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b/windows/security/threat-protection/auditing/TOC.yml deleted file mode 100644 index 4f122c5d8e..0000000000 --- a/windows/security/threat-protection/auditing/TOC.yml +++ /dev/null @@ -1,767 +0,0 @@ - - name: Security auditing - href: security-auditing-overview.md - items: - - name: Basic security audit policies - href: basic-security-audit-policies.md - items: - - name: Create a basic audit policy for an event category - href: create-a-basic-audit-policy-settings-for-an-event-category.md - - name: Apply a basic audit policy on a file or folder - href: apply-a-basic-audit-policy-on-a-file-or-folder.md - - name: View the security event log - href: view-the-security-event-log.md - - name: Basic security audit policy settings - href: basic-security-audit-policy-settings.md - items: - - name: Audit account logon events - href: basic-audit-account-logon-events.md - - name: Audit account management - href: basic-audit-account-management.md - - name: Audit directory service access - href: basic-audit-directory-service-access.md - - name: Audit logon events - href: basic-audit-logon-events.md - - name: Audit object access - href: basic-audit-object-access.md - - name: Audit policy change - href: basic-audit-policy-change.md - - name: Audit privilege use - href: basic-audit-privilege-use.md - - name: Audit process tracking - href: basic-audit-process-tracking.md - - name: Audit system events - href: basic-audit-system-events.md - - name: Advanced security audit policies - href: advanced-security-auditing.md - items: - - name: Planning and deploying advanced security audit policies - href: planning-and-deploying-advanced-security-audit-policies.md - - name: Advanced security auditing FAQ - href: advanced-security-auditing-faq.yml - items: - - name: Which editions of Windows support advanced audit policy configuration - href: which-editions-of-windows-support-advanced-audit-policy-configuration.md - - name: How to list XML elements in \ - href: how-to-list-xml-elements-in-eventdata.md - - name: Using advanced security auditing options to monitor dynamic access control objects - href: using-advanced-security-auditing-options-to-monitor-dynamic-access-control-objects.md - items: - - name: Monitor the central access policies that apply on a file server - href: monitor-the-central-access-policies-that-apply-on-a-file-server.md - - name: Monitor the use of removable storage devices - href: monitor-the-use-of-removable-storage-devices.md - - name: Monitor resource attribute definitions - href: monitor-resource-attribute-definitions.md - - name: Monitor central access policy and rule definitions - href: monitor-central-access-policy-and-rule-definitions.md - - name: Monitor user and device claims during sign-in - href: monitor-user-and-device-claims-during-sign-in.md - - name: Monitor the resource attributes on files and folders - href: monitor-the-resource-attributes-on-files-and-folders.md - - name: Monitor the central access policies associated with files and folders - href: monitor-the-central-access-policies-associated-with-files-and-folders.md - - name: Monitor claim types - href: monitor-claim-types.md - - name: Advanced security audit policy settings - href: advanced-security-audit-policy-settings.md - items: - - name: Audit Credential Validation - href: audit-credential-validation.md - - name: "Event 4774 S, F: An account was mapped for logon." - href: event-4774.md - - name: "Event 4775 F: An account could not be mapped for logon." - href: event-4775.md - - name: "Event 4776 S, F: The computer attempted to validate the credentials for an account." - href: event-4776.md - - name: "Event 4777 F: The domain controller failed to validate the credentials for an account." - href: event-4777.md - - name: Audit Kerberos Authentication Service - href: audit-kerberos-authentication-service.md - items: - - name: "Event 4768 S, F: A Kerberos authentication ticket, TGT, was requested." - href: event-4768.md - - name: "Event 4771 F: Kerberos pre-authentication failed." - href: event-4771.md - - name: "Event 4772 F: A Kerberos authentication ticket request failed." - href: event-4772.md - - name: Audit Kerberos Service Ticket Operations - href: audit-kerberos-service-ticket-operations.md - items: - - name: "Event 4769 S, F: A Kerberos service ticket was requested." - href: event-4769.md - - name: "Event 4770 S: A Kerberos service ticket was renewed." - href: event-4770.md - - name: "Event 4773 F: A Kerberos service ticket request failed." - href: event-4773.md - - name: Audit Other Account Logon Events - href: audit-other-account-logon-events.md - - name: Audit Application Group Management - href: audit-application-group-management.md - - name: Audit Computer Account Management - href: audit-computer-account-management.md - items: - - name: "Event 4741 S: A computer account was created." - href: event-4741.md - - name: "Event 4742 S: A computer account was changed." - href: event-4742.md - - name: "Event 4743 S: A computer account was deleted." - href: event-4743.md - - name: Audit Distribution Group Management - href: audit-distribution-group-management.md - items: - - name: "Event 4749 S: A security-disabled global group was created." - href: event-4749.md - - name: "Event 4750 S: A security-disabled global group was changed." - href: event-4750.md - - name: "Event 4751 S: A member was added to a security-disabled global group." - href: event-4751.md - - name: "Event 4752 S: A member was removed from a security-disabled global group." - href: event-4752.md - - name: "Event 4753 S: A security-disabled global group was deleted." - href: event-4753.md - - name: Audit Other Account Management Events - href: audit-other-account-management-events.md - items: - - name: "Event 4782 S: The password hash of an account was accessed." - href: event-4782.md - - name: "Event 4793 S: The Password Policy Checking API was called." - href: event-4793.md - - name: Audit Security Group Management - href: audit-security-group-management.md - items: - - name: "Event 4731 S: A security-enabled local group was created." - href: event-4731.md - - name: "Event 4732 S: A member was added to a security-enabled local group." - href: event-4732.md - - name: "Event 4733 S: A member was removed from a security-enabled local group." - href: event-4733.md - - name: "Event 4734 S: A security-enabled local group was deleted." - href: event-4734.md - - name: "Event 4735 S: A security-enabled local group was changed." - href: event-4735.md - - name: "Event 4764 S: A group�s type was changed." - href: event-4764.md - - name: "Event 4799 S: A security-enabled local group membership was enumerated." - href: event-4799.md - - name: Audit User Account Management - href: audit-user-account-management.md - items: - - name: "Event 4720 S: A user account was created." - href: event-4720.md - - name: "Event 4722 S: A user account was enabled." - href: event-4722.md - - name: "Event 4723 S, F: An attempt was made to change an account's password." - href: event-4723.md - - name: "Event 4724 S, F: An attempt was made to reset an account's password." - href: event-4724.md - - name: "Event 4725 S: A user account was disabled." - href: event-4725.md - - name: "Event 4726 S: A user account was deleted." - href: event-4726.md - - name: "Event 4738 S: A user account was changed." - href: event-4738.md - - name: "Event 4740 S: A user account was locked out." - href: event-4740.md - - name: "Event 4765 S: SID History was added to an account." - href: event-4765.md - - name: "Event 4766 F: An attempt to add SID History to an account failed." - href: event-4766.md - - name: "Event 4767 S: A user account was unlocked." - href: event-4767.md - - name: "Event 4780 S: The ACL was set on accounts that are members of administrators groups." - href: event-4780.md - - name: "Event 4781 S: The name of an account was changed." - href: event-4781.md - - name: "Event 4794 S, F: An attempt was made to set the Directory Services Restore Mode administrator password." - href: event-4794.md - - name: "Event 4798 S: A user's local group membership was enumerated." - href: event-4798.md - - name: "Event 5376 S: Credential Manager credentials were backed up." - href: event-5376.md - - name: "Event 5377 S: Credential Manager credentials were restored from a backup." - href: event-5377.md - - name: Audit DPAPI Activity - href: audit-dpapi-activity.md - items: - - name: "Event 4692 S, F: Backup of data protection master key was attempted." - href: event-4692.md - - name: "Event 4693 S, F: Recovery of data protection master key was attempted." - href: event-4693.md - - name: "Event 4694 S, F: Protection of auditable protected data was attempted." - href: event-4694.md - - name: "Event 4695 S, F: Unprotection of auditable protected data was attempted." - href: event-4695.md - - name: Audit PNP Activity - href: audit-pnp-activity.md - items: - - name: "Event 6416 S: A new external device was recognized by the System." - href: event-6416.md - - name: "Event 6419 S: A request was made to disable a device." - href: event-6419.md - - name: "Event 6420 S: A device was disabled." - href: event-6420.md - - name: "Event 6421 S: A request was made to enable a device." - href: event-6421.md - - name: "Event 6422 S: A device was enabled." - href: event-6422.md - - name: "Event 6423 S: The installation of this device is forbidden by system policy." - href: event-6423.md - - name: "Event 6424 S: The installation of this device was allowed, after having previously been forbidden by policy." - href: event-6424.md - - name: Audit Process Creation - href: audit-process-creation.md - items: - - name: "Event 4688 S: A new process has been created." - href: event-4688.md - - name: "Event 4696 S: A primary token was assigned to process." - href: event-4696.md - - name: Audit Process Termination - href: audit-process-termination.md - items: - - name: "Event 4689 S: A process has exited." - href: event-4689.md - - name: Audit RPC Events - href: audit-rpc-events.md - items: - - name: "Event 5712 S: A Remote Procedure Call, RPC, was attempted." - href: event-5712.md - - name: Audit Token Right Adjusted - href: audit-token-right-adjusted.md - items: - - name: "Event 4703 S: A user right was adjusted." - href: event-4703.md - - name: Audit Detailed Directory Service Replication - href: audit-detailed-directory-service-replication.md - items: - - name: "Event 4928 S, F: An Active Directory replica source naming context was established." - href: event-4928.md - - name: "Event 4929 S, F: An Active Directory replica source naming context was removed." - href: event-4929.md - - name: "Event 4930 S, F: An Active Directory replica source naming context was modified." - href: event-4930.md - - name: "Event 4931 S, F: An Active Directory replica destination naming context was modified." - href: event-4931.md - - name: "Event 4934 S: Attributes of an Active Directory object were replicated." - href: event-4934.md - - name: "Event 4935 F: Replication failure begins." - href: event-4935.md - - name: "Event 4936 S: Replication failure ends." - href: event-4936.md - - name: "Event 4937 S: A lingering object was removed from a replica." - href: event-4937.md - - name: Audit Directory Service Access - href: audit-directory-service-access.md - items: - - name: "Event 4662 S, F: An operation was performed on an object." - href: event-4662.md - - name: "Event 4661 S, F: A handle to an object was requested." - href: event-4661.md - - name: Audit Directory Service Changes - href: audit-directory-service-changes.md - items: - - name: "Event 5136 S: A directory service object was modified." - href: event-5136.md - - name: "Event 5137 S: A directory service object was created." - href: event-5137.md - - name: "Event 5138 S: A directory service object was undeleted." - href: event-5138.md - - name: "Event 5139 S: A directory service object was moved." - href: event-5139.md - - name: "Event 5141 S: A directory service object was deleted." - href: event-5141.md - - name: Audit Directory Service Replication - href: audit-directory-service-replication.md - items: - - name: "Event 4932 S: Synchronization of a replica of an Active Directory naming context has begun." - href: event-4932.md - - name: "Event 4933 S, F: Synchronization of a replica of an Active Directory naming context has ended." - href: event-4933.md - - name: Audit Account Lockout - href: audit-account-lockout.md - items: - - name: "Event 4625 F: An account failed to log on." - href: event-4625.md - - name: Audit User/Device Claims - href: audit-user-device-claims.md - items: - - name: "Event 4626 S: User/Device claims information." - href: event-4626.md - - name: Audit Group Membership - href: audit-group-membership.md - items: - - name: "Event 4627 S: Group membership information." - href: event-4627.md - - name: Audit IPsec Extended Mode - href: audit-ipsec-extended-mode.md - - name: Audit IPsec Main Mode - href: audit-ipsec-main-mode.md - - name: Audit IPsec Quick Mode - href: audit-ipsec-quick-mode.md - - name: Audit Logoff - href: audit-logoff.md - items: - - name: "Event 4634 S: An account was logged off." - href: event-4634.md - - name: "Event 4647 S: User initiated logoff." - href: event-4647.md - - name: Audit Logon - href: audit-logon.md - items: - - name: "Event 4624 S: An account was successfully logged on." - href: event-4624.md - - name: "Event 4625 F: An account failed to log on." - href: event-4625.md - - name: "Event 4648 S: A logon was attempted using explicit credentials." - href: event-4648.md - - name: "Event 4675 S: SIDs were filtered." - href: event-4675.md - - name: Audit Network Policy Server - href: audit-network-policy-server.md - - name: Audit Other Logon/Logoff Events - href: audit-other-logonlogoff-events.md - items: - - name: "Event 4649 S: A replay attack was detected." - href: event-4649.md - - name: "Event 4778 S: A session was reconnected to a Window Station." - href: event-4778.md - - name: "Event 4779 S: A session was disconnected from a Window Station." - href: event-4779.md - - name: "Event 4800 S: The workstation was locked." - href: event-4800.md - - name: "Event 4801 S: The workstation was unlocked." - href: event-4801.md - - name: "Event 4802 S: The screen saver was invoked." - href: event-4802.md - - name: "Event 4803 S: The screen saver was dismissed." - href: event-4803.md - - name: "Event 5378 F: The requested credentials delegation was disallowed by policy." - href: event-5378.md - - name: "Event 5632 S, F: A request was made to authenticate to a wireless network." - href: event-5632.md - - name: "Event 5633 S, F: A request was made to authenticate to a wired network." - href: event-5633.md - - name: Audit Special Logon - href: audit-special-logon.md - items: - - name: "Event 4964 S: Special groups have been assigned to a new logon." - href: event-4964.md - - name: "Event 4672 S: Special privileges assigned to new logon." - href: event-4672.md - - name: Audit Application Generated - href: audit-application-generated.md - - name: Audit Certification Services - href: audit-certification-services.md - - name: Audit Detailed File Share - href: audit-detailed-file-share.md - items: - - name: "Event 5145 S, F: A network share object was checked to see whether client can be granted desired access." - href: event-5145.md - - name: Audit File Share - href: audit-file-share.md - items: - - name: "Event 5140 S, F: A network share object was accessed." - href: event-5140.md - - name: "Event 5142 S: A network share object was added." - href: event-5142.md - - name: "Event 5143 S: A network share object was modified." - href: event-5143.md - - name: "Event 5144 S: A network share object was deleted." - href: event-5144.md - - name: "Event 5168 F: SPN check for SMB/SMB2 failed." - href: event-5168.md - - name: Audit File System - href: audit-file-system.md - items: - - name: "Event 4656 S, F: A handle to an object was requested." - href: event-4656.md - - name: "Event 4658 S: The handle to an object was closed." - href: event-4658.md - - name: "Event 4660 S: An object was deleted." - href: event-4660.md - - name: "Event 4663 S: An attempt was made to access an object." - href: event-4663.md - - name: "Event 4664 S: An attempt was made to create a hard link." - href: event-4664.md - - name: "Event 4985 S: The state of a transaction has changed." - href: event-4985.md - - name: "Event 5051: A file was virtualized." - href: event-5051.md - - name: "Event 4670 S: Permissions on an object were changed." - href: event-4670.md - - name: Audit Filtering Platform Connection - href: audit-filtering-platform-connection.md - items: - - name: "Event 5031 F: The Windows Firewall Service blocked an application from accepting incoming connections on the network." - href: event-5031.md - - name: "Event 5150: The Windows Filtering Platform blocked a packet." - href: event-5150.md - - name: "Event 5151: A more restrictive Windows Filtering Platform filter has blocked a packet." - href: event-5151.md - - name: "Event 5154 S: The Windows Filtering Platform has permitted an application or service to listen on a port for incoming connections." - href: event-5154.md - - name: "Event 5155 F: The Windows Filtering Platform has blocked an application or service from listening on a port for incoming connections." - href: event-5155.md - - name: "Event 5156 S: The Windows Filtering Platform has permitted a connection." - href: event-5156.md - - name: "Event 5157 F: The Windows Filtering Platform has blocked a connection." - href: event-5157.md - - name: "Event 5158 S: The Windows Filtering Platform has permitted a bind to a local port." - href: event-5158.md - - name: "Event 5159 F: The Windows Filtering Platform has blocked a bind to a local port." - href: event-5159.md - - name: Audit Filtering Platform Packet Drop - href: audit-filtering-platform-packet-drop.md - items: - - name: "Event 5152 F: The Windows Filtering Platform blocked a packet." - href: event-5152.md - - name: "Event 5153 S: A more restrictive Windows Filtering Platform filter has blocked a packet." - href: event-5153.md - - name: Audit Handle Manipulation - href: audit-handle-manipulation.md - items: - - name: "Event 4690 S: An attempt was made to duplicate a handle to an object." - href: event-4690.md - - name: Audit Kernel Object - href: audit-kernel-object.md - items: - - name: "Event 4656 S, F: A handle to an object was requested." - href: event-4656.md - - name: "Event 4658 S: The handle to an object was closed." - href: event-4658.md - - name: "Event 4660 S: An object was deleted." - href: event-4660.md - - name: "Event 4663 S: An attempt was made to access an object." - href: event-4663.md - - name: Audit Other Object Access Events - href: audit-other-object-access-events.md - items: - - name: "Event 4671: An application attempted to access a blocked ordinal through the TBS." - href: event-4671.md - - name: "Event 4691 S: Indirect access to an object was requested." - href: event-4691.md - - name: "Event 5148 F: The Windows Filtering Platform has detected a DoS attack and entered a defensive mode; packets associated with this attack will be discarded." - href: event-5148.md - - name: "Event 5149 F: The DoS attack has subsided and normal processing is being resumed." - href: event-5149.md - - name: "Event 4698 S: A scheduled task was created." - href: event-4698.md - - name: "Event 4699 S: A scheduled task was deleted." - href: event-4699.md - - name: "Event 4700 S: A scheduled task was enabled." - href: event-4700.md - - name: "Event 4701 S: A scheduled task was disabled." - href: event-4701.md - - name: "Event 4702 S: A scheduled task was updated." - href: event-4702.md - - name: "Event 5888 S: An object in the COM+ Catalog was modified." - href: event-5888.md - - name: "Event 5889 S: An object was deleted from the COM+ Catalog." - href: event-5889.md - - name: "Event 5890 S: An object was added to the COM+ Catalog." - href: event-5890.md - - name: Audit Registry - href: audit-registry.md - items: - - name: "Event 4663 S: An attempt was made to access an object." - href: event-4663.md - - name: "Event 4656 S, F: A handle to an object was requested." - href: event-4656.md - - name: "Event 4658 S: The handle to an object was closed." - href: event-4658.md - - name: "Event 4660 S: An object was deleted." - href: event-4660.md - - name: "Event 4657 S: A registry value was modified." - href: event-4657.md - - name: "Event 5039: A registry key was virtualized." - href: event-5039.md - - name: "Event 4670 S: Permissions on an object were changed." - href: event-4670.md - - name: Audit Removable Storage - href: audit-removable-storage.md - - name: Audit SAM - href: audit-sam.md - items: - - name: "Event 4661 S, F: A handle to an object was requested." - href: event-4661.md - - name: Audit Central Access Policy Staging - href: audit-central-access-policy-staging.md - items: - - name: "Event 4818 S: Proposed Central Access Policy does not grant the same access permissions as the current Central Access Policy." - href: event-4818.md - - name: Audit Audit Policy Change - href: audit-audit-policy-change.md - items: - - name: "Event 4670 S: Permissions on an object were changed." - href: event-4670.md - - name: "Event 4715 S: The audit policy, SACL, on an object was changed." - href: event-4715.md - - name: "Event 4719 S: System audit policy was changed." - href: event-4719.md - - name: "Event 4817 S: Auditing settings on object were changed." - href: event-4817.md - - name: "Event 4902 S: The Per-user audit policy table was created." - href: event-4902.md - - name: "Event 4906 S: The CrashOnAuditFail value has changed." - href: event-4906.md - - name: "Event 4907 S: Auditing settings on object were changed." - href: event-4907.md - - name: "Event 4908 S: Special Groups Logon table modified." - href: event-4908.md - - name: "Event 4912 S: Per User Audit Policy was changed." - href: event-4912.md - - name: "Event 4904 S: An attempt was made to register a security event source." - href: event-4904.md - - name: "Event 4905 S: An attempt was made to unregister a security event source." - href: event-4905.md - - name: Audit Authentication Policy Change - href: audit-authentication-policy-change.md - items: - - name: "Event 4706 S: A new trust was created to a domain." - href: event-4706.md - - name: "Event 4707 S: A trust to a domain was removed." - href: event-4707.md - - name: "Event 4716 S: Trusted domain information was modified." - href: event-4716.md - - name: "Event 4713 S: Kerberos policy was changed." - href: event-4713.md - - name: "Event 4717 S: System security access was granted to an account." - href: event-4717.md - - name: "Event 4718 S: System security access was removed from an account." - href: event-4718.md - - name: "Event 4739 S: Domain Policy was changed." - href: event-4739.md - - name: "Event 4864 S: A namespace collision was detected." - href: event-4864.md - - name: "Event 4865 S: A trusted forest information entry was added." - href: event-4865.md - - name: "Event 4866 S: A trusted forest information entry was removed." - href: event-4866.md - - name: "Event 4867 S: A trusted forest information entry was modified." - href: event-4867.md - - name: Audit Authorization Policy Change - href: audit-authorization-policy-change.md - items: - - name: "Event 4703 S: A user right was adjusted." - href: event-4703.md - - name: "Event 4704 S: A user right was assigned." - href: event-4704.md - - name: "Event 4705 S: A user right was removed." - href: event-4705.md - - name: "Event 4670 S: Permissions on an object were changed." - href: event-4670.md - - name: "Event 4911 S: Resource attributes of the object were changed." - href: event-4911.md - - name: "Event 4913 S: Central Access Policy on the object was changed." - href: event-4913.md - - name: Audit Filtering Platform Policy Change - href: audit-filtering-platform-policy-change.md - - name: Audit MPSSVC Rule-Level Policy Change - href: audit-mpssvc-rule-level-policy-change.md - items: - - name: "Event 4944 S: The following policy was active when the Windows Firewall started." - href: event-4944.md - - name: "Event 4945 S: A rule was listed when the Windows Firewall started." - href: event-4945.md - - name: "Event 4946 S: A change has been made to Windows Firewall exception list. A rule was added." - href: event-4946.md - - name: "Event 4947 S: A change has been made to Windows Firewall exception list. A rule was modified." - href: event-4947.md - - name: "Event 4948 S: A change has been made to Windows Firewall exception list. A rule was deleted." - href: event-4948.md - - name: "Event 4949 S: Windows Firewall settings were restored to the default values." - href: event-4949.md - - name: "Event 4950 S: A Windows Firewall setting has changed." - href: event-4950.md - - name: "Event 4951 F: A rule has been ignored because its major version number was not recognized by Windows Firewall." - href: event-4951.md - - name: "Event 4952 F: Parts of a rule have been ignored because its minor version number was not recognized by Windows Firewall. The other parts of the rule will be enforced." - href: event-4952.md - - name: "Event 4953 F: Windows Firewall ignored a rule because it could not be parsed." - href: event-4953.md - - name: "Event 4954 S: Windows Firewall Group Policy settings have changed. The new settings have been applied." - href: event-4954.md - - name: "Event 4956 S: Windows Firewall has changed the active profile." - href: event-4956.md - - name: "Event 4957 F: Windows Firewall did not apply the following rule." - href: event-4957.md - - name: "Event 4958 F: Windows Firewall did not apply the following rule because the rule referred to items not configured on this computer." - href: event-4958.md - - name: Audit Other Policy Change Events - href: audit-other-policy-change-events.md - items: - - name: "Event 4714 S: Encrypted data recovery policy was changed." - href: event-4714.md - - name: "Event 4819 S: Central Access Policies on the machine have been changed." - href: event-4819.md - - name: "Event 4826 S: Boot Configuration Data loaded." - href: event-4826.md - - name: "Event 4909: The local policy settings for the TBS were changed." - href: event-4909.md - - name: "Event 4910: The group policy settings for the TBS were changed." - href: event-4910.md - - name: "Event 5063 S, F: A cryptographic provider operation was attempted." - href: event-5063.md - - name: "Event 5064 S, F: A cryptographic context operation was attempted." - href: event-5064.md - - name: "Event 5065 S, F: A cryptographic context modification was attempted." - href: event-5065.md - - name: "Event 5066 S, F: A cryptographic function operation was attempted." - href: event-5066.md - - name: "Event 5067 S, F: A cryptographic function modification was attempted." - href: event-5067.md - - name: "Event 5068 S, F: A cryptographic function provider operation was attempted." - href: event-5068.md - - name: "Event 5069 S, F: A cryptographic function property operation was attempted." - href: event-5069.md - - name: "Event 5070 S, F: A cryptographic function property modification was attempted." - href: event-5070.md - - name: "Event 5447 S: A Windows Filtering Platform filter has been changed." - href: event-5447.md - - name: "Event 6144 S: Security policy in the group policy objects has been applied successfully." - href: event-6144.md - - name: "Event 6145 F: One or more errors occurred while processing security policy in the group policy objects." - href: event-6145.md - - name: Audit Sensitive Privilege Use - href: audit-sensitive-privilege-use.md - items: - - name: "Event 4673 S, F: A privileged service was called." - href: event-4673.md - - name: "Event 4674 S, F: An operation was attempted on a privileged object." - href: event-4674.md - - name: "Event 4985 S: The state of a transaction has changed." - href: event-4985.md - - name: Audit Non Sensitive Privilege Use - href: audit-non-sensitive-privilege-use.md - items: - - name: "Event 4673 S, F: A privileged service was called." - href: event-4673.md - - name: "Event 4674 S, F: An operation was attempted on a privileged object." - href: event-4674.md - - name: "Event 4985 S: The state of a transaction has changed." - href: event-4985.md - - name: Audit Other Privilege Use Events - href: audit-other-privilege-use-events.md - items: - - name: "Event 4985 S: The state of a transaction has changed." - href: event-4985.md - - name: Audit IPsec Driver - href: audit-ipsec-driver.md - - name: Audit Other System Events - href: audit-other-system-events.md - items: - - name: "Event 5024 S: The Windows Firewall Service has started successfully." - href: event-5024.md - - name: "Event 5025 S: The Windows Firewall Service has been stopped." - href: event-5025.md - - name: "Event 5027 F: The Windows Firewall Service was unable to retrieve the security policy from the local storage. The service will continue enforcing the current policy." - href: event-5027.md - - name: "Event 5028 F: The Windows Firewall Service was unable to parse the new security policy. The service will continue with currently enforced policy." - href: event-5028.md - - name: "Event 5029 F: The Windows Firewall Service failed to initialize the driver. The service will continue to enforce the current policy." - href: event-5029.md - - name: "Event 5030 F: The Windows Firewall Service failed to start." - href: event-5030.md - - name: "Event 5032 F: Windows Firewall was unable to notify the user that it blocked an application from accepting incoming connections on the network." - href: event-5032.md - - name: "Event 5033 S: The Windows Firewall Driver has started successfully." - href: event-5033.md - - name: "Event 5034 S: The Windows Firewall Driver was stopped." - href: event-5034.md - - name: "Event 5035 F: The Windows Firewall Driver failed to start." - href: event-5035.md - - name: "Event 5037 F: The Windows Firewall Driver detected critical runtime error. Terminating." - href: event-5037.md - - name: "Event 5058 S, F: Key file operation." - href: event-5058.md - - name: "Event 5059 S, F: Key migration operation." - href: event-5059.md - - name: "Event 6400: BranchCache: Received an incorrectly formatted response while discovering availability of content." - href: event-6400.md - - name: "Event 6401: BranchCache: Received invalid data from a peer. Data discarded." - href: event-6401.md - - name: "Event 6402: BranchCache: The message to the hosted cache offering it data is incorrectly formatted." - href: event-6402.md - - name: "Event 6403: BranchCache: The hosted cache sent an incorrectly formatted response to the client." - href: event-6403.md - - name: "Event 6404: BranchCache: Hosted cache could not be authenticated using the provisioned SSL certificate." - href: event-6404.md - - name: "Event 6405: BranchCache: %2 instances of event id %1 occurred." - href: event-6405.md - - name: "Event 6406: %1 registered to Windows Firewall to control filtering for the following: %2." - href: event-6406.md - - name: "Event 6407: 1%." - href: event-6407.md - - name: "Event 6408: Registered product %1 failed and Windows Firewall is now controlling the filtering for %2." - href: event-6408.md - - name: "Event 6409: BranchCache: A service connection point object could not be parsed." - href: event-6409.md - - name: Audit Security State Change - href: audit-security-state-change.md - items: - - name: "Event 4608 S: Windows is starting up." - href: event-4608.md - - name: "Event 4616 S: The system time was changed." - href: event-4616.md - - name: "Event 4621 S: Administrator recovered system from CrashOnAuditFail." - href: event-4621.md - - name: Audit Security System Extension - href: audit-security-system-extension.md - items: - - name: "Event 4610 S: An authentication package has been loaded by the Local Security Authority." - href: event-4610.md - - name: "Event 4611 S: A trusted logon process has been registered with the Local Security Authority." - href: event-4611.md - - name: "Event 4614 S: A notification package has been loaded by the Security Account Manager." - href: event-4614.md - - name: "Event 4622 S: A security package has been loaded by the Local Security Authority." - href: event-4622.md - - name: "Event 4697 S: A service was installed in the system." - href: event-4697.md - - name: Audit System Integrity - href: audit-system-integrity.md - items: - - name: "Event 4612 S: Internal resources allocated for the queuing of audit messages have been exhausted, leading to the loss of some audits." - href: event-4612.md - - name: "Event 4615 S: Invalid use of LPC port." - href: event-4615.md - - name: "Event 4618 S: A monitored security event pattern has occurred." - href: event-4618.md - - name: "Event 4816 S: RPC detected an integrity violation while decrypting an incoming message." - href: event-4816.md - - name: "Event 5038 F: Code integrity determined that the image hash of a file is not valid." - href: event-5038.md - - name: "Event 5056 S: A cryptographic self-test was performed." - href: event-5056.md - - name: "Event 5062 S: A kernel-mode cryptographic self-test was performed." - href: event-5062.md - - name: "Event 5057 F: A cryptographic primitive operation failed." - href: event-5057.md - - name: "Event 5060 F: Verification operation failed." - href: event-5060.md - - name: "Event 5061 S, F: Cryptographic operation." - href: event-5061.md - - name: "Event 6281 F: Code Integrity determined that the page hashes of an image file are not valid." - href: event-6281.md - - name: "Event 6410 F: Code integrity determined that a file does not meet the security requirements to load into a process." - href: event-6410.md - - name: Other Events - href: other-events.md - items: - - name: "Event 1100 S: The event logging service has shut down." - href: event-1100.md - - name: "Event 1102 S: The audit log was cleared." - href: event-1102.md - - name: "Event 1104 S: The security log is now full." - href: event-1104.md - - name: "Event 1105 S: Event log automatic backup." - href: event-1105.md - - name: "Event 1108 S: The event logging service encountered an error while processing an incoming event published from %1." - href: event-1108.md - - name: "Appendix A: Security monitoring recommendations for many audit events" - href: appendix-a-security-monitoring-recommendations-for-many-audit-events.md - - name: Registry (Global Object Access Auditing) - href: registry-global-object-access-auditing.md - - name: File System (Global Object Access Auditing) - href: file-system-global-object-access-auditing.md - - name: Windows security - href: /windows/security/ \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/advanced-security-audit-policy-settings.md b/windows/security/threat-protection/auditing/advanced-security-audit-policy-settings.md deleted file mode 100644 index 4c63211e0c..0000000000 --- a/windows/security/threat-protection/auditing/advanced-security-audit-policy-settings.md +++ /dev/null @@ -1,174 +0,0 @@ ---- -title: Advanced security audit policy settings -description: This reference for IT professionals provides information about the advanced audit policy settings that are available in Windows and the audit events that they generate. -ms.assetid: 93b28b92-796f-4036-a53b-8b9e80f9f171 -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Advanced security audit policy settings (Windows 10) - -This reference for IT professionals provides information about: -- The advanced audit policy settings available in Windows -- The audit events that these settings generate. - -The security audit policy settings under **Security Settings\\Advanced Audit Policy Configuration** can help your organization audit compliance with important business-related and security-related rules by tracking precisely defined activities, such as: - -- A group administrator has modified settings or data on servers that contain finance information. -- An employee within a defined group has accessed an important file. -- The correct system access control list (SACL) - as a verifiable safeguard against undetected access - is applied to either of the following: - - every file and folder - - registry key on a computer - - file share. - -You can access these audit policy settings through the Local Security Policy snap-in (secpol.msc) on the local computer or by using Group Policy. - -These advanced audit policy settings allow you to select only the behaviors that you want to monitor. You can exclude audit results for the following types of behaviors: -- That are of little or no concern to you -- That create an excessive number of log entries. - -In addition, because security audit policies can be applied by using domain Group Policy Objects, audit policy settings can be modified, tested, and deployed to selected users and groups with relative simplicity. -Audit policy settings under **Security Settings\\Advanced Audit Policy Configuration** are available in the following categories: - -## Account Logon - -Configuring policy settings in this category can help you document attempts to authenticate account data on a domain controller or on a local Security Accounts Manager (SAM). Unlike Logon and Logoff policy settings and events, Account Logon settings and events focus on the account database that is used. This category includes the following subcategories: - -- [Audit Credential Validation](audit-credential-validation.md) -- [Audit Kerberos Authentication Service](audit-kerberos-authentication-service.md) -- [Audit Kerberos Service Ticket Operations](audit-kerberos-service-ticket-operations.md) -- [Audit Other Account Logon Events](audit-other-account-logon-events.md) - -## Account Management - -The security audit policy settings in this category can be used to monitor changes to user and computer accounts and groups. This category includes the following subcategories: - -- [Audit Application Group Management](audit-application-group-management.md) -- [Audit Computer Account Management](audit-computer-account-management.md) -- [Audit Distribution Group Management](audit-distribution-group-management.md) -- [Audit Other Account Management Events](audit-other-account-management-events.md) -- [Audit Security Group Management](audit-security-group-management.md) -- [Audit User Account Management](audit-user-account-management.md) - -## Detailed Tracking - -Detailed Tracking security policy settings and audit events can be used for the following purposes: -- To monitor the activities of individual applications and users on that computer -- To understand how a computer is being used. - -This category includes the following subcategories: - -- [Audit DPAPI Activity](audit-dpapi-activity.md) -- [Audit PNP activity](audit-pnp-activity.md) -- [Audit Process Creation](audit-process-creation.md) -- [Audit Process Termination](audit-process-termination.md) -- [Audit RPC Events](audit-rpc-events.md) -- [Audit Token Right Adjusted](audit-token-right-adjusted.md) - -## DS Access - -DS Access security audit policy settings provide a detailed audit trail of attempts to access and modify objects in Active Directory Domain Services (AD DS). These audit events are logged only on domain controllers. This category includes the following subcategories: - -- [Audit Detailed Directory Service Replication](audit-detailed-directory-service-replication.md) -- [Audit Directory Service Access](audit-directory-service-access.md) -- [Audit Directory Service Changes](audit-directory-service-changes.md) -- [Audit Directory Service Replication](audit-directory-service-replication.md) - -## Logon/Logoff - -Logon/Logoff security policy settings and audit events allow you to track attempts to log on to a computer interactively or over a network. These events are particularly useful for tracking user activity and identifying potential attacks on network resources. This category includes the following subcategories: - -- [Audit Account Lockout](audit-account-lockout.md) -- [Audit User/Device Claims](audit-user-device-claims.md) -- [Audit IPsec Extended Mode](audit-ipsec-extended-mode.md) -- [Audit Group Membership](audit-group-membership.md) -- [Audit IPsec Main Mode](audit-ipsec-main-mode.md) -- [Audit IPsec Quick Mode](audit-ipsec-quick-mode.md) -- [Audit Logoff](audit-logoff.md) -- [Audit Logon](audit-logon.md) -- [Audit Network Policy Server](audit-network-policy-server.md) -- [Audit Other Logon/Logoff Events](audit-other-logonlogoff-events.md) -- [Audit Special Logon](audit-special-logon.md) - -## Object Access - -Object Access policy settings and audit events allow you to track attempts to access specific objects or types of objects on a network or computer. To audit attempts to access a file, directory, registry key, or any other object, enable the appropriate Object Access auditing subcategory for success and/or failure events. For example, the file system subcategory needs to be enabled to audit file operations; the Registry subcategory needs to be enabled to audit registry accesses. - -Proving that these audit policies are in effect to an external auditor is more difficult. There is no easy way to verify that the proper SACLs are set on all inherited objects. To address this issue, see [Global Object Access Auditing](#global-object-access-auditing). - -This category includes the following subcategories: - -- [Audit Application Generated](audit-application-generated.md) -- [Audit Certification Services](audit-certification-services.md) -- [Audit Detailed File Share](audit-detailed-file-share.md) -- [Audit File Share](audit-file-share.md) -- [Audit File System](audit-file-system.md) -- [Audit Filtering Platform Connection](audit-filtering-platform-connection.md) -- [Audit Filtering Platform Packet Drop](audit-filtering-platform-packet-drop.md) -- [Audit Handle Manipulation](audit-handle-manipulation.md) -- [Audit Kernel Object](audit-kernel-object.md) -- [Audit Other Object Access Events](audit-other-object-access-events.md) -- [Audit Registry](audit-registry.md) -- [Audit Removable Storage](audit-removable-storage.md) -- [Audit SAM](audit-sam.md) -- [Audit Central Access Policy Staging](audit-central-access-policy-staging.md) - -## Policy Change - -Policy Change audit events allow you to track changes to important security policies on a local system or network. Because policies are typically established by administrators to help secure network resources, tracking changes (or its attempts) to these policies is an important aspect of security management for a network. This category includes the following subcategories: - -- [Audit Audit Policy Change](audit-audit-policy-change.md) -- [Audit Authentication Policy Change](audit-authentication-policy-change.md) -- [Audit Authorization Policy Change](audit-authorization-policy-change.md) -- [Audit Filtering Platform Policy Change](audit-filtering-platform-policy-change.md) -- [Audit MPSSVC Rule-Level Policy Change](audit-mpssvc-rule-level-policy-change.md) -- [Audit Other Policy Change Events](audit-other-policy-change-events.md) - -## Privilege Use - -Permissions on a network are granted for users or computers to complete defined tasks. Privilege Use security policy settings and audit events allow you to track the use of certain permissions on one or more systems. This category includes the following subcategories: - -- [Audit Non-Sensitive Privilege Use](audit-non-sensitive-privilege-use.md) -- [Audit Sensitive Privilege Use](audit-sensitive-privilege-use.md) -- [Audit Other Privilege Use Events](audit-other-privilege-use-events.md) - -## System - -System security policy settings and audit events allow you to track the following types of system-level changes to a computer: -- Not included in other categories -- Have potential security implications. - -This category includes the following subcategories: - -- [Audit IPsec Driver](audit-ipsec-driver.md) -- [Audit Other System Events](audit-other-system-events.md) -- [Audit Security State Change](audit-security-state-change.md) -- [Audit Security System Extension](audit-security-system-extension.md) -- [Audit System Integrity](audit-system-integrity.md) - -## Global Object Access Auditing - -Global Object Access Auditing policy settings allow administrators to define computer system access control lists (SACLs) per object type for the file system or for the registry. The specified SACL is then automatically applied to every object of that type. -Auditors can prove that every resource in the system is protected by an audit policy. They can do this task by viewing the contents of the Global Object Access Auditing policy settings. For example, if auditors see a policy setting called "Track all changes made by group administrators," they know that this policy is in effect. - -Resource SACLs are also useful for diagnostic scenarios. For example, administrators quickly identify which object in a system is denying a user access by: -- Setting the Global Object Access Auditing policy to log all the activities for a specific user -- Enabling the policy to track "Access denied" events for the file system or registry can help - -> [!NOTE] -> If a file or folder SACL and a Global Object Access Auditing policy setting (or a single registry setting SACL and a Global Object Access Auditing policy setting) are configured on a computer, the effective SACL is derived from combining the file or folder SACL and the Global Object Access Auditing policy. This means that an audit event is generated if an activity matches the file or folder SACL or the Global Object Access Auditing policy. - -This category includes the following subcategories: -- [File System (Global Object Access Auditing)](file-system-global-object-access-auditing.md) -- [Registry (Global Object Access Auditing)](registry-global-object-access-auditing.md) - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) diff --git a/windows/security/threat-protection/auditing/advanced-security-auditing-faq.yml b/windows/security/threat-protection/auditing/advanced-security-auditing-faq.yml deleted file mode 100644 index 768de067a0..0000000000 --- a/windows/security/threat-protection/auditing/advanced-security-auditing-faq.yml +++ /dev/null @@ -1,175 +0,0 @@ -### YamlMime:FAQ -metadata: - title: Advanced security auditing FAQ - description: This article lists common questions and answers about understanding, deploying, and managing security audit policies. - author: vinaypamnani-msft - ms.author: vinpa - manager: aaroncz - ms.topic: faq - ms.date: 05/24/2022 - -title: Advanced security auditing FAQ - -summary: This article for the IT professional lists questions and answers about understanding, deploying, and managing security audit policies. - -sections: - - name: Ignored - questions: - - question: | - What is Windows security auditing and why might I want to use it? - answer: | - Security auditing is a methodical examination and review of activities that may affect the security of a system. In the Windows operating systems, security auditing is the features and services for an administrator to log and review events for specified security-related activities. - - Hundreds of events occur as the Windows operating system and the applications that run on it perform their tasks. Monitoring these events can provide valuable information to help administrators troubleshoot and investigate security-related activities. - - - question: | - What is the difference between audit policies located in Local Policies\\Audit Policy and audit policies located in Advanced Audit Policy Configuration? - answer: | - The basic security audit policy settings in **Security Settings\\Local Policies\\Audit Policy** and the advanced security audit policy settings in **Security Settings\\Advanced Audit Policy Configuration\\System Audit Policies** appear to overlap, but they're recorded and applied differently. When you apply basic audit policy settings to the local computer by using the Local Security Policy snap-in (secpol.msc), you're editing the effective audit policy. Changes made to basic audit policy settings will appear exactly as configured in Auditpol.exe. - - There are several other differences between the security audit policy settings in these two locations. - - There are nine basic audit policy settings under **Security Settings\\Local Policies\\Audit Policy** and settings under **Advanced Audit Policy Configuration**. The settings available in **Security Settings\\Advanced Audit Policy - Configuration** address similar issues as the nine basic settings in **Local Policies\\Audit Policy**, but they allow administrators to be more selective in the number and types of events to audit. For example, the basic audit policy provides a single setting for account sign-in, and the advanced audit policy provides four. Enabling the single basic setting would be the equivalent of setting all four advanced settings. In comparison, setting a single advanced audit policy setting doesn't generate audit events for activities that you aren't interested in tracking. - - In addition, if you enable success auditing for the basic **Audit account logon events** setting, only success events will be logged for all account sign-in activities. In comparison, depending on the needs of your organization, you can configure success auditing for one advanced account logon setting, failure auditing for a second advanced account logon setting, success and failure auditing for a third advanced account logon setting, or no auditing. - - The nine basic settings under **Security Settings\\Local Policies\\Audit Policy** and the advanced audit policy settings are available in all supported versions of Windows. - - - question: | - What is the interaction between basic audit policy settings and advanced audit policy settings? - answer: | - Basic audit policy settings aren't compatible with advanced audit policy settings that are applied by using group policy. When advanced audit policy settings are applied by using group policy, the current computer's audit policy settings are cleared before the resulting advanced audit policy settings are applied. After you apply advanced audit policy settings by using group policy, you can only reliably set system audit policy for the computer by using the advanced audit policy settings. - - Editing and applying the advanced audit policy settings in Local Security Policy modifies the local group policy object (GPO). If there are policies from other domain GPOs or logon scripts, changes made here may not be exactly reflected in Auditpol.exe. Both types of policies can be edited and applied by using domain GPOs, and these settings will override any conflicting local audit policy settings. Because the basic audit policy is recorded in the effective audit policy, that audit policy must be explicitly removed when a change is desired, or it will remain in the effective audit policy. Policy changes that are applied by using local or domain group policy settings are reflected as soon as the new policy is applied. - - > [!Important] - > Whether you apply advanced audit policies by using group policy or by using logon scripts, don't use both the basic audit policy settings under **Local Policies\\Audit Policy** and the advanced settings under **Security Settings\\Advanced Audit Policy Configuration**. Using both advanced and basic audit policy settings can cause unexpected results in audit reporting. - - If you use Advanced Audit Policy Configuration settings or use logon scripts to apply advanced audit policies, be sure to enable the **Audit: Force audit policy subcategory settings to override audit policy category settings** policy setting under **Local Policies\\Security Options**. This setting prevents conflicts between similar settings by forcing basic security auditing to be ignored. - - - question: | - How are audit settings merged by group policy? - answer: | - By default, policy options that are set in GPOs and linked to higher levels of Active Directory sites, domains, and OUs are inherited by all OUs at lower levels. However, an inherited policy can be overridden by a GPO that is linked at a lower level. - - For example, you might use a domain GPO to assign an organization-wide group of audit settings, but want a certain OU to get a defined group of extra settings. To accomplish this customization, you can link a second GPO to that specific lower-level OU. Therefore, a logon audit setting that is applied at the OU level will override a conflicting logon audit setting that is applied at the domain level. The only exception is if you take special steps to apply group policy loopback processing. - - The rules that govern how group policy settings are applied propagate to the subcategory level of audit policy settings. This coverage means that audit policy settings configured in different GPOs will be merged if no policy settings configured at a lower level exist. The following table illustrates this behavior. - - - | Auditing subcategory | Setting configured in an OU GPO (higher priority) | Setting configured in a domain GPO (lower priority) | Resulting policy for the target computer | - | - | - | - | -| - | Detailed File Share Auditing | Success | Failure | Success | - | Process Creation Auditing | Disabled | Success | Disabled | - | Logon Auditing | Failure | Success | Failure | - - - question: | - What is the difference between an object DACL and an object SACL? - answer: | - All objects in Active Directory Domain Services (AD DS), and all securable objects on a local computer or on the network, have security descriptors to help control access to the objects. Security descriptors include information about who owns an object, who can access it and in what way, and what types of access are audited. Security descriptors contain the access control list (ACL) of an object, which includes all of the security permissions that apply to that object. An object's security descriptor can contain two types of ACLs: - - - A discretionary access control list (DACL) that identifies the users and groups who are allowed or denied access - - A system access control list (SACL) that controls how access is audited - - The access control model that is used in Windows is administered at the object level by setting different levels of access, or permissions, to objects. If permissions are configured for an object, its security descriptor contains a DACL with security identifiers (SIDs) for the users and groups that are allowed or denied access. - - If auditing is configured for the object, its security descriptor also contains a SACL that controls how the security subsystem audits attempts to access the object. However, auditing isn't configured entirely unless a SACL has been configured for an object and a corresponding **Object Access** audit policy setting has been configured and applied. - - - question: | - Why are audit policies applied on a per-computer basis rather than per user? - answer: | - In security auditing in Windows, the computer, objects on the computer, and related resources are the primary recipients of actions by clients including applications, other computers, and users. In a security breach, malicious users can use alternate credentials to hide their identity, or malicious applications can impersonate legitimate users to perform undesired tasks. Therefore, the most consistent way to apply an audit policy is to focus on the computer and the objects and resources on that computer. - - Audit policy capabilities can vary between computers running different versions of Windows. The best way to make sure that the audit policy is applied correctly is to base these settings on the computer instead of the user. - - However, when you want audit settings to apply only to specified groups of users, you can accomplish this customization by configuring SACLs on the relevant objects to enable auditing for a security group that contains only the users you specify. For example, you can configure a SACL for a folder called Payroll Data on Accounting Server 1. This configuration results in an audit of attempts by members of the Payroll Processors OU to delete objects from this folder. The **Object Access\\Audit File System** audit policy setting applies to Accounting Server 1. Because it requires a corresponding resource SACL, only actions by members of the Payroll Processors OU on the Payroll Data folder generates audit events. - - - question: | - Are there any differences in auditing functionality between versions of Windows? - answer: | - No. Basic and advanced audit policy settings are available in all supported versions of Windows. They can be configured and applied by local or domain group policy settings. - - - question: | - What is the difference between success and failure events? Is something wrong if I get a failure audit? - answer: | - A success audit event is triggered when a defined action, such as accessing a file share, is completed successfully. - - A failure audit event is triggered when a defined action, such as a user sign-in, isn't completed successfully. - - The appearance of failure audit events in the event log doesn't necessarily mean that something is wrong with your system. For example, if you configure Audit Logon events, a failure event may mean that a user mistyped the password. - - - question: | - How can I set an audit policy that affects all objects on a computer? - answer: | - System administrators and auditors increasingly want to verify that an auditing policy is applied to all objects on a system. This requirement has been difficult to accomplish because the system access control lists (SACLs) that govern auditing are applied on a per-object basis. Thus, to verify that an audit policy has been applied to all objects, you would have to check every object to be sure that no changes have been made—even temporarily to a single SACL. - - Security auditing allows administrators to define global object access auditing policies for the entire file system or for the registry on a computer. The specified SACL is then automatically applied to every object of that type. This application of SACL can be useful for verifying that all critical files, folders, and registry settings on a computer are protected. It's also useful to identify when an issue with a system resource occurs. If a file or folder SACL and a global object access auditing policy are configured on a computer, the effective SACL is derived from combining the file or folder SACL and the global object access auditing policy. This behavior also applies to a single registry setting SACL and a global object access auditing policy. This resultant SACL from the combination means that an audit event is generated if an activity matches either the file or folder SACL or the global object access auditing policy. - - - question: | - How do I figure out why someone was able to access a resource? - answer: | - Often it isn't enough to know simply that an object such as a file or folder was accessed. You may also want to know why the user was able to access this resource. You can obtain this forensic data by configuring the **Audit Handle Manipulation** setting with the **Audit File System** or with the **Audit Registry** audit setting. - - - question: | - How do I know when changes are made to access control settings, by whom, and what the changes were? - answer: | - To track access control changes, you need to enable the following settings, which track changes to DACLs: - - **Audit File System** subcategory: Enable for success, failure, or success and failure - - **Audit Authorization Policy Change** setting: Enable for success, failure, or success and failure - - A SACL with **Write** and **Take ownership** permissions: Apply to the object that you want to monitor - - - question: | - How can I roll back security audit policies from the advanced audit policy to the basic audit policy? - answer: | - Applying advanced audit policy settings replaces any comparable basic security audit policy settings. If you later change the advanced audit policy setting to **Not configured**, you need to complete the following steps to restore the original basic security audit policy settings: - - 1. Set all Advanced Audit Policy subcategories to **Not configured**. - 2. Delete all audit.csv files from the `%SYSVOL%` folder on the domain controller. - 3. Reconfigure and apply the basic audit policy settings. - - Unless you complete all of these steps, the basic audit policy settings won't be restored. - - - question: | - How can I monitor if changes are made to audit policy settings? - answer: | - Changes to security audit policies are critical security events. You can use the **Audit Audit Policy Change** setting to determine if the operating system generates audit events when the following types of activities take place: - - - Permissions and audit settings on the audit policy object are changed - - The system audit policy is changed - - Security event sources are registered or unregistered - - Per-user audit settings are changed - - The value of **CrashOnAuditFail** is modified - - Audit settings on a file or registry key are changed - - A Special Groups list is changed - - - question: | - How can I minimize the number of events that are generated? - answer: | - Finding the right balance between auditing enough network and computer activity and auditing too little network and computer activity can be challenging. You can achieve this balance by identifying the most important resources, critical activities, and users or groups of users. Then design a security audit policy that targets these resources, activities, and users. Useful guidelines and recommendations for developing an effective security auditing strategy can be found in [Planning and deploying advanced security audit policies](planning-and-deploying-advanced-security-audit-policies.md). - - - question: | - What are the best tools to model and manage audit policies? - answer: | - The integration of advanced audit policy settings with domain is designed to simplify the management and implementation of security audit policies in an organization's network. As such, tools used to plan and deploy group policy objects for a domain can also be used to plan and deploy security audit policies. - On an individual computer, the `Auditpol` command-line tool can be used to complete many important audit policy-related management tasks. - - There are also other computer management products, such as the Audit Collection Services in System Center Operations Manager, which can be used to collect and filter event data. For more information, see [How to install an Audit Collection Services (ACS) collector and database](/system-center/scom/deploy-install-acs). - - - question: | - Where can I find information about all the possible events that I might receive? - answer: | - Users who examine the security event log for the first time can be a bit overwhelmed. The number of audit events that are stored there can quickly number in the thousands. The structured information that's included for each audit event can also be confusing. For more information about these events, and the settings used to generate them, see the following resources: - - - [Windows security audit events](https://www.microsoft.com/download/details.aspx?id=50034) - - [Windows 10 and Windows Server 2016 security auditing and monitoring reference](https://www.microsoft.com/download/details.aspx?id=52630) - - [Advanced security audit policy settings](advanced-security-audit-policy-settings.md) - - - question: | - Where can I find more detailed information? - answer: | - To learn more about security audit policies, see the following resources: - - - [Planning and deploying advanced security audit policies](planning-and-deploying-advanced-security-audit-policies.md) - - [Windows 8 and Windows Server 2012 security event details](https://www.microsoft.com/download/details.aspx?id=35753) - - [Security audit events for Windows 7 and Windows Server 2008 R2](https://www.microsoft.com/download/details.aspx?id=21561) diff --git a/windows/security/threat-protection/auditing/advanced-security-auditing.md b/windows/security/threat-protection/auditing/advanced-security-auditing.md deleted file mode 100644 index 84c93ea504..0000000000 --- a/windows/security/threat-protection/auditing/advanced-security-auditing.md +++ /dev/null @@ -1,30 +0,0 @@ ---- -title: Advanced security audit policies -description: Advanced security audit policy settings might appear to overlap with basic policies, but they're recorded and applied differently. Learn more about them here. -ms.assetid: 6FE8AC10-F48E-4BBF-979B-43A5DFDC5DFC -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/6/2021 ---- - -# Advanced security audit policies - -Advanced security audit policy settings are found in **Security Settings\\Advanced Audit Policy Configuration\\System Audit Policies** and appear to overlap with basic security audit policies, but they're recorded and applied differently. -When you apply basic audit policy settings to the local computer by using the Local Security Policy snap-in, you're editing the effective audit policy, so changes made to basic audit policy settings appear exactly as configured in Auditpol.exe. In Windows 7 and later, advanced security audit policies can be controlled by using Group Policy. - -## In this section - -| Article | Description | -| - | - | -| [Planning and deploying advanced security audit policies](planning-and-deploying-advanced-security-audit-policies.md) | This article for IT professionals explains the options that security policy planners must consider, and the tasks that they must complete, to deploy an effective security audit policy in a network that includes advanced security audit policies | -| [Advanced security auditing FAQ](advanced-security-auditing-faq.yml) | This article for the IT professional lists questions and answers about understanding, deploying, and managing security audit policies. -| [Using advanced security auditing options to monitor dynamic access control objects](using-advanced-security-auditing-options-to-monitor-dynamic-access-control-objects.md) | This guide explains the process of setting up advanced security auditing capabilities that are made possible through settings and events that were introduced in Windows 8 and Windows Server 2012. -| [Advanced security audit policy settings](advanced-security-audit-policy-settings.md) | This reference for IT professionals provides information about the advanced audit policy settings in Windows and the audit events that they generate. diff --git a/windows/security/threat-protection/auditing/appendix-a-security-monitoring-recommendations-for-many-audit-events.md b/windows/security/threat-protection/auditing/appendix-a-security-monitoring-recommendations-for-many-audit-events.md deleted file mode 100644 index 2ddc4a8249..0000000000 --- a/windows/security/threat-protection/auditing/appendix-a-security-monitoring-recommendations-for-many-audit-events.md +++ /dev/null @@ -1,30 +0,0 @@ ---- -title: Appendix A, Security monitoring recommendations for many audit events -description: Learn about recommendations for the type of monitoring required for certain classes of security audit events. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# Appendix A: Security monitoring recommendations for many audit events - - -This document, the [Advanced security audit policy settings](advanced-security-audit-policy-settings.md) reference, provides information about individual audit events, and lists them within audit categories and subcategories. However, there are many events for which the following overall recommendations apply. There are links throughout this document from the “Recommendations” sections of the relevant events to this appendix. - -| **Type of monitoring required** | **Recommendation** | -|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| **High-value accounts**: You might have high-value domain or local accounts for which you need to monitor each action.
Examples of high-value accounts are database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts and so on. | Monitor relevant events for the **“Subject\\Security ID”** that corresponds to the high-value account or accounts. | -| **Anomalies or malicious actions**: You might have specific requirements for detecting anomalies or monitoring potential malicious actions. For example, you might need to monitor for use of an account outside of working hours. | When you monitor for anomalies or malicious actions, use the **“Subject\\Security ID”** (with other information) to monitor how or when a particular account is being used. | -| **Non-active accounts**: You might have non-active, disabled, or guest accounts, or other accounts that should never be used. | Monitor relevant events for the **“Subject\\Security ID”** that corresponds to the accounts that should never be used. | -| **Account allowlist**: You might have a specific allowlist of accounts that are the only ones allowed to perform actions corresponding to particular events. | Monitor the relevant events for **“Subject\\Security ID”** accounts that are outside the allowlist of accounts. | -| **Accounts of different types**: You might want to ensure that certain actions are performed only by certain account types, for example, local or domain account, machine or user account, vendor or employee account, and so on. | Identify events that correspond to the actions you want to monitor, and for those events, review the **“Subject\\Security ID”** to see whether the account type is as expected. | -| **External accounts**: You might be monitoring accounts from another domain, or “external” accounts that are not allowed to perform certain actions (represented by certain specific events). | Monitor the specific events for the **“Subject\\Account Domain”** corresponding to accounts from another domain or “external” accounts. | -| **Restricted-use computers or devices**: You might have certain computers, machines, or devices on which certain people (accounts) should not typically perform any actions. | Monitor the target **Computer:** (or other target device) for actions performed by the **“Subject\\Security ID”** that you are concerned about. | -| **Account naming conventions**: Your organization might have specific naming conventions for account names. | Monitor “**Subject\\Account Name”** for names that don’t comply with naming conventions. | diff --git a/windows/security/threat-protection/auditing/apply-a-basic-audit-policy-on-a-file-or-folder.md b/windows/security/threat-protection/auditing/apply-a-basic-audit-policy-on-a-file-or-folder.md deleted file mode 100644 index 5e7b8bfd19..0000000000 --- a/windows/security/threat-protection/auditing/apply-a-basic-audit-policy-on-a-file-or-folder.md +++ /dev/null @@ -1,71 +0,0 @@ ---- -title: Apply a basic audit policy on a file or folder -description: Apply audit policies to individual files and folders on your computer by setting the permission type to record access attempts in the security log. -ms.assetid: 565E7249-5CD0-4B2E-B2C0-B3A0793A51E2 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.collection: - - highpri - - tier3 -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Apply a basic audit policy on a file or folder - -You can apply audit policies to individual files and folders on your computer by setting the permission type to record successful access attempts or failed access attempts in the security log. - -To complete this procedure, you must be signed in as a member of the built-in Administrators group or have **Manage auditing and security log** rights. - -**To apply or modify auditing policy settings for a local file or folder** - -1. Select and hold (or right-click) the file or folder that you want to audit, select **Properties**, and then select the **Security** tab. -2. Select **Advanced**. -3. In the **Advanced Security Settings** dialog box, select the **Auditing** tab, and then select **Continue**. -4. Do one of the following tasks: - - To set up auditing for a new user or group, select **Add**. Select **Select a principal**, type the name of the user or group that you want, and then select **OK**. - - To remove auditing for an existing group or user, select the group or user name, select **Remove**, select **OK**, and then skip the rest of this procedure. - - To view or change auditing for an existing group or user, select its name, and then select **Edit.** -5. In the **Type** box, indicate what actions you want to audit by selecting the appropriate check boxes: - - To audit successful events, select **Success.** - - To audit failure events, select **Fail.** - - To audit all events, select **All.** - - - -6. In the **Applies to** box, select the object(s) to which the audit of events will apply. These objects include: - - - **This folder only** - - **This folder, subfolders and files** - - **This folder and subfolders** - - **This folder and files** - - **Subfolders and files only** - - **Subfolders only** - - **Files only** - -7. By default, the selected **Basic Permissions** to audit are the following: - - **Read and execute** - - **List folder contents** - - **Read** - - Additionally, with your selected audit combination, you can select any combination of the following permissions: - - **Full control** - - **Modify** - - **Write** - -> [!IMPORTANT] -> Before you set up auditing for files and folders, you must enable [object access auditing](basic-audit-object-access.md). To do this, define auditing policy settings for the object access event category. If you don't enable object access auditing, you'll receive an error message when you set up auditing for files and folders, and no files or folders will be audited. -  -## More considerations - -- After you turn on object access auditing, view the security log in Event Viewer to review the results of your changes. -- You can set up file and folder auditing only on NTFS drives. -- Because the security log is limited in size, carefully select the files and folders to be audited. Also, consider the amount of disk space that you want to devote to the security log. The maximum size for the security log is defined in Event Viewer. -  -  diff --git a/windows/security/threat-protection/auditing/audit-account-lockout.md b/windows/security/threat-protection/auditing/audit-account-lockout.md deleted file mode 100644 index e4bbde6028..0000000000 --- a/windows/security/threat-protection/auditing/audit-account-lockout.md +++ /dev/null @@ -1,38 +0,0 @@ ---- -title: Audit Account Lockout -description: The policy setting, Audit Account Lockout, enables you to audit security events generated by a failed attempt to log on to an account that is locked out. -ms.assetid: da68624b-a174-482c-9bc5-ddddab38e589 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Account Lockout - -Audit Account Lockout enables you to audit security events that are generated by a failed attempt to log on to an account that is locked out. - -If you configure this policy setting, an audit event is generated when an account cannot log on to a computer because the account is locked out. - -Account lockout events are essential for understanding user activity and detecting potential attacks. - -**Event volume**: Low. - -This subcategory failure logon attempts, when account was already locked out. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | Yes | No | Yes | We recommend tracking account lockouts, especially for high value domain or for local accounts (database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts, and so on).
This subcategory doesn’t have Success events, so there is no recommendation to enable Success auditing for this subcategory. | -| Member Server | No | Yes | No | Yes | We recommend tracking account lockouts, especially for high value domain or for local accounts (database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts, and so on).
This subcategory doesn’t have Success events, so there is no recommendation to enable Success auditing for this subcategory. | -| Workstation | No | Yes | No | Yes | We recommend tracking account lockouts, especially for high value domain or for local accounts (database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts, and so on).
This subcategory doesn’t have Success events, so there is no recommendation to enable Success auditing for this subcategory. | - -**Events List:** - -- [4625](event-4625.md)(F): An account failed to log on. - diff --git a/windows/security/threat-protection/auditing/audit-application-generated.md b/windows/security/threat-protection/auditing/audit-application-generated.md deleted file mode 100644 index 3c22b0237f..0000000000 --- a/windows/security/threat-protection/auditing/audit-application-generated.md +++ /dev/null @@ -1,37 +0,0 @@ ---- -title: Audit Application Generated -description: The policy setting, Audit Application Generated, determines if audit events are generated when applications attempt to use the Windows Auditing APIs. -ms.assetid: 6c58a365-b25b-42b8-98ab-819002e31871 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Application Generated - -Audit Application Generated generates events for actions related to Authorization Manager [applications](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc770563(v=ws.11)). - -Audit Application Generated subcategory is out of scope of this document, because [Authorization Manager](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc726036(v=ws.11)) is very rarely in use and it is deprecated starting from Windows Server 2012. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------| -| Domain Controller | IF | IF | IF | IF | IF – if you use [Authorization Manager](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc726036(v=ws.11)) in your environment and you need to monitor events related to Authorization Manager [applications](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc770563(v=ws.11)), enable this subcategory. | -| Member Server | IF | IF | IF | IF | IF – if you use [Authorization Manager](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc726036(v=ws.11)) in your environment and you need to monitor events related to Authorization Manager [applications](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc770563(v=ws.11)), enable this subcategory. | -| Workstation | IF | IF | IF | IF | IF – if you use [Authorization Manager](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc726036(v=ws.11)) in your environment and you need to monitor events related to Authorization Manager [applications](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc770563(v=ws.11)), enable this subcategory. | - -**Events List:** - -- 4665: An attempt was made to create an application client context. - -- 4666: An application attempted an operation. - -- 4667: An application client context was deleted. - -- 4668: An application was initialized. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-application-group-management.md b/windows/security/threat-protection/auditing/audit-application-group-management.md deleted file mode 100644 index fd489adaac..0000000000 --- a/windows/security/threat-protection/auditing/audit-application-group-management.md +++ /dev/null @@ -1,49 +0,0 @@ ---- -title: Audit Application Group Management -description: The policy setting, Audit Application Group Management, determines if audit events are generated when application group management tasks are performed. -ms.assetid: 1bcaa41e-5027-4a86-96b7-f04eaf1c0606 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Application Group Management - -Audit Application Group Management generates events for actions related to [application groups](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc771579(v=ws.11)), such as group creation, modification, addition or removal of group member and some other actions. - -[Application groups](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc771579(v=ws.11)) are used by [Authorization Manager](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc726036(v=ws.11)). - -Audit Application Group Management subcategory is out of scope of this document, because [Authorization Manager](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc726036(v=ws.11)) is very rarely in use and it is deprecated starting from Windows Server 2012. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------| -| Domain Controller | - | - | - | - | This subcategory is outside the scope of this document. | -| Member Server | - | - | - | - | This subcategory is outside the scope of this document. | -| Workstation | - | - | - | - | This subcategory is outside the scope of this document. | - -- 4783(S): A basic application group was created. - -- 4784(S): A basic application group was changed. - -- 4785(S): A member was added to a basic application group. - -- 4786(S): A member was removed from a basic application group. - -- 4787(S): A non-member was added to a basic application group. - -- 4788(S): A non-member was removed from a basic application group. - -- 4789(S): A basic application group was deleted. - -- 4790(S): An LDAP query group was created. - -- 4791(S): An LDAP query group was changed. - -- 4792(S): An LDAP query group was deleted. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-audit-policy-change.md b/windows/security/threat-protection/auditing/audit-audit-policy-change.md deleted file mode 100644 index d1291e568e..0000000000 --- a/windows/security/threat-protection/auditing/audit-audit-policy-change.md +++ /dev/null @@ -1,80 +0,0 @@ ---- -title: Audit Audit Policy Change -description: The Advanced Security Audit policy setting, Audit Audit Policy Change, determines if audit events are generated when changes are made to audit policy. -ms.assetid: 7153bf75-6978-4d7e-a821-59a699efb8a9 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Audit Policy Change - - -Audit Audit Policy Change determines whether the operating system generates audit events when changes are made to audit policy. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | Almost all events in this subcategory have security relevance and should be monitored.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | Yes | No | Yes | No | Almost all events in this subcategory have security relevance and should be monitored.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | Yes | No | Yes | No | Almost all events in this subcategory have security relevance and should be monitored.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -Changes to audit policy that are audited include: - -- Changing permissions and audit settings on the audit policy object (by using “auditpol /set /sd” command). - -- Changing the system audit policy. - -- Registering and unregistering security event sources. - -- Changing per-user audit settings. - -- Changing the value of CrashOnAuditFail. - -- Changing audit settings on an object (for example, modifying the system access control list ([SACL](/windows/win32/secauthz/access-control-lists)) for a file or registry key). - -> **Note**  [SACL](/windows/win32/secauthz/access-control-lists) change auditing is performed when a SACL for an object has changed and the Policy Change category is configured. Discretionary access control list (DACL) and owner change auditing are performed when Object Access auditing is configured and the object's SACL is set for auditing of the DACL or owner change. - -- Changing anything in the Special Groups list. - -The following events will be enabled with Success auditing in this subcategory: - -- [4902](event-4902.md)(S): The Per-user audit policy table was created. - -- [4907](event-4907.md)(S): Auditing settings on object were changed. - -- [4904](event-4904.md)(S): An attempt was made to register a security event source. - -- [4905](event-4905.md)(S): An attempt was made to unregister a security event source. - -All other events in this subcategory will be logged regardless of the "Audit Policy Change" setting. - -**Events List:** - -- [4715](event-4715.md)(S): The audit policy (SACL) on an object was changed. - -- [4719](event-4719.md)(S): System audit policy was changed. - -- [4817](event-4817.md)(S): Auditing settings on object were changed. - -- [4902](event-4902.md)(S): The Per-user audit policy table was created. - -- [4906](event-4906.md)(S): The CrashOnAuditFail value has changed. - -- [4907](event-4907.md)(S): Auditing settings on object were changed. - -- [4908](event-4908.md)(S): Special Groups Logon table modified. - -- [4912](event-4912.md)(S): Per User Audit Policy was changed. - -- [4904](event-4904.md)(S): An attempt was made to register a security event source. - -- [4905](event-4905.md)(S): An attempt was made to unregister a security event source. diff --git a/windows/security/threat-protection/auditing/audit-authentication-policy-change.md b/windows/security/threat-protection/auditing/audit-authentication-policy-change.md deleted file mode 100644 index 7ab38720e0..0000000000 --- a/windows/security/threat-protection/auditing/audit-authentication-policy-change.md +++ /dev/null @@ -1,76 +0,0 @@ ---- -title: Audit Authentication Policy Change -description: The Advanced Security Audit policy setting, Audit Authentication Policy Change, determines if audit events are generated when authentication policy is changed. -ms.assetid: aa9cea7a-aadf-47b7-b704-ac253b8e79be -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Authentication Policy Change - -Audit Authentication Policy Change determines whether the operating system generates audit events when changes are made to authentication policy. - -Changes made to authentication policy include: - -- Creation, modification, and removal of forest and domain trusts. - -- Changes to Kerberos policy under Computer Configuration\\Windows Settings\\Security Settings\\Account Policies\\Kerberos Policy. - -- When any of the following user logon rights is granted to a user or group: - - - Access this computer from the network - - - Allow logon locally - - - Allow logon through Remote Desktop - - - Logon as a batch job - - - Logon as a service - -- Namespace collision, such as when an added trust collides with an existing namespace name. - -This setting is useful for tracking changes in domain-level and forest-level trust and privileges that are granted to user accounts or groups. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | On domain controllers, it is important to enable Success audit for this subcategory to be able to get information related to operations with domain and forest trusts, changes in Kerberos policy and some other events included in this subcategory.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | Yes | No | Yes | No | On member servers it is important to enable Success audit for this subcategory to be able to get information related to changes in user logon rights policies and password policy changes.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | Yes | No | Yes | No | On workstations it is important to enable Success audit for this subcategory to be able to get information related to changes in user logon rights policies and password policy changes.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4670](event-4670.md)(S): Permissions on an object were changed - -- [4706](event-4706.md)(S): A new trust was created to a domain. - -- [4707](event-4707.md)(S): A trust to a domain was removed. - -- [4716](event-4716.md)(S): Trusted domain information was modified. - -- [4713](event-4713.md)(S): Kerberos policy was changed. - -- [4717](event-4717.md)(S): System security access was granted to an account. - -- [4718](event-4718.md)(S): System security access was removed from an account. - -- [4739](event-4739.md)(S): Domain Policy was changed. - -- [4864](event-4864.md)(S): A namespace collision was detected. - -- [4865](event-4865.md)(S): A trusted forest information entry was added. - -- [4866](event-4866.md)(S): A trusted forest information entry was removed. - -- [4867](event-4867.md)(S): A trusted forest information entry was modified. - diff --git a/windows/security/threat-protection/auditing/audit-authorization-policy-change.md b/windows/security/threat-protection/auditing/audit-authorization-policy-change.md deleted file mode 100644 index 5ad0e5fff3..0000000000 --- a/windows/security/threat-protection/auditing/audit-authorization-policy-change.md +++ /dev/null @@ -1,42 +0,0 @@ ---- -title: Audit Authorization Policy Change -description: The policy setting, Audit Authorization Policy Change, determines if audit events are generated when specific changes are made to the authorization policy. -ms.assetid: ca0587a2-a2b3-4300-aa5d-48b4553c3b36 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Authorization Policy Change - -Audit Authorization Policy Change allows you to audit assignment and removal of user rights in user right policies, changes in security token object permission, resource attributes changes and Central Access Policy changes for file system objects. - -**Event volume**: Medium to High. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | No | IF | No | IF – With Success auditing for this subcategory, you can get information related to changes in user rights policies, or changes of resource attributes or Central Access Policy applied to file system objects.
However, if you are using an application or system service that makes changes to system privileges through the AdjustPrivilegesToken API, we do not recommend Success auditing because of the high volume of event “[4703](event-4703.md)(S): A user right was adjusted” that may be generated. As of Windows 10, event 4703 is generated by applications or services that dynamically adjust token privileges. An example of such an application is Microsoft Configuration Manager, which makes WMI queries at recurring intervals and quickly generates a large number of 4703 events (with the WMI activity listed as coming from **svchost.exe**).
If one of your applications or services is generating a large number of 4703 events, you might find that your event-management software has filtering logic that can automatically discard the recurring events, which would make it easier to work with Success auditing for this category.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | IF | No | IF | No | IF – With Success auditing for this subcategory, you can get information related to changes in user rights policies, or changes of resource attributes or Central Access Policy applied to file system objects.
However, if you are using an application or system service that makes changes to system privileges through the AdjustPrivilegesToken API, we do not recommend Success auditing because of the high volume of event “[4703](event-4703.md)(S): A user right was adjusted” that may be generated. As of Windows 10, event 4703 is generated by applications or services that dynamically adjust token privileges. An example of such an application is Microsoft Configuration Manager, which makes WMI queries at recurring intervals and quickly generates a large number of 4703 events (with the WMI activity listed as coming from **svchost.exe**).
If one of your applications or services is generating a large number of 4703 events, you might find that your event-management software has filtering logic that can automatically discard the recurring events, which would make it easier to work with Success auditing for this category.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | IF | No | IF | No | IF – With Success auditing for this subcategory, you can get information related to changes in user rights policies, or changes of resource attributes or Central Access Policy applied to file system objects.
However, if you are using an application or system service that makes changes to system privileges through the AdjustPrivilegesToken API, we do not recommend Success auditing because of the high volume of event “[4703](event-4703.md)(S): A user right was adjusted” that may be generated. As of Windows 10, event 4703 is generated by applications or services that dynamically adjust token privileges. An example of such an application is Microsoft Configuration Manager, which makes WMI queries at recurring intervals and quickly generates a large number of 4703 events (with the WMI activity listed as coming from **svchost.exe**).
If one of your applications or services is generating a large number of 4703 events, you might find that your event-management software has filtering logic that can automatically discard the recurring events, which would make it easier to work with Success auditing for this category.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4703](event-4703.md)(S): A user right was adjusted. - -- [4704](event-4704.md)(S): A user right was assigned. - -- [4705](event-4705.md)(S): A user right was removed. - -- [4670](event-4670.md)(S): Permissions on an object were changed. - -- [4911](event-4911.md)(S): Resource attributes of the object were changed. - -- [4913](event-4913.md)(S): Central Access Policy on the object was changed. - diff --git a/windows/security/threat-protection/auditing/audit-central-access-policy-staging.md b/windows/security/threat-protection/auditing/audit-central-access-policy-staging.md deleted file mode 100644 index dbadfb80dd..0000000000 --- a/windows/security/threat-protection/auditing/audit-central-access-policy-staging.md +++ /dev/null @@ -1,39 +0,0 @@ ---- -title: Audit Central Access Policy Staging -description: The Advanced Security Audit policy setting, Audit Central Access Policy Staging, determines permissions on a Central Access Policy. -ms.assetid: D9BB11CE-949A-4B48-82BF-30DC5E6FC67D -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Central Access Policy Staging - -Audit Central Access Policy Staging allows you to audit access requests where a permission granted or denied by a proposed policy differs from the current central access policy on an object. - -If you configure this policy setting, an audit event is generated each time a user accesses an object and the permission granted by the current central access policy on the object differs from that granted by the proposed policy. The resulting audit event is generated as follows: - -- Success audits, when configured, record access attempts when the current central access policy grants access, but the proposed policy denies access. - -- Failure audits, when configured, record access attempts when: - - - The current central access policy does not grant access, but the proposed policy grants access. - - - A principal requests the maximum access rights they are allowed and the access rights granted by the current central access policy are different than the access rights granted by the proposed policy. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | No | IF | No | IF - Enable this subcategory if you need to test or troubleshoot Dynamic Access Control Proposed [Central Access Policies](/windows-server/identity/solution-guides/scenario--central-access-policy).
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | IF | No | IF | No | IF - Enable this subcategory if you need to test or troubleshoot Dynamic Access Control Proposed [Central Access Policies](/windows-server/identity/solution-guides/scenario--central-access-policy).
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | IF | No | IF | No | IF - Enable this subcategory if you need to test or troubleshoot Dynamic Access Control Proposed [Central Access Policies](/windows-server/identity/solution-guides/scenario--central-access-policy).
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4818](event-4818.md)(S): Proposed Central Access Policy does not grant the same access permissions as the current Central Access Policy. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-certification-services.md b/windows/security/threat-protection/auditing/audit-certification-services.md deleted file mode 100644 index 1818d6abea..0000000000 --- a/windows/security/threat-protection/auditing/audit-certification-services.md +++ /dev/null @@ -1,117 +0,0 @@ ---- -title: Audit Certification Services -description: The policy setting, Audit Certification Services, decides if events are generated when Active Directory Certificate Services (ADA CS) operations are performed. -ms.assetid: cdefc34e-fb1f-4eff-b766-17713c5a1b03 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Certification Services - -Audit Certification Services determines whether the operating system generates events when Active Directory Certificate Services (AD CS) operations are performed. - -Examples of AD CS operations include: - -- AD CS starts, shuts down, is backed up, or is restored. - -- Certificate revocation list (CRL)-related tasks are performed. - -- Certificates are requested, issued, or revoked. - -- Certificate manager settings for AD CS are changed. - -- The configuration and properties of the certification authority (CA) are changed. - -- AD CS templates are modified. - -- Certificates are imported. - -- A CA certificate is published to Active Directory Domain Services. - -- Security permissions for AD CS role services are modified. - -- Keys are archived, imported, or retrieved. - -- The OCSP Responder Service is started or stopped. - -Monitoring these operational events is important to ensure that AD CS role services are functioning properly. - -**Event volume: Low to medium on servers that provide AD CS role services.** - -Role-specific subcategories are outside the scope of this document. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | IF | IF | IF | IF – if a server has the [Active Directory Certificate Services](/windows/deployment/deploy-whats-new) (AD CS) role installed and you need to monitor AD CS related events, enable this subcategory. | -| Member Server | IF | IF | IF | IF | IF – if a server has the [Active Directory Certificate Services](/windows/deployment/deploy-whats-new) (AD CS) role installed and you need to monitor AD CS related events, enable this subcategory. | -| Workstation | No | No | No | No | [Active Directory Certificate Services](/windows/deployment/deploy-whats-new) (AD CS) role cannot be installed on client OS. | - -- 4868: The certificate manager denied a pending certificate request. - -- 4869: Certificate Services received a resubmitted certificate request. - -- 4870: Certificate Services revoked a certificate. - -- 4871: Certificate Services received a request to publish the certificate revocation list (CRL). - -- 4872: Certificate Services published the certificate revocation list (CRL). - -- 4873: A certificate request extension changed. - -- 4874: One or more certificate request attributes changed. - -- 4875: Certificate Services received a request to shut down. - -- 4876: Certificate Services backup started. - -- 4877: Certificate Services backup completed. - -- 4878: Certificate Services restore started. - -- 4879: Certificate Services restore completed. - -- 4880: Certificate Services started. - -- 4881: Certificate Services stopped. - -- 4882: The security permissions for Certificate Services changed. - -- 4883: Certificate Services retrieved an archived key. - -- 4884: Certificate Services imported a certificate into its database. - -- 4885: The audit filter for Certificate Services changed. - -- 4886: Certificate Services received a certificate request. - -- 4887: Certificate Services approved a certificate request and issued a certificate. - -- 4888: Certificate Services denied a certificate request. - -- 4889: Certificate Services set the status of a certificate request to pending. - -- 4890: The certificate manager settings for Certificate Services changed. - -- 4891: A configuration entry changed in Certificate Services. - -- 4892: A property of Certificate Services changed. - -- 4893: Certificate Services archived a key. - -- 4894: Certificate Services imported and archived a key. - -- 4895: Certificate Services published the CA certificate to Active Directory Domain Services. - -- 4896: One or more rows have been deleted from the certificate database. - -- 4897: Role separation enabled. - -- 4898: Certificate Services loaded a template. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-computer-account-management.md b/windows/security/threat-protection/auditing/audit-computer-account-management.md deleted file mode 100644 index 836f66077c..0000000000 --- a/windows/security/threat-protection/auditing/audit-computer-account-management.md +++ /dev/null @@ -1,41 +0,0 @@ ---- -title: Audit Computer Account Management -description: The policy setting, Audit Computer Account Management, determines if audit events are generated when a computer account is created, changed, or deleted. -ms.assetid: 6c406693-57bf-4411-bb6c-ff83ce548991 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Computer Account Management - - -Audit Computer Account Management determines whether the operating system generates audit events when a computer account is created, changed, or deleted. - -This policy setting is useful for tracking account-related changes to computers that are members of a domain. - -**Event volume**: Low on domain controllers. - -This subcategory allows you to audit events generated by changes to computer accounts such as when a computer account is created, changed, or deleted. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | We recommend monitoring changes to critical computer objects in Active Directory, such as domain controllers, administrative workstations, and critical servers. It's especially important to be informed if any critical computer account objects are deleted.
Additionally, events in this subcategory will give you information about who deleted, created, or modified a computer object, and when the action was taken.
Typically volume of these events is low on domain controllers.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | No | No | No | No | This subcategory generates events only on domain controllers. | -| Workstation | No | No | No | No | This subcategory generates events only on domain controllers. | - -**Events List:** - -- [4741](event-4741.md)(S): A computer account was created. - -- [4742](event-4742.md)(S): A computer account was changed. - -- [4743](event-4743.md)(S): A computer account was deleted. - diff --git a/windows/security/threat-protection/auditing/audit-credential-validation.md b/windows/security/threat-protection/auditing/audit-credential-validation.md deleted file mode 100644 index 776717c166..0000000000 --- a/windows/security/threat-protection/auditing/audit-credential-validation.md +++ /dev/null @@ -1,53 +0,0 @@ ---- -title: Audit Credential Validation -description: The policy setting, Audit Credential Validation, determines if audit events are generated when user account logon request credentials are submitted. -ms.assetid: 6654b33a-922e-4a43-8223-ec5086dfc926 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Credential Validation - - -Audit Credential Validation determines whether the operating system generates audit events on credentials that are submitted for a user account logon request. - -These events occur on the computer that is authoritative for the credentials as follows: - -- For domain accounts, the domain controller is authoritative. - -- For local accounts, the local computer is authoritative. - -**Event volume**: - -- High on domain controllers. - -- Low on member servers and workstations. - -Because domain accounts are used much more frequently than local accounts in enterprise environments, most of the Account Logon events in a domain environment occur on the domain controllers that are authoritative for the domain accounts. However, these events can occur on any computer, and they may occur in conjunction with or on separate computers from Logon and Logoff events. - -The main reason to enable this auditing subcategory is to handle local accounts authentication attempts and, for domain accounts, NTLM authentication in the domain. It is especially useful for monitoring unsuccessful attempts, to find brute-force attacks, account enumeration, and potential account compromise events on domain controllers. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | Yes | Yes | Yes | Expected volume of events is high for domain controllers, because this subcategory will generate events when an authentication attempt is made using any domain account and NTLM authentication.
IF – We recommend Success auditing to keep track of domain-account authentication events using the NTLM protocol. Expect a high volume of events. For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections. Just collecting Success auditing events in this subcategory for future use in case of a security incident is not very useful, because events in this subcategory are not always informative.
We recommend Failure auditing, to collect information about failed authentication attempts using domain accounts and the NTLM authentication protocol. | -| Member Server | Yes | Yes | Yes | Yes | Expected volume of events is low for member servers, because this subcategory will generate events when an authentication attempt is made using a local account, which should not happen too often.
We recommend Success auditing, to keep track of authentication events by local accounts.
We recommend Failure auditing, to collect information about failed authentication attempts by local accounts. | -| Workstation | Yes | Yes | Yes | Yes | Expected volume of events is low for workstations, because this subcategory will generate events when an authentication attempt is made using a local account, which should not happen too often.
We recommend Success auditing, to keep track of authentication events by local accounts.
We recommend Failure auditing, to collect information about failed authentication attempts by local accounts. | - -**Events List:** - -- [4774](event-4774.md)(S, F): An account was mapped for logon. - -- [4775](event-4775.md)(F): An account could not be mapped for logon. - -- [4776](event-4776.md)(S, F): The computer attempted to validate the credentials for an account. - -- [4777](event-4777.md)(F): The domain controller failed to validate the credentials for an account. - diff --git a/windows/security/threat-protection/auditing/audit-detailed-directory-service-replication.md b/windows/security/threat-protection/auditing/audit-detailed-directory-service-replication.md deleted file mode 100644 index 7f07a68413..0000000000 --- a/windows/security/threat-protection/auditing/audit-detailed-directory-service-replication.md +++ /dev/null @@ -1,49 +0,0 @@ ---- -title: Audit Detailed Directory Service Replication -description: The Audit Detailed Directory Service Replication setting decides if audit events contain detailed tracking info about data replicated between domain controllers -ms.assetid: 1b89c8f5-bce7-4b20-8701-42585c7ab993 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Detailed Directory Service Replication - - -Audit Detailed Directory Service Replication determines whether the operating system generates audit events that contain detailed tracking information about data that is replicated between domain controllers. - -This audit subcategory can be useful to diagnose replication issues. - -**Event volume**: These events can create a very high volume of event data on domain controllers. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | No | IF | IF | IF - Events in this subcategory typically have an informational purpose and it is difficult to detect any malicious activity using these events. It’s mainly used for Active Directory replication troubleshooting. | -| Member Server | No | No | No | No | This subcategory makes sense only on domain controllers. | -| Workstation | No | No | No | No | This subcategory makes sense only on domain controllers. | - -**Events List:** - -- [4928](event-4928.md)(S, F): An Active Directory replica source naming context was established. - -- [4929](event-4929.md)(S, F): An Active Directory replica source naming context was removed. - -- [4930](event-4930.md)(S, F): An Active Directory replica source naming context was modified. - -- [4931](event-4931.md)(S, F): An Active Directory replica destination naming context was modified. - -- [4934](event-4934.md)(S): Attributes of an Active Directory object were replicated. - -- [4935](event-4935.md)(F): Replication failure begins. - -- [4936](event-4936.md)(S): Replication failure ends. - -- [4937](event-4937.md)(S): A lingering object was removed from a replica. - diff --git a/windows/security/threat-protection/auditing/audit-detailed-file-share.md b/windows/security/threat-protection/auditing/audit-detailed-file-share.md deleted file mode 100644 index 0b41ec8acd..0000000000 --- a/windows/security/threat-protection/auditing/audit-detailed-file-share.md +++ /dev/null @@ -1,43 +0,0 @@ ---- -title: Audit Detailed File Share -description: The Advanced Security Audit policy setting, Audit Detailed File Share, allows you to audit attempts to access files and folders on a shared folder. -ms.assetid: 60310104-b820-4033-a1cb-022a34f064ae -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Detailed File Share - - -Audit Detailed File Share allows you to audit attempts to access files and folders on a shared folder. - -The Detailed File Share setting logs an event every time a file or folder is accessed, whereas the File Share setting only records one event for any connection established between a client and file share. Detailed File Share audit events include detailed information about the permissions or other criteria used to grant or deny access. - -There are no system access control lists (SACLs) for shared folders. If this policy setting is enabled, access to all shared files and folders on the system is audited. - -**Event volume**: - -- High on file servers. - -- High on domain controllers because of SYSVOL network access required by Group Policy. - -- Low on member servers and workstations. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | Yes | No | Yes | Audit Success for this subcategory on domain controllers typically will lead to high volume of events, especially for SYSVOL share.
We recommend monitoring Failure access attempts: the volume shouldn't be high. You will be able to see who wasn't able to get access to a file or folder on a network share on a computer. | -| Member Server | IF | Yes | IF | Yes | IF – If a server has shared network folders that typically get many access requests (File Server, for example), the volume of events might be high. If you really need to track all successful access events for every file or folder located on a shared folder, enable Success auditing or use the [Audit File System](audit-file-system.md) subcategory, although that subcategory excludes some information in Audit Detailed File Share, for example, the client’s IP address.
The volume of Failure events for member servers shouldn't be high (if they aren't File Servers). With Failure auditing, you can see who can't access a file or folder on a network share on this computer. | -| Workstation | IF | Yes | IF | Yes | IF – If a workstation has shared network folders that typically get many access requests, the volume of events might be high. If you really need to track all successful access events for every file or folder located on a shared folder, enable Success auditing or use Audit File System subcategory, although that subcategory excludes some information in Audit Detailed File Share, for example, the client’s IP address.
The volume of Failure events for workstations shouldn't be high. With Failure auditing, you can see who can't access a file or folder on a network share on this computer. | - -**Events List:** - -- [5145](event-5145.md)(S, F): A network share object was checked to see whether client can be granted desired access. - diff --git a/windows/security/threat-protection/auditing/audit-directory-service-access.md b/windows/security/threat-protection/auditing/audit-directory-service-access.md deleted file mode 100644 index 2a83b4b3ec..0000000000 --- a/windows/security/threat-protection/auditing/audit-directory-service-access.md +++ /dev/null @@ -1,36 +0,0 @@ ---- -title: Audit Directory Service Access -description: The policy setting Audit Directory Service Access determines if audit events are generated when an Active Directory Domain Services (AD DS) object is accessed. -ms.assetid: ba2562ba-4282-4588-b87c-a3fcb771c7d0 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Directory Service Access - - -Audit Directory Service Access determines whether the operating system generates audit events when an Active Directory Domain Services (AD DS) object is accessed. - -**Event volume**: High on servers running AD DS role services. - -This subcategory allows you to audit when an Active Directory Domain Services (AD DS) object is accessed. It also generates Failure events if access was not granted. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | Yes | No | Yes | It is better to track changes to Active Directory objects through the [Audit Directory Service Changes](audit-directory-service-changes.md) subcategory. However, [Audit Directory Service Changes](audit-directory-service-changes.md) doesn’t give you information about failed access attempts, so we recommend Failure auditing in this subcategory to track failed access attempts to Active Directory objects.
For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections. Also, develop an Active Directory auditing policy ([SACL](/windows/win32/secauthz/access-control-lists) design for specific classes, operation types which need to be monitored for specific Organizational Units, and so on) so you can audit only the access attempts that are made to specific important objects. | -| Member Server | No | No | No | No | This subcategory makes sense only on domain controllers. | -| Workstation | No | No | No | No | This subcategory makes sense only on domain controllers. | - -**Events List:** - -- [4662](event-4662.md)(S, F): An operation was performed on an object. - -- [4661](event-4661.md)(S, F): A handle to an object was requested. diff --git a/windows/security/threat-protection/auditing/audit-directory-service-changes.md b/windows/security/threat-protection/auditing/audit-directory-service-changes.md deleted file mode 100644 index d746cc2a12..0000000000 --- a/windows/security/threat-protection/auditing/audit-directory-service-changes.md +++ /dev/null @@ -1,48 +0,0 @@ ---- -title: Audit Directory Service Changes -description: The policy setting Audit Directory Service Changes determines if audit events are generated when objects in Active Directory Domain Services (AD DS) are changed -ms.assetid: 9f7c0dd4-3977-47dd-a0fb-ec2f17cad05e -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Directory Service Changes - - -Audit Directory Service Changes determines whether the operating system generates audit events when changes are made to objects in Active Directory Domain Services (AD DS). - -Auditing of directory service objects can provide information about the old and new properties of the objects that were changed. - -Audit events are generated only for objects with configured system access control lists ([SACLs](/windows/win32/secauthz/access-control-lists)), and only when they are accessed in a manner that matches their [SACL](/windows/win32/secauthz/access-control-lists) settings. Some objects and properties do not cause audit events to be generated due to settings on the object class in the schema. - -This subcategory only logs events on domain controllers. - -**Event volume**: High on domain controllers. - -This subcategory triggers events when an Active Directory object was modified, created, undeleted, moved, or deleted. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | It is important to track actions related to high value or critical Active Directory objects, for example, changes to [AdminSDHolder](/previous-versions/technet-magazine/ee361593(v=msdn.10)) container or Domain Admins group objects.
This subcategory shows you what actions were performed. If you want to track failed access attempts for Active Directory objects you need to take a look at [Audit Directory Service Access](audit-directory-service-access.md) subcategory.
For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections. Also, develop an Active Directory auditing policy ([SACL](/windows/win32/secauthz/access-control-lists) design for specific classes, operation types which need to be monitored for specific Organizational Units, and so on) so you can audit only the access attempts that are made to specific important objects.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | No | No | No | No | This subcategory makes sense only on domain controllers. | -| Workstation | No | No | No | No | This subcategory makes sense only on domain controllers. | - -**Events List:** - -- [5136](event-5136.md)(S): A directory service object was modified. - -- [5137](event-5137.md)(S): A directory service object was created. - -- [5138](event-5138.md)(S): A directory service object was undeleted. - -- [5139](event-5139.md)(S): A directory service object was moved. - -- [5141](event-5141.md)(S): A directory service object was deleted. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-directory-service-replication.md b/windows/security/threat-protection/auditing/audit-directory-service-replication.md deleted file mode 100644 index c3efe2134f..0000000000 --- a/windows/security/threat-protection/auditing/audit-directory-service-replication.md +++ /dev/null @@ -1,35 +0,0 @@ ---- -title: Audit Directory Service Replication -description: Audit Directory Service Replication is a policy setting that decides if audit events are created when replication between two domain controllers begins or ends. -ms.assetid: b95d296c-7993-4e8d-8064-a8bbe284bd56 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Directory Service Replication - - -Audit Directory Service Replication determines whether the operating system generates audit events when replication between two domain controllers begins and ends. - -**Event volume**: Medium on domain controllers. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | No | IF | IF | IF - Events in this subcategory typically have an informational purpose and it is difficult to detect any malicious activity using these events. It’s mainly used for Active Directory replication troubleshooting. | -| Member Server | No | No | No | No | This subcategory makes sense only on domain controllers. | -| Workstation | No | No | No | No | This subcategory makes sense only on domain controllers. | - -**Events List:** - -- [4932](event-4932.md)(S): Synchronization of a replica of an Active Directory naming context has begun. - -- [4933](event-4933.md)(S, F): Synchronization of a replica of an Active Directory naming context has ended. - diff --git a/windows/security/threat-protection/auditing/audit-distribution-group-management.md b/windows/security/threat-protection/auditing/audit-distribution-group-management.md deleted file mode 100644 index 87cfeca376..0000000000 --- a/windows/security/threat-protection/auditing/audit-distribution-group-management.md +++ /dev/null @@ -1,70 +0,0 @@ ---- -title: Audit Distribution Group Management -description: The policy setting, Audit Distribution Group Management, determines if audit events are generated for specific distribution-group management tasks. -ms.assetid: d46693a4-5887-4a58-85db-2f6cba224a66 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Distribution Group Management - - -Audit Distribution Group Management determines whether the operating system generates audit events for specific distribution-group management tasks. - -This subcategory generates events only on domain controllers. - -**Event volume**: Low on domain controllers. - -This subcategory allows you to audit events generated by changes to distribution groups such as the following: - -- Distribution group is created, changed, or deleted. - -- Member is added or removed from a distribution group. - -If you need to monitor for group type changes, you need to monitor for “[4764](event-4764.md): A group’s type was changed.” “Audit Security Group Management” subcategory success auditing must be enabled. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------| -| Domain Controller | IF | No | IF | No | IF - Typically, actions related to distribution groups have low security relevance. It is much more important to monitor Security Group changes. However, if you want to monitor for critical distribution groups changes, such as if a member was added to internal critical distribution group (executives, administrative group, for example), you need to enable this subcategory for Success auditing.
Typically, volume of these events is low on domain controllers.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | No | No | No | No | This subcategory generates events only on domain controllers. | -| Workstation | No | No | No | No | This subcategory generates events only on domain controllers. | - -**Events List:** - -- [4749](event-4749.md)(S): A security-disabled global group was created. - -- [4750](event-4750.md)(S): A security-disabled global group was changed. - -- [4751](event-4751.md)(S): A member was added to a security-disabled global group. - -- [4752](event-4752.md)(S): A member was removed from a security-disabled global group. - -- [4753](event-4753.md)(S): A security-disabled global group was deleted. - -- 4759(S): A security-disabled universal group was created. See event _[4749](event-4749.md): A security-disabled global group was created._ Event 4759 is the same, except it is generated for a **universal** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4760(S): A security-disabled universal group was changed. See event _[4750](event-4750.md): A security-disabled global group was changed._ Event 4760 is the same, except it is generated for a **universal** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4761(S): A member was added to a security-disabled universal group. See event _[4751](event-4751.md): A member was added to a security-disabled global group._ Event 4761 is the same, except it is generated for a **universal** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4762(S): A member was removed from a security-disabled universal group. See event _[4752](event-4752.md): A member was removed from a security-disabled global group._ Event 4762 is the same, except it is generated for a **universal** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4763(S): A security-disabled universal group was deleted. See event _[4753](event-4753.md): A security-disabled global group was deleted._ Event 4763 is the same, except it is generated for a **universal** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4744(S): A security-disabled local group was created. See event _[4749](event-4749.md): A security-disabled global group was created._ Event 4744 is the same, except it is generated for a **local** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4745(S): A security-disabled local group was changed. See event _[4750](event-4750.md): A security-disabled global group was changed._ Event 4745 is the same, except it is generated for a **local** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4746(S): A member was added to a security-disabled local group. See event _[4751](event-4751.md): A member was added to a security-disabled global group._ Event 4746 is the same, except it is generated for a **local** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4747(S): A member was removed from a security-disabled local group. See event _[4752](event-4752.md): A member was removed from a security-disabled global group._ Event 4747 is the same, except it is generated for a **local** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - -- 4748(S): A security-disabled local group was deleted. See event _[4753](event-4753.md): A security-disabled global group was deleted._ Event 4748 is the same, except it is generated for a **local** distribution group instead of a **global** distribution group. All event fields, XML, and recommendations are the same. The type of group is the only difference. diff --git a/windows/security/threat-protection/auditing/audit-dpapi-activity.md b/windows/security/threat-protection/auditing/audit-dpapi-activity.md deleted file mode 100644 index f7a7cf3eaa..0000000000 --- a/windows/security/threat-protection/auditing/audit-dpapi-activity.md +++ /dev/null @@ -1,38 +0,0 @@ ---- -title: Audit DPAPI Activity -description: The policy setting, Audit DPAPI Activity, decides if encryption/decryption calls to the data protection application interface (DPAPI) generate audit events. -ms.assetid: be4d4c83-c857-4e3d-a84e-8bcc3f2c99cd -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit DPAPI Activity - - -Audit [DPAPI](/previous-versions/ms995355(v=msdn.10)) Activity determines whether the operating system generates audit events when encryption or decryption calls are made into the data protection application interface ([DPAPI](/previous-versions/ms995355(v=msdn.10))). - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | IF | IF | IF | IF – Events in this subcategory typically have an informational purpose and it is difficult to detect any malicious activity using these events. It’s mainly used for DPAPI troubleshooting. | -| Member Server | IF | IF | IF | IF | IF – Events in this subcategory typically have an informational purpose and it is difficult to detect any malicious activity using these events. It’s mainly used for DPAPI troubleshooting. | -| Workstation | IF | IF | IF | IF | IF – Events in this subcategory typically have an informational purpose and it is difficult to detect any malicious activity using these events. It’s mainly used for DPAPI troubleshooting. | - -**Events List:** - -- [4692](event-4692.md)(S, F): Backup of data protection master key was attempted. - -- [4693](event-4693.md)(S, F): Recovery of data protection master key was attempted. - -- [4694](event-4694.md)(S, F): Protection of auditable protected data was attempted. - -- [4695](event-4695.md)(S, F): Unprotection of auditable protected data was attempted. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-file-share.md b/windows/security/threat-protection/auditing/audit-file-share.md deleted file mode 100644 index c57ba2e002..0000000000 --- a/windows/security/threat-protection/auditing/audit-file-share.md +++ /dev/null @@ -1,51 +0,0 @@ ---- -title: Audit File Share -description: The Advanced Security Audit policy setting, Audit File Share, determines if the operating system generates audit events when a file share is accessed. -ms.assetid: 9ea985f8-8936-4b79-abdb-35cbb7138f78 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit File Share - - -Audit File Share allows you to audit events related to file shares: creation, deletion, modification, and access attempts. Also, it shows failed SMB SPN checks. - -There are no system access control lists (SACLs) for shares; therefore, after this setting is enabled, access to all shares on the system will be audited. - -Combined with File System auditing, File Share auditing enables you to track what content was accessed, the source (IP address and port) of the request, and the user account that was used for the access. - -**Event volume**: - -- High on file servers. - -- High on domain controllers because of SYSVOL network access required by Group Policy. - -- Low on member servers and workstations. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | We recommend Success auditing for domain controllers, because it’s important to track deletion, creation, and modification events for network shares.
We recommend Failure auditing to track failed SMB SPN checks and failed access attempts to network shares. | -| Member Server | Yes | Yes | Yes | Yes | We recommend Success auditing to track deletion, creation, modification, and access attempts to network share objects.
We recommend Failure auditing to track failed SMB SPN checks and failed access attempts to network shares. | -| Workstation | Yes | Yes | Yes | Yes | We recommend Success auditing to track deletion, creation, modification and access attempts to network share objects.
We recommend Failure auditing to track failed SMB SPN checks and failed access attempts to network shares. | - -**Events List:** - -- [5140](event-5140.md)(S, F): A network share object was accessed. - -- [5142](event-5142.md)(S): A network share object was added. - -- [5143](event-5143.md)(S): A network share object was modified. - -- [5144](event-5144.md)(S): A network share object was deleted. - -- [5168](event-5168.md)(F): SPN check for SMB/SMB2 failed. - diff --git a/windows/security/threat-protection/auditing/audit-file-system.md b/windows/security/threat-protection/auditing/audit-file-system.md deleted file mode 100644 index 689b7bd0e5..0000000000 --- a/windows/security/threat-protection/auditing/audit-file-system.md +++ /dev/null @@ -1,61 +0,0 @@ ---- -title: Audit File System -description: The Advanced Security Audit policy setting, Audit File System, determines if audit events are generated when users attempt to access file system objects. -ms.assetid: 6a71f283-b8e5-41ac-b348-0b7ec6ea0b1f -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit File System - - -> [!NOTE] -> For more details about applicability on older operating system versions, read the article [Audit File System](/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/dn319068(v=ws.11)). - -Audit File System determines whether the operating system generates audit events when users attempt to access file system objects. - -Audit events are generated only for objects that have configured system access control lists ([SACL](/windows/win32/secauthz/access-control-lists)s), and only if the type of access requested (such as Write, Read, or Modify) and the account making the request match the settings in the [SACL](/windows/win32/secauthz/access-control-lists). - -If success auditing is enabled, an audit entry is generated each time any account successfully accesses a file system object that has a matching SACL. If failure auditing is enabled, an audit entry is generated each time any user unsuccessfully attempts to access a file system object that has a matching SACL. - -These events are essential for tracking activity for file objects that are sensitive or valuable and require extra monitoring. - -**Event volume**: Varies, depending on how file system [SACL](/windows/win32/secauthz/access-control-lists)s are configured. - -No audit events are generated for the default file system [SACL](/windows/win32/secauthz/access-control-lists)s. - -This subcategory allows you to audit user attempts to access file system objects, file system object deletion and permissions change operations and hard link creation actions. - -Only one event, “[4658](event-4658.md): The handle to an object was closed,” depends on the [Audit Handle Manipulation](audit-handle-manipulation.md) subcategory (Success auditing must be enabled). All other events generate without any additional configuration. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | IF | IF | IF | We strongly recommend that you develop a File System Security Monitoring policy and define appropriate [SACL](/windows/win32/secauthz/access-control-lists)s for file system objects for different operating system templates and roles. Do not enable this subcategory if you have not planned how to use and analyze the collected information. It is also important to delete non-effective, excess [SACL](/windows/win32/secauthz/access-control-lists)s. Otherwise the auditing log will be overloaded with useless information.
Failure events can show you unsuccessful attempts to access specific file system objects.
Consider enabling this subcategory for critical computers first, after you develop a File System Security Monitoring policy for them. | -| Member Server | IF | IF | IF | IF | | -| Workstation | IF | IF | IF | IF | | - -**Events List:** - -- [4656](event-4656.md)(S, F): A handle to an object was requested. - -- [4658](event-4658.md)(S): The handle to an object was closed. - -- [4660](event-4660.md)(S): An object was deleted. - -- [4663](event-4663.md)(S): An attempt was made to access an object. - -- [4664](event-4664.md)(S): An attempt was made to create a hard link. - -- [4985](event-4985.md)(S): The state of a transaction has changed. - -- [5051](event-5051.md)(-): A file was virtualized. - -- [4670](event-4670.md)(S): Permissions on an object were changed. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-filtering-platform-connection.md b/windows/security/threat-protection/auditing/audit-filtering-platform-connection.md deleted file mode 100644 index 8393e5be1c..0000000000 --- a/windows/security/threat-protection/auditing/audit-filtering-platform-connection.md +++ /dev/null @@ -1,52 +0,0 @@ ---- -title: Audit Filtering Platform Connection -description: The policy setting, Audit Filtering Platform Connection, decides if audit events are generated when connections are allow/blocked by Windows Filtering Platform. -ms.assetid: d72936e9-ff01-4d18-b864-a4958815df59 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Filtering Platform Connection - - -Audit Filtering Platform Connection determines whether the operating system generates audit events when connections are allowed or blocked by the [Windows Filtering Platform](/windows/win32/fwp/windows-filtering-platform-start-page). - -Windows Filtering Platform (WFP) enables independent software vendors (ISVs) to filter and modify TCP/IP packets, monitor or authorize connections, filter Internet Protocol security (IPsec)-protected traffic, and filter remote procedure calls (RPCs). - -This subcategory contains Windows Filtering Platform events about blocked and allowed connections, blocked and allowed port bindings, blocked and allowed port listening actions, and blocked to accept incoming connections applications. - -**Event volume**: High. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | Yes | IF | Yes | Success auditing for this subcategory typically generates a very high volume of events, for example, one event for every connection that was made to the system. It is much more important to audit Failure events (blocked connections, for example). For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections.
IF - Enable Success audit in case you need to monitor successful outbound or inbound connections to and from untrusted IP addresses on high value computers or devices. | -| Member Server | No | Yes | IF | Yes | Success auditing for this subcategory typically generates a very high volume of events, for example, one event for every connection that was made to the system. It is much more important to audit Failure events (blocked connections, for example). For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections.
IF - Enable Success audit in case you need to monitor successful outbound or inbound connections to and from untrusted IP addresses on high value computers or devices. | -| Workstation | No | Yes | IF | Yes | Success auditing for this subcategory typically generates a very high volume of events, for example, one event for every connection that was made to the system. It is much more important to audit Failure events (blocked connections, for example). For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections.
IF - Enable Success audit in case you need to monitor successful outbound or inbound connections to and from untrusted IP addresses on high value computers or devices. | - -**Events List:** - -- [5031](event-5031.md)(F): The Windows Firewall Service blocked an application from accepting incoming connections on the network. - -- [5150](event-5150.md)(-): The Windows Filtering Platform blocked a packet. - -- [5151](event-5151.md)(-): A more restrictive Windows Filtering Platform filter has blocked a packet. - -- [5154](event-5154.md)(S): The Windows Filtering Platform has permitted an application or service to listen on a port for incoming connections. - -- [5155](event-5155.md)(F): The Windows Filtering Platform has blocked an application or service from listening on a port for incoming connections. - -- [5156](event-5156.md)(S): The Windows Filtering Platform has permitted a connection. - -- [5157](event-5157.md)(F): The Windows Filtering Platform has blocked a connection. - -- [5158](event-5158.md)(S): The Windows Filtering Platform has permitted a bind to a local port. - -- [5159](event-5159.md)(F): The Windows Filtering Platform has blocked a bind to a local port. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-filtering-platform-packet-drop.md b/windows/security/threat-protection/auditing/audit-filtering-platform-packet-drop.md deleted file mode 100644 index 9c77101ee8..0000000000 --- a/windows/security/threat-protection/auditing/audit-filtering-platform-packet-drop.md +++ /dev/null @@ -1,38 +0,0 @@ ---- -title: Audit Filtering Platform Packet Drop -description: The policy setting, Audit Filtering Platform Packet Drop, determines if audit events are generated when packets are dropped by the Windows Filtering Platform. -ms.assetid: 95457601-68d1-4385-af20-87916ddab906 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Filtering Platform Packet Drop - - -Audit Filtering Platform Packet Drop determines whether the operating system generates audit events when packets are dropped by the [Windows Filtering Platform](/windows/win32/fwp/windows-filtering-platform-start-page). - -Windows Filtering Platform (WFP) enables independent software vendors (ISVs) to filter and modify TCP/IP packets, monitor or authorize connections, filter Internet Protocol security (IPsec)-protected traffic, and filter remote procedure calls (RPCs). - -A high rate of dropped packets *may* indicate that there have been attempts to gain unauthorized access to computers on your network. - -**Event volume**: High. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | No | No | No | Failure events volume typically is very high for this subcategory and typically used for troubleshooting. If you need to monitor blocked connections, it is better to use “[5157](event-5157.md)(F): The Windows Filtering Platform has blocked a connection,” because it contains almost the same information and generates per-connection, not per-packet.
There is no recommendation to enable Success auditing, because Success events in this subcategory rarely occur. | -| Member Server | No | No | No | No | Failure events volume typically is very high for this subcategory and typically used for troubleshooting. If you need to monitor blocked connections, it is better to use “[5157](event-5157.md)(F): The Windows Filtering Platform has blocked a connection,” because it contains almost the same information and generates per-connection, not per-packet.
There is no recommendation to enable Success auditing, because Success events in this subcategory rarely occur. | -| Workstation | No | No | No | No | Failure events volume typically is very high for this subcategory and typically used for troubleshooting. If you need to monitor blocked connections, it is better to use “[5157](event-5157.md)(F): The Windows Filtering Platform has blocked a connection,” because it contains almost the same information and generates per-connection, not per-packet.
There is no recommendation to enable Success auditing, because Success events in this subcategory rarely occur. | - -**Events List:** - -- [5152](event-5152.md)(F): The Windows Filtering Platform blocked a packet. - -- [5153](event-5153.md)(S): A more restrictive Windows Filtering Platform filter has blocked a packet. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-filtering-platform-policy-change.md b/windows/security/threat-protection/auditing/audit-filtering-platform-policy-change.md deleted file mode 100644 index 9ab9af405b..0000000000 --- a/windows/security/threat-protection/auditing/audit-filtering-platform-policy-change.md +++ /dev/null @@ -1,110 +0,0 @@ ---- -title: Audit Filtering Platform Policy Change -description: The policy setting, Audit Filtering Platform Policy Change, determines if audit events are generated for certain IPsec and Windows Filtering Platform actions. -ms.assetid: 0eaf1c56-672b-4ea9-825a-22dc03eb4041 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Filtering Platform Policy Change - - -Audit Filtering Platform Policy Change allows you to audit events generated by changes to the [Windows Filtering Platform](/windows/win32/fwp/windows-filtering-platform-start-page) (WFP), such as the following: - -- IPsec services status. - -- Changes to IPsec policy settings. - -- Changes to Windows Filtering Platform Base Filtering Engine policy settings. - -- Changes to WFP providers and engine. - -Windows Filtering Platform (WFP) enables independent software vendors (ISVs) to filter and modify TCP/IP packets, monitor or authorize connections, filter Internet Protocol security (IPsec)-protected traffic, and filter remote procedure calls (RPCs). - -- 4709(S): IPsec Services was started. - -- 4710(S): IPsec Services was disabled. - -- 4711(S): May contain any one of the following: - -- 4712(F): IPsec Services encountered a potentially serious failure. - -- 5040(S): A change has been made to IPsec settings. An Authentication Set was added. - -- 5041(S): A change has been made to IPsec settings. An Authentication Set was modified. - -- 5042(S): A change has been made to IPsec settings. An Authentication Set was deleted. - -- 5043(S): A change has been made to IPsec settings. A Connection Security Rule was added. - -- 5044(S): A change has been made to IPsec settings. A Connection Security Rule was modified. - -- 5045(S): A change has been made to IPsec settings. A Connection Security Rule was deleted. - -- 5046(S): A change has been made to IPsec settings. A Crypto Set was added. - -- 5047(S): A change has been made to IPsec settings. A Crypto Set was modified. - -- 5048(S): A change has been made to IPsec settings. A Crypto Set was deleted. - -- 5440(S): The following callout was present when the Windows Filtering Platform Base Filtering Engine started. - -- 5441(S): The following filter was present when the Windows Filtering Platform Base Filtering Engine started. - -- 5442(S): The following provider was present when the Windows Filtering Platform Base Filtering Engine started. - -- 5443(S): The following provider context was present when the Windows Filtering Platform Base Filtering Engine started. - -- 5444(S): The following sub-layer was present when the Windows Filtering Platform Base Filtering Engine started. - -- 5446(S): A Windows Filtering Platform callout has been changed. - -- 5448(S): A Windows Filtering Platform provider has been changed. - -- 5449(S): A Windows Filtering Platform provider context has been changed. - -- 5450(S): A Windows Filtering Platform sub-layer has been changed. - -- 5456(S): PAStore Engine applied Active Directory storage IPsec policy on the computer. - -- 5457(F): PAStore Engine failed to apply Active Directory storage IPsec policy on the computer. - -- 5458(S): PAStore Engine applied locally cached copy of Active Directory storage IPsec policy on the computer. - -- 5459(F): PAStore Engine failed to apply locally cached copy of Active Directory storage IPsec policy on the computer. - -- 5460(S): PAStore Engine applied local registry storage IPsec policy on the computer. - -- 5461(F): PAStore Engine failed to apply local registry storage IPsec policy on the computer. - -- 5462(F): PAStore Engine failed to apply some rules of the active IPsec policy on the computer. Use the IP Security Monitor snap-in to diagnose the problem. - -- 5463(S): PAStore Engine polled for changes to the active IPsec policy and detected no changes. - -- 5464(S): PAStore Engine polled for changes to the active IPsec policy, detected changes, and applied them to IPsec Services. - -- 5465(S): PAStore Engine received a control for forced reloading of IPsec policy and processed the control successfully. - -- 5466(F): PAStore Engine polled for changes to the Active Directory IPsec policy, determined that Active Directory cannot be reached, and will use the cached copy of the Active Directory IPsec policy instead. Any changes made to the Active Directory IPsec policy since the last poll could not be applied. - -- 5467(F): PAStore Engine polled for changes to the Active Directory IPsec policy, determined that Active Directory can be reached, and found no changes to the policy. The cached copy of the Active Directory IPsec policy is no longer being used. - -- 5468(S): PAStore Engine polled for changes to the Active Directory IPsec policy, determined that Active Directory can be reached, found changes to the policy, and applied those changes. The cached copy of the Active Directory IPsec policy is no longer being used. - -- 5471(S): PAStore Engine loaded local storage IPsec policy on the computer. - -- 5472(F): PAStore Engine failed to load local storage IPsec policy on the computer. - -- 5473(S): PAStore Engine loaded directory storage IPsec policy on the computer. - -- 5474(F): PAStore Engine failed to load directory storage IPsec policy on the computer. - -- 5477(F): PAStore Engine failed to add quick mode filter. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-group-membership.md b/windows/security/threat-protection/auditing/audit-group-membership.md deleted file mode 100644 index 771769f0be..0000000000 --- a/windows/security/threat-protection/auditing/audit-group-membership.md +++ /dev/null @@ -1,45 +0,0 @@ ---- -title: Audit Group Membership -description: Using the advanced security audit policy setting, Audit Group Membership, you can audit group memberships when they're enumerated on the client PC. -ms.assetid: 1CD7B014-FBD9-44B9-9274-CC5715DE58B9 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Group Membership - - -By using Audit Group Membership, you can audit group memberships when they're enumerated on the client computer. - -This policy allows you to audit the group membership information in the user's logon token. Events in this subcategory are generated on the computer on which a logon session is created. - -For an interactive logon, the security audit event is generated on the computer that the user logged on to. For a network logon, such as accessing a shared folder on the network, the security audit event is generated on the computer hosting the resource. - -You must also enable the [Audit Logon](audit-logon.md) subcategory. - -Multiple events are generated if the group membership information cannot fit in a single security audit event - -**Event volume**: - -- Low on a client computer. - -- Medium on a domain controller or network servers. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | Group membership information for a logged-in user can help to detect that member of specific domain or local group logged in to the machine (for example, member of database administrators, built-in local administrators, domain administrators, service accounts group, or other high value groups).
For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections.
This subcategory doesn’t have Failure events, so this subcategory doesn't have a recommendation to enable Failure auditing. | -| Member Server | Yes | No | Yes | No | Group membership information for logged in user can help to detect that member of specific domain or local group logged in to the machine (for example, member of database administrators, built-in local administrators, domain administrators, service accounts group, or other high value groups).
For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections.
This subcategory doesn’t have Failure events, so this subcategory doesn't have a recommendation to enable Failure auditing. | -| Workstation | Yes | No | Yes | No | Group membership information for a logged-in user can help to detect that member of specific domain or local group logged in to the machine (for example, member of database administrators, built-in local administrators, domain administrators, service accounts group, or other high value groups).
For recommendations for using and analyzing the collected information, see the ***Security Monitoring Recommendations*** sections.
This subcategory doesn’t have Failure events, so this subcategory doesn't have a recommendation to enable Failure auditing. | - -**Events List:** - -- [4627](event-4627.md)(S): Group membership information. - diff --git a/windows/security/threat-protection/auditing/audit-handle-manipulation.md b/windows/security/threat-protection/auditing/audit-handle-manipulation.md deleted file mode 100644 index 2452d552c4..0000000000 --- a/windows/security/threat-protection/auditing/audit-handle-manipulation.md +++ /dev/null @@ -1,36 +0,0 @@ ---- -title: Audit Handle Manipulation -description: The Advanced Security Audit policy setting, Audit Handle Manipulation, determines if audit events are generated when a handle to an object is opened or closed. -ms.assetid: 1fbb004a-ccdc-4c80-b3da-a4aa7a9f4091 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Handle Manipulation - - -Audit Handle Manipulation enables generation of “4658: The handle to an object was closed” in [Audit File System](audit-file-system.md), [Audit Kernel Object](audit-kernel-object.md), [Audit Registry](audit-registry.md), [Audit Removable Storage](audit-removable-storage.md) and [Audit SAM](audit-sam.md) subcategories, and shows object’s handle duplication and close actions. - -**Event volume**: High. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------| -| Domain Controller | No | No | No | No | Typically, information about the duplication or closing of an object handle has little to no security relevance and is hard to parse or analyze.
There is no recommendation to enable this subcategory for Success or Failure auditing, unless you know exactly what you need to monitor in Object’s Handles level. | -| Member Server | No | No | No | No | Typically, information about the duplication or closing of an object handle has little to no security relevance and is hard to parse or analyze.
There is no recommendation to enable this subcategory for Success or Failure auditing, unless you know exactly what you need to monitor in Object’s Handles level. | -| Workstation | No | No | No | No | Typically, information about the duplication or closing of an object handle has little to no security relevance and is hard to parse or analyze.
There is no recommendation to enable this subcategory for Success or Failure auditing, unless you know exactly what you need to monitor in Object’s Handles level. | - -**Events List:** - -- [4658](event-4658.md)(S): The handle to an object was closed. - -- [4690](event-4690.md)(S): An attempt was made to duplicate a handle to an object. - -- 4658(S): The handle to an object was closed. For a description of the event, see _[4658](event-4658.md)(S): The handle to an object was closed._ in the Audit File System subcategory. This event doesn’t generate in the Audit Handle Manipulation subcategory, but you can use this subcategory to enable it. diff --git a/windows/security/threat-protection/auditing/audit-ipsec-driver.md b/windows/security/threat-protection/auditing/audit-ipsec-driver.md deleted file mode 100644 index 20882eebbc..0000000000 --- a/windows/security/threat-protection/auditing/audit-ipsec-driver.md +++ /dev/null @@ -1,70 +0,0 @@ ---- -title: Audit IPsec Driver -description: The Advanced Security Audit policy setting, Audit IPsec Driver, determines if audit events are generated for the activities of the IPsec driver. -ms.assetid: c8b8c02f-5ad0-4ee5-9123-ea8cdae356a5 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit IPsec Driver - - -Audit IPsec Driver allows you to audit events generated by IPSec driver such as the following: - -- Startup and shutdown of the IPsec services. - -- Network packets dropped due to integrity check failure. - -- Network packets dropped due to replay check failure. - -- Network packets dropped due to being in plaintext. - -- Network packets received with incorrect Security Parameter Index (SPI). This may indicate that either the network card is not working correctly or the driver needs to be updated. - -- Inability to process IPsec filters. - -A high rate of packet drops by the IPsec filter driver may indicate attempts to gain access to the network by unauthorized systems. - -Failure to process IPsec filters poses a potential security risk because some network interfaces may not get the protection that is provided by the IPsec filter. This subcategory is outside the scope of this document. - -**Event volume:** Medium - -**Default:** Not configured - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | - | - | - | - | There is no recommendation for this subcategory in this document, unless you know exactly what you need to monitor at IPsec Driver level. | -| Member Server | - | - | - | - | There is no recommendation for this subcategory in this document, unless you know exactly what you need to monitor at IPsec Driver level. | -| Workstation | - | - | - | - | There is no recommendation for this subcategory in this document, unless you know exactly what you need to monitor at IPsec Driver level. | - -**Events List:** - -- 4960(S): IPsec dropped an inbound packet that failed an integrity check. If this problem persists, it could indicate a network issue or that packets are being modified in transit to this computer. Verify that the packets sent from the remote computer are the same as those received by this computer. This error might also indicate interoperability problems with other IPsec implementations. - -- 4961(S): IPsec dropped an inbound packet that failed a replay check. If this problem persists, it could indicate a replay attack against this computer. - -- 4962(S): IPsec dropped an inbound packet that failed a replay check. The inbound packet had too low a sequence number to ensure it was not a replay. - -- 4963(S): IPsec dropped an inbound clear text packet that should have been secured. This is usually due to the remote computer changing its IPsec policy without informing this computer. This could also be a spoofing attack attempt. - -- 4965(S): IPsec received a packet from a remote computer with an incorrect Security Parameter Index (SPI). This is usually caused by malfunctioning hardware that is corrupting packets. If these errors persist, verify that the packets sent from the remote computer are the same as those received by this computer. This error may also indicate interoperability problems with other IPsec implementations. In that case, if connectivity is not impeded, then these events can be ignored. - -- 5478(S): IPsec Services has started successfully. - -- 5479(S): IPsec Services has been shut down successfully. The shutdown of IPsec Services can put the computer at greater risk of network attack or expose the computer to potential security risks. - -- 5480(F): IPsec Services failed to get the complete list of network interfaces on the computer. This poses a potential security risk because some of the network interfaces may not get the protection provided by the applied IPsec filters. Use the IP Security Monitor snap-in to diagnose the problem. - -- 5483(F): IPsec Services failed to initialize RPC server. IPsec Services could not be started. - -- 5484(F): IPsec Services has experienced a critical failure and has been shut down. The shutdown of IPsec Services can put the computer at greater risk of network attack or expose the computer to potential security risks. - -- 5485(F): IPsec Services failed to process some IPsec filters on a plug-and-play event for network interfaces. This poses a potential security risk because some of the network interfaces may not get the protection provided by the applied IPsec filters. Use the IP Security Monitor snap-in to diagnose the problem. diff --git a/windows/security/threat-protection/auditing/audit-ipsec-extended-mode.md b/windows/security/threat-protection/auditing/audit-ipsec-extended-mode.md deleted file mode 100644 index 45b5d1ef63..0000000000 --- a/windows/security/threat-protection/auditing/audit-ipsec-extended-mode.md +++ /dev/null @@ -1,42 +0,0 @@ ---- -title: Audit IPsec Extended Mode -description: The setting, Audit IPsec Extended Mode, determines if audit events are generated for the results of IKE protocol and AuthIP during Extended Mode negotiations. -ms.assetid: 2b4fee9e-482a-4181-88a8-6a79d8fc8049 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit IPsec Extended Mode - - -Audit IPsec Extended Mode allows you to audit events generated by Internet Key Exchange protocol (IKE) and Authenticated Internet Protocol (AuthIP) during Extended Mode negotiations. - -Audit IPsec Extended Mode subcategory is out of scope of this document, because this subcategory is mainly used for IPsec Extended Mode troubleshooting. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------| -| Domain Controller | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Extended Mode troubleshooting, or for tracing or monitoring IPsec Extended Mode operations. | -| Member Server | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Extended Mode troubleshooting, or for tracing or monitoring IPsec Extended Mode operations. | -| Workstation | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Extended Mode troubleshooting, or for tracing or monitoring IPsec Extended Mode operations. | - -- 4978(S): During Extended Mode negotiation, IPsec received an invalid negotiation packet. If this problem persists, it could indicate a network issue or an attempt to modify or replay this negotiation. - -- 4979(S): IPsec Main Mode and Extended Mode security associations were established. - -- 4980(S): IPsec Main Mode and Extended Mode security associations were established. - -- 4981(S): IPsec Main Mode and Extended Mode security associations were established. - -- 4982(S): IPsec Main Mode and Extended Mode security associations were established. - -- 4983(S): An IPsec Extended Mode negotiation failed. The corresponding Main Mode security association has been deleted. - -- 4984(S): An IPsec Extended Mode negotiation failed. The corresponding Main Mode security association has been deleted. diff --git a/windows/security/threat-protection/auditing/audit-ipsec-main-mode.md b/windows/security/threat-protection/auditing/audit-ipsec-main-mode.md deleted file mode 100644 index f1c660e1e8..0000000000 --- a/windows/security/threat-protection/auditing/audit-ipsec-main-mode.md +++ /dev/null @@ -1,46 +0,0 @@ ---- -title: Audit IPsec Main Mode -description: Learn about the policy setting, Audit IPsec Main Mode, which determines if the results of certain protocols generate events during Main Mode negotiations. -ms.assetid: 06ed26ec-3620-4ef4-a47a-c70df9c8827b -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit IPsec Main Mode - - -Audit IPsec Main Mode allows you to audit events generated by Internet Key Exchange protocol (IKE) and Authenticated Internet Protocol (AuthIP) during Main Mode negotiations. - -Audit IPsec Main Mode subcategory is out of scope of this document, because this subcategory is mainly used for IPsec Main Mode troubleshooting. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------| -| Domain Controller | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Main Mode troubleshooting, or for tracing or monitoring IPsec Main Mode operations. | -| Member Server | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Main Mode troubleshooting, or for tracing or monitoring IPsec Main Mode operations. | -| Workstation | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Main Mode troubleshooting, or for tracing or monitoring IPsec Main Mode operations. | - -- 4646(S): Security ID: %1 - -- 4650(S): An IPsec Main Mode security association was established. Extended Mode was not enabled. Certificate authentication was not used. - -- 4651(S): An IPsec Main Mode security association was established. Extended Mode was not enabled. A certificate was used for authentication. - -- 4652(F): An IPsec Main Mode negotiation failed. - -- 4653(F): An IPsec Main Mode negotiation failed. - -- 4655(S): An IPsec Main Mode security association ended. - -- 4976(S): During Main Mode negotiation, IPsec received an invalid negotiation packet. If this problem persists, it could indicate a network issue or an attempt to modify or replay this negotiation. - -- 5049(S): An IPsec Security Association was deleted. - -- 5453(S): An IPsec negotiation with a remote computer failed because the IKE and AuthIP IPsec Keying Modules (IKEEXT) service is not started. diff --git a/windows/security/threat-protection/auditing/audit-ipsec-quick-mode.md b/windows/security/threat-protection/auditing/audit-ipsec-quick-mode.md deleted file mode 100644 index c456fc1f21..0000000000 --- a/windows/security/threat-protection/auditing/audit-ipsec-quick-mode.md +++ /dev/null @@ -1,34 +0,0 @@ ---- -title: Audit IPsec Quick Mode -description: The policy setting, Audit IPsec Quick Mode, decides if audit events are generated for the results of the IKE protocol and AuthIP during Quick Mode negotiations. -ms.assetid: 7be67a15-c2ce-496a-9719-e25ac7699114 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit IPsec Quick Mode - - -Audit IPsec Quick Mode allows you to audit events generated by Internet Key Exchange protocol (IKE) and Authenticated Internet Protocol (AuthIP) during Quick Mode negotiations. - -Audit IPsec Quick Mode subcategory is out of scope of this document, because this subcategory is mainly used for IPsec Quick Mode troubleshooting. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------| -| Domain Controller | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Quick Mode troubleshooting, or for tracing or monitoring IPsec Quick Mode operations. | -| Member Server | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Quick Mode troubleshooting, or for tracing or monitoring IPsec Quick Mode operations. | -| Workstation | IF | IF | IF | IF | IF - This subcategory is mainly used for IPsec Quick Mode troubleshooting, or for tracing or monitoring IPsec Quick Mode operations. | - -- 4977(S): During Quick Mode negotiation, IPsec received an invalid negotiation packet. If this problem persists, it could indicate a network issue or an attempt to modify or replay this negotiation. - -- 5451(S): An IPsec Quick Mode security association was established. - -- 5452(S): An IPsec Quick Mode security association ended. diff --git a/windows/security/threat-protection/auditing/audit-kerberos-authentication-service.md b/windows/security/threat-protection/auditing/audit-kerberos-authentication-service.md deleted file mode 100644 index 6ec1fcf9e4..0000000000 --- a/windows/security/threat-protection/auditing/audit-kerberos-authentication-service.md +++ /dev/null @@ -1,41 +0,0 @@ ---- -title: Audit Kerberos Authentication Service -description: The policy setting Audit Kerberos Authentication Service decides if audit events are generated for Kerberos authentication ticket-granting ticket (TGT) requests -ms.assetid: 990dd6d9-1a1f-4cce-97ba-5d7e0a7db859 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Kerberos Authentication Service - - -Audit Kerberos Authentication Service determines whether to generate audit events for Kerberos authentication ticket-granting ticket (TGT) requests. - -If you configure this policy setting, an audit event is generated after a Kerberos authentication TGT request. Success audits record successful attempts and Failure audits record unsuccessful attempts. - -**Event volume**: High on Kerberos Key Distribution Center servers. - -This subcategory contains events about issued TGTs and failed TGT requests. It also contains events about failed Pre-Authentications, due to wrong user password or when the user’s password has expired. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | We recommend Success auditing, because you will see all Kerberos Authentication requests (TGT requests), which are a part of domain account logons. Also, you can see the IP address from which this account requested a TGT, when TGT was requested, which encryption type was used and so on.
We recommend Failure auditing, because you will see all failed requests with wrong password, username, revoked certificate, and so on. You will also be able to detect Kerberos issues or possible attack attempts.
Expected volume is high on domain controllers. | -| Member Server | No | No | No | No | This subcategory makes sense only on domain controllers. | -| Workstation | No | No | No | No | This subcategory makes sense only on domain controllers. | - -**Events List:** - -- [4768](event-4768.md)(S, F): A Kerberos authentication ticket (TGT) was requested. - -- [4771](event-4771.md)(F): Kerberos pre-authentication failed. - -- [4772](event-4772.md)(F): A Kerberos authentication ticket request failed. - diff --git a/windows/security/threat-protection/auditing/audit-kerberos-service-ticket-operations.md b/windows/security/threat-protection/auditing/audit-kerberos-service-ticket-operations.md deleted file mode 100644 index 2d13eeaf23..0000000000 --- a/windows/security/threat-protection/auditing/audit-kerberos-service-ticket-operations.md +++ /dev/null @@ -1,40 +0,0 @@ ---- -title: Audit Kerberos Service Ticket Operations -description: The policy setting, Audit Kerberos Service Ticket Operations, determines if security audit events are generated for Kerberos service ticket requests. -ms.assetid: ddc0abef-ac7f-4849-b90d-66700470ccd6 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Kerberos Service Ticket Operations - - -Audit Kerberos Service Ticket Operations determines whether the operating system generates security audit events for Kerberos service ticket requests. - -Events are generated every time Kerberos is used to authenticate a user who wants to access a protected network resource. Kerberos service ticket operation audit events can be used to track user activity. - -**Event volume**: Very High on Kerberos Key Distribution Center servers. - -This subcategory contains events about issued TGSs and failed TGS requests. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | Yes | Yes | Yes | Expected volume is very high on domain controllers.

IF - We recommend Success auditing, because you will see all Kerberos Service Ticket requests (TGS requests), which are part of service use and access requests by specific accounts. Also, you can see the IP address from which this account requested TGS, when TGS was requested, which encryption type was used, and so on. For recommendations for using and analyzing the collected information, see our [***Security Monitoring Recommendations***](appendix-a-security-monitoring-recommendations-for-many-audit-events.md).

We recommend Failure auditing, because you will see all failed requests and be able to investigate the reason for failure. You will also be able to detect Kerberos issues or possible attack attempts. | -| Member Server | No | No | No | No | This subcategory makes sense only on domain controllers. | -| Workstation | No | No | No | No | This subcategory makes sense only on domain controllers. | - -**Events List:** - -- [4769](event-4769.md)(S, F): A Kerberos service ticket was requested. - -- [4770](event-4770.md)(S): A Kerberos service ticket was renewed. - -- [4773](event-4773.md)(F): A Kerberos service ticket request failed. diff --git a/windows/security/threat-protection/auditing/audit-kernel-object.md b/windows/security/threat-protection/auditing/audit-kernel-object.md deleted file mode 100644 index ae38545e9f..0000000000 --- a/windows/security/threat-protection/auditing/audit-kernel-object.md +++ /dev/null @@ -1,44 +0,0 @@ ---- -title: Audit Kernel Object -description: The policy setting, Audit Kernel Object, decides if user attempts to access the system kernel (which includes mutexes and semaphores) generate audit events. -ms.assetid: 75619d8b-b1eb-445b-afc9-0f9053be97fb -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Kernel Object - - -Audit Kernel Object determines whether the operating system generates audit events when users attempt to access the system kernel, which includes mutexes and semaphores. - -Only kernel objects with a matching system access control list ([SACL](/windows/win32/secauthz/access-control-lists)) generate security audit events. The audits generated are usually useful only to developers. - -Typically, kernel objects are given SACLs only if the AuditBaseObjects or AuditBaseDirectories auditing options are enabled. - -The “[Audit: Audit the access of global system objects](/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/jj852233(v=ws.11))” policy setting controls the default SACL of kernel objects. - -**Event volume**: High. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | No | No | No | Typically Kernel object auditing events have little to no security relevance and are hard to parse or analyze. Also, the volume of these events is typically very high.
There is no recommendation to enable this subcategory, unless you know exactly what you need to monitor at the Kernel objects level. | -| Member Server | No | No | No | No | Typically Kernel object auditing events have little to no security relevance and are hard to parse or analyze. Also, the volume of these events is typically very high.
There is no recommendation to enable this subcategory, unless you know exactly what you need to monitor at the Kernel objects level. | -| Workstation | No | No | No | No | Typically Kernel object auditing events have little to no security relevance and are hard to parse or analyze. Also, the volume of these events is typically very high.
There is no recommendation to enable this subcategory, unless you know exactly what you need to monitor at the Kernel objects level. | - -**Events List:** - -- [4656](event-4656.md)(S, F): A handle to an object was requested. - -- [4658](event-4658.md)(S): The handle to an object was closed. - -- [4660](event-4660.md)(S): An object was deleted. - -- [4663](event-4663.md)(S): An attempt was made to access an object. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-logoff.md b/windows/security/threat-protection/auditing/audit-logoff.md deleted file mode 100644 index 0525d84b24..0000000000 --- a/windows/security/threat-protection/auditing/audit-logoff.md +++ /dev/null @@ -1,43 +0,0 @@ ---- -title: Audit Logoff -description: The Advanced Security Audit policy setting, Audit Logoff, determines if audit events are generated when logon sessions are terminated. -ms.assetid: 681e51f2-ba06-46f5-af8c-d9c48d515432 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Logoff - - -Audit Logoff determines whether the operating system generates audit events when logon sessions are terminated. - -These events occur on the computer that was accessed. For an interactive logon, these events are generated on the computer that was logged on to. - -There is no failure event in this subcategory because failed logoffs (such as when a system abruptly shuts down) do not generate an audit record. - -Logon events are essential to understanding user activity and detecting potential attacks. Logoff events are not 100 percent reliable. For example, the computer can be turned off without a proper logoff and shutdown; in this case, a logoff event is not generated. - -**Event volume**: High. - -This subcategory allows you to audit events generated by the closing of a logon session. These events occur on the computer that was accessed. For an interactive logoff, the security audit event is generated on the computer that the user account logged on to. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | No | Yes | No | This subcategory typically generates huge amount of “[4634](event-4634.md)(S): An account was logged off.” events, which typically have little security relevance. It's more important to audit Logon events using [Audit Logon](audit-logon.md) subcategory, rather than Logoff events.
Enable Success audit if you want to track, for example, for how long a session was active (in correlation with [Audit Logon](audit-logon.md) events) and when a user logged off.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | No | No | Yes | No | This subcategory typically generates huge amount of “[4634](event-4634.md)(S): An account was logged off.” events, which typically have little security relevance. It's more important to audit Logon events using [Audit Logon](audit-logon.md) subcategory, rather than Logoff events.
Enable Success audit if you want to track, for example, for how long a session was active (in correlation with [Audit Logon](audit-logon.md) events) and when a user logged off.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | No | No | Yes | No | This subcategory typically generates huge amount of “[4634](event-4634.md)(S): An account was logged off.” events, which typically have little security relevance. It's more important to audit Logon events using [Audit Logon](audit-logon.md) subcategory, rather than Logoff events.
Enable Success audit if you want to track, for example, for how long a session was active (in correlation with [Audit Logon](audit-logon.md) events) and when a user logged off.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4634](event-4634.md)(S): An account was logged off. - -- [4647](event-4647.md)(S): User initiated logoff. - diff --git a/windows/security/threat-protection/auditing/audit-logon.md b/windows/security/threat-protection/auditing/audit-logon.md deleted file mode 100644 index 1437ead2f9..0000000000 --- a/windows/security/threat-protection/auditing/audit-logon.md +++ /dev/null @@ -1,55 +0,0 @@ ---- -title: Audit Logon -description: The Advanced Security Audit policy setting, Audit Logon, determines if audit events are generated when a user attempts to log on to a computer. -ms.assetid: ca968d03-7d52-48c4-ba0e-2bcd2937231b -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Logon - - -Audit Logon determines whether the operating system generates audit events when a user attempts to log on to a computer. - -These events are related to the creation of logon sessions and occur on the computer that was accessed. For an interactive logon, events are generated on the computer that was logged on to. For a network logon, such as accessing a share, events are generated on the computer that hosts the resource that was accessed. - -The following events are recorded: - -- Logon success and failure. - -- Logon attempts by using explicit credentials. This event is generated when a process attempts to log on an account by explicitly specifying that account's credentials. This most commonly occurs in batch configurations such as scheduled tasks, or when using the **RunAs** command. - -- Security identifiers (SIDs) are filtered. - -Logon events are essential to tracking user activity and detecting potential attacks. - -**Event volume**: - -- Low on a client computer. - -- Medium on a domain controllers or network servers. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | Audit Logon events, for example, will give you information about which account, when, using which Logon Type, from which machine logged on to this machine.
Failure events will show you failed logon attempts and the reason why these attempts failed. | -| Member Server | Yes | Yes | Yes | Yes | Audit Logon events, for example, will give you information about which account, when, using which Logon Type, from which machine logged on to this machine.
Failure events will show you failed logon attempts and the reason why these attempts failed. | -| Workstation | Yes | Yes | Yes | Yes | Audit Logon events, for example, will give you information about which account, when, using which Logon Type, from which machine logged on to this machine.
Failure events will show you failed logon attempts and the reason why these attempts failed. | - -**Events List:** - -- [4624](event-4624.md)(S): An account was successfully logged on. - -- [4625](event-4625.md)(F): An account failed to log on. - -- [4648](event-4648.md)(S): A logon was attempted using explicit credentials. - -- [4675](event-4675.md)(S): SIDs were filtered. - diff --git a/windows/security/threat-protection/auditing/audit-mpssvc-rule-level-policy-change.md b/windows/security/threat-protection/auditing/audit-mpssvc-rule-level-policy-change.md deleted file mode 100644 index d00998a052..0000000000 --- a/windows/security/threat-protection/auditing/audit-mpssvc-rule-level-policy-change.md +++ /dev/null @@ -1,75 +0,0 @@ ---- -title: Audit MPSSVC Rule-Level Policy Change -description: Audit MPSSVC Rule-Level Policy Change determines if audit events are generated when policy rules are altered for the Microsoft Protection Service (MPSSVC.exe). -ms.assetid: 263461b3-c61c-4ec3-9dee-851164845019 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit MPSSVC Rule-Level Policy Change - - -Audit MPSSVC Rule-Level Policy Change determines whether the operating system generates audit events when changes are made to policy rules for the Microsoft Protection Service (MPSSVC.exe). - -The Microsoft Protection Service, which is used by Windows Firewall, is an integral part of the computer’s threat protection against malware. The tracked activities include: - -- Active policies when the Windows Firewall service starts. - -- Changes to Windows Firewall rules. - -- Changes to the Windows Firewall exception list. - -- Changes to Windows Firewall settings. - -- Rules ignored or not applied by the Windows Firewall service. - -- Changes to Windows Firewall Group Policy settings. - -Changes to firewall rules are important for understanding the security state of the computer and how well it is protected against network attacks. - -**Event volume**: Medium. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | Success events shows you changes in Windows Firewall rules and settings, active configuration and rules after Windows Firewall Service startup and default configuration restore actions.
Failure events may help to identify configuration problems with Windows Firewall rules or settings. | -| Member Server | Yes | Yes | Yes | Yes | Success events shows you changes in Windows Firewall rules and settings, active configuration and rules after Windows Firewall Service startup and default configuration restore actions.
Failure events may help to identify configuration problems with Windows Firewall rules or settings. | -| Workstation | Yes | Yes | Yes | Yes | Success events shows you changes in Windows Firewall rules and settings, active configuration and rules after Windows Firewall Service startup and default configuration restore actions.
Failure events may help to identify configuration problems with Windows Firewall rules or settings. | - -**Events List:** - -- [4944](event-4944.md)(S): The following policy was active when the Windows Firewall started. - -- [4945](event-4945.md)(S): A rule was listed when the Windows Firewall started. - -- [4946](event-4946.md)(S): A change has been made to Windows Firewall exception list. A rule was added. - -- [4947](event-4947.md)(S): A change has been made to Windows Firewall exception list. A rule was modified. - -- [4948](event-4948.md)(S): A change has been made to Windows Firewall exception list. A rule was deleted. - -- [4949](event-4949.md)(S): Windows Firewall settings were restored to the default values. - -- [4950](event-4950.md)(S): A Windows Firewall setting has changed. - -- [4951](event-4951.md)(F): A rule has been ignored because its major version number was not recognized by Windows Firewall. - -- [4952](event-4952.md)(F): Parts of a rule have been ignored because its minor version number was not recognized by Windows Firewall. The other parts of the rule will be enforced. - -- [4953](event-4953.md)(F): A rule has been ignored by Windows Firewall because it could not parse the rule. - -- [4954](event-4954.md)(S): Windows Firewall Group Policy settings have changed. The new settings have been applied. - -- [4956](event-4956.md)(S): Windows Firewall has changed the active profile. - -- [4957](event-4957.md)(F): Windows Firewall did not apply the following rule: - -- [4958](event-4958.md)(F): Windows Firewall did not apply the following rule because the rule referred to items not configured on this computer: - diff --git a/windows/security/threat-protection/auditing/audit-network-policy-server.md b/windows/security/threat-protection/auditing/audit-network-policy-server.md deleted file mode 100644 index 9af80769b0..0000000000 --- a/windows/security/threat-protection/auditing/audit-network-policy-server.md +++ /dev/null @@ -1,54 +0,0 @@ ---- -title: Audit Network Policy Server -description: The policy setting, Audit Network Policy Server, determines if audit events are generated for RADIUS (IAS) and NAP activity on user access requests. -ms.assetid: 43b2aea4-26df-46da-b761-2b30f51a80f7 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Network Policy Server - - -Audit Network Policy Server allows you to audit events generated by RADIUS (IAS) and Network Access Protection (NAP) activity related to user access requests. These requests can be Grant, Deny, Discard, Quarantine, Lock, and Unlock. - -If you configure this subcategory, an audit event is generated for each IAS and NAP user access request. - -This subcategory generates events only if NAS or IAS role is installed on the server. - -NAP events can be used to help understand the overall health of the network. - -**Event volume**: Medium to High on servers that are running [Network Policy Server](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc732912(v=ws.11)) (NPS). - -Role-specific subcategories are outside the scope of this document. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------| -| Domain Controller | IF | IF | IF | IF | IF – if a server has the [Network Policy Server](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc732912(v=ws.11)) (NPS) role installed and you need to monitor access requests and other NPS-related events, enable this subcategory. | -| Member Server | IF | IF | IF | IF | IF – if a server has the [Network Policy Server](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc732912(v=ws.11)) (NPS) role installed and you need to monitor access requests and other NPS-related events, enable this subcategory. | -| Workstation | No | No | No | No | [Network Policy Server](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc732912(v=ws.11)) (NPS) role cannot be installed on client OS. | - -- 6272: Network Policy Server granted access to a user. - -- 6273: Network Policy Server denied access to a user. - -- 6274: Network Policy Server discarded the request for a user. - -- 6275: Network Policy Server discarded the accounting request for a user. - -- 6276: Network Policy Server quarantined a user. - -- 6277: Network Policy Server granted access to a user but put it on probation because the host did not meet the defined health policy. - -- 6278: Network Policy Server granted full access to a user because the host met the defined health policy. - -- 6279: Network Policy Server locked the user account due to repeated failed authentication attempts. - -- 6280: Network Policy Server unlocked the user account. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-non-sensitive-privilege-use.md b/windows/security/threat-protection/auditing/audit-non-sensitive-privilege-use.md deleted file mode 100644 index 937e8bc34c..0000000000 --- a/windows/security/threat-protection/auditing/audit-non-sensitive-privilege-use.md +++ /dev/null @@ -1,85 +0,0 @@ ---- -title: Audit Non-Sensitive Privilege Use -description: This article for the IT professional describes the Advanced Security Audit policy setting, Audit Non-Sensitive Privilege Use, which determines whether the operating system generates audit events when non-sensitive privileges (user rights) are used. -ms.assetid: 8fd74783-1059-443e-aa86-566d78606627 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Non-Sensitive Privilege Use - - -Audit Non-Sensitive Privilege Use contains events that show usage of non-sensitive privileges. This is the list of non-sensitive privileges: - -- Access Credential Manager as a trusted caller - -- Add workstations to domain - -- Adjust memory quotas for a process - -- Bypass traverse checking - -- Change the system time - -- Change the time zone - -- Create a page file - -- Create global objects - -- Create permanent shared objects - -- Create symbolic links - -- Force shutdown from a remote system - -- Increase a process working set - -- Increase scheduling priority - -- Lock pages in memory - -- Modify an object label - -- Perform volume maintenance tasks - -- Profile single process - -- Profile system performance - -- Remove computer from docking station - -- Shut down the system - -- Synchronize directory service data - -This subcategory also contains informational events from filesystem Transaction Manager. - -If you configure this policy setting, an audit event is generated when a non-sensitive privilege is called. Success audits record successful attempts, and failure audits record unsuccessful attempts. - -**Event volume**: Very High. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | IF | No | IF | We do not recommend Success auditing because the volume of events is very high and typically they are not as important as events from [Audit Sensitive Privilege Use](audit-sensitive-privilege-use.md) subcategory.
IF – You can enable Failure auditing if you need information about failed attempts to use non-sensitive privileges, for example, **SeShutdownPrivilege** or **SeRemoteShutdownPrivilege**. | -| Member Server | No | IF | No | IF | We do not recommend Success auditing because the volume of events is very high and typically they are not as important as events from [Audit Sensitive Privilege Use](audit-sensitive-privilege-use.md) subcategory.
IF – You can enable Failure auditing if you need information about failed attempts to use non-sensitive privileges, for example, **SeShutdownPrivilege** or **SeRemoteShutdownPrivilege**. | -| Workstation | No | IF | No | IF | We do not recommend Success auditing because the volume of events is very high and typically they are not as important as events from [Audit Sensitive Privilege Use](audit-sensitive-privilege-use.md) subcategory.
IF – You can enable Failure auditing if you need information about failed attempts to use non-sensitive privileges, for example, **SeShutdownPrivilege** or **SeRemoteShutdownPrivilege**. | - -**Events List:** - -- [4673](event-4673.md)(S, F): A privileged service was called. - -- [4674](event-4674.md)(S, F): An operation was attempted on a privileged object. - -- [4985](event-4985.md)(S): The state of a transaction has changed. - - - diff --git a/windows/security/threat-protection/auditing/audit-other-account-logon-events.md b/windows/security/threat-protection/auditing/audit-other-account-logon-events.md deleted file mode 100644 index 9b973c0b7b..0000000000 --- a/windows/security/threat-protection/auditing/audit-other-account-logon-events.md +++ /dev/null @@ -1,28 +0,0 @@ ---- -title: Audit Other Account Logon Events -description: The policy setting, Audit Other Account Logon Events allows you to audit events when generated by responses to credential requests for certain kinds of user logons. -ms.assetid: c8c6bfe0-33d2-4600-bb1a-6afa840d75b3 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Other Account Logon Events - -**General Subcategory Information:** - -This auditing subcategory does not contain any events. It is intended for future use. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | No | No | No | This auditing subcategory does not contain any events. Intended for future use, no reason to enable it. | -| Member Server | No | No | No | No | This auditing subcategory does not contain any events. Intended for future use, no reason to enable it. | -| Workstation | No | No | No | No | This auditing subcategory does not contain any events. Intended for future use, no reason to enable it. | - diff --git a/windows/security/threat-protection/auditing/audit-other-account-management-events.md b/windows/security/threat-protection/auditing/audit-other-account-management-events.md deleted file mode 100644 index 670cf6612d..0000000000 --- a/windows/security/threat-protection/auditing/audit-other-account-management-events.md +++ /dev/null @@ -1,41 +0,0 @@ ---- -title: Audit Other Account Management Events -description: The Advanced Security Audit policy setting, Audit Other Account Management Events, determines if user account management audit events are generated. -ms.assetid: 4ce22eeb-a96f-4cf9-a46d-6642961a31d5 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Other Account Management Events - - -Audit Other Account Management Events determines whether the operating system generates user account management audit events. - -**Event volume:** Typically Low on all types of computers. - -This subcategory allows you to audit next events: - -- The password hash of a user account was accessed. This happens during an Active Directory Management Tool password migration. - -- The Password Policy Checking API was called. Password Policy Checking API allows an application to check password compliance against an application-provided account database or single account and verify that passwords meet the complexity, aging, minimum length, and history reuse requirements of a password policy. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | The only reason to enable Success auditing on domain controllers is to monitor “[4782](event-4782.md)(S): The password hash of an account was accessed.”
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | No | No | No | No | The only event which is generated on Member Servers is “[4793](event-4793.md)(S): The Password Policy Checking API was called.”, this event is a typical information event with little to no security relevance.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | No | No | No | No | The only event which is generated on Workstations is “[4793](event-4793.md)(S): The Password Policy Checking API was called.”, this event is a typical information event with little to no security relevance.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4782](event-4782.md)(S): The password hash of an account was accessed. - -- [4793](event-4793.md)(S): The Password Policy Checking API was called. - diff --git a/windows/security/threat-protection/auditing/audit-other-logonlogoff-events.md b/windows/security/threat-protection/auditing/audit-other-logonlogoff-events.md deleted file mode 100644 index 86e40c99ae..0000000000 --- a/windows/security/threat-protection/auditing/audit-other-logonlogoff-events.md +++ /dev/null @@ -1,66 +0,0 @@ ---- -title: Audit Other Logon/Logoff Events -description: The Advanced Security Audit policy setting, Audit Other Logon/Logoff Events, determines if Windows generates audit events for other logon or logoff events. -ms.assetid: 76d987cd-1917-4907-a739-dd642609a458 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Other Logon/Logoff Events - - -Audit Other Logon/Logoff Events determines whether Windows generates audit events for other logon or logoff events. - -These other logon or logoff events include: - -- A Remote Desktop session connects or disconnects. - -- A workstation is locked or unlocked. - -- A screen saver is invoked or dismissed. - -- A replay attack is detected. This event indicates that a Kerberos request was received twice with identical information. This condition could also be caused by network misconfiguration. - -- A user is granted access to a wireless network. It can be either a user account or the computer account. - -- A user is granted access to a wired 802.1x network. It can be either a user account or the computer account. - -Logon events are essential to understanding user activity and detecting potential attacks. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | We recommend Success auditing, to track possible Kerberos replay attacks, terminal session connect and disconnect actions, network authentication events, and some other events. Volume of these events is typically very low.
Failure events will show you when requested credentials [CredSSP](/openspecs/windows_protocols/ms-cssp/85f57821-40bb-46aa-bfcb-ba9590b8fc30) delegation was disallowed by policy. The volume of these events is very low—typically you will not get any of these events. | -| Member Server | Yes | Yes | Yes | Yes | We recommend Success auditing, to track possible terminal session connect and disconnect actions, network authentication events, and some other events. Volume of these events is typically very low.
Failure events will show you when requested credentials [CredSSP](/openspecs/windows_protocols/ms-cssp/85f57821-40bb-46aa-bfcb-ba9590b8fc30) delegation was disallowed by policy. The volume of these events is very low—typically you will not get any of these events. | -| Workstation | Yes | Yes | Yes | Yes | We recommend Success auditing, to track possible terminal session connect and disconnect actions, network authentication events, and some other events. Volume of these events is typically very low.
Failure events will show you when requested credentials [CredSSP](/openspecs/windows_protocols/ms-cssp/85f57821-40bb-46aa-bfcb-ba9590b8fc30) delegation was disallowed by policy. The volume of these events is very low—typically you will not get any of these events. | - -**Events List:** - -- [4649](event-4649.md)(S): A replay attack was detected. - -- [4778](event-4778.md)(S): A session was reconnected to a Window Station. - -- [4779](event-4779.md)(S): A session was disconnected from a Window Station. - -- [4800](event-4800.md)(S): The workstation was locked. - -- [4801](event-4801.md)(S): The workstation was unlocked. - -- [4802](event-4802.md)(S): The screen saver was invoked. - -- [4803](event-4803.md)(S): The screen saver was dismissed. - -- [5378](event-5378.md)(F): The requested credentials delegation was disallowed by policy. - -- [5632](event-5632.md)(S): A request was made to authenticate to a wireless network. - -- [5633](event-5633.md)(S): A request was made to authenticate to a wired network. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-other-object-access-events.md b/windows/security/threat-protection/auditing/audit-other-object-access-events.md deleted file mode 100644 index 5807ad6849..0000000000 --- a/windows/security/threat-protection/auditing/audit-other-object-access-events.md +++ /dev/null @@ -1,55 +0,0 @@ ---- -title: Audit Other Object Access Events -description: The policy setting, Audit Other Object Access Events, determines if audit events are generated for the management of Task Scheduler jobs or COM+ objects. -ms.assetid: b9774595-595d-4199-b0c5-8dbc12b6c8b2 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Other Object Access Events - - -Audit Other Object Access Events allows you to monitor operations with scheduled tasks, COM+ objects and indirect object access requests. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | We recommend Success auditing first of all because of scheduled tasks events.
We recommend Failure auditing to get events about possible ICMP DoS attack. | -| Member Server | Yes | Yes | Yes | Yes | We recommend Success auditing first of all because of scheduled tasks events.
We recommend Failure auditing to get events about possible ICMP DoS attack. | -| Workstation | Yes | Yes | Yes | Yes | We recommend Success auditing first of all because of scheduled tasks events.
We recommend Failure auditing to get events about possible ICMP DoS attack. | - -**Events List:** - -- [4671](event-4671.md)(-): An application attempted to access a blocked ordinal through the TBS. - -- [4691](event-4691.md)(S): Indirect access to an object was requested. - -- [5148](event-5148.md)(F): The Windows Filtering Platform has detected a DoS attack and entered a defensive mode; packets associated with this attack will be discarded. - -- [5149](event-5149.md)(F): The DoS attack has subsided and normal processing is being resumed. - -- [4698](event-4698.md)(S): A scheduled task was created. - -- [4699](event-4699.md)(S): A scheduled task was deleted. - -- [4700](event-4700.md)(S): A scheduled task was enabled. - -- [4701](event-4701.md)(S): A scheduled task was disabled. - -- [4702](event-4702.md)(S): A scheduled task was updated. - -- [5888](event-5888.md)(S): An object in the COM+ Catalog was modified. - -- [5889](event-5889.md)(S): An object was deleted from the COM+ Catalog. - -- [5890](event-5890.md)(S): An object was added to the COM+ Catalog. - diff --git a/windows/security/threat-protection/auditing/audit-other-policy-change-events.md b/windows/security/threat-protection/auditing/audit-other-policy-change-events.md deleted file mode 100644 index b05830fca8..0000000000 --- a/windows/security/threat-protection/auditing/audit-other-policy-change-events.md +++ /dev/null @@ -1,63 +0,0 @@ ---- -title: Audit Other Policy Change Events -description: The policy setting, Audit Other Policy Change Events, determines if audit events are generated for security policy changes that are not otherwise audited. -ms.assetid: 8618502e-c21c-41cc-8a49-3dc1eb359e60 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Other Policy Change Events - - -Audit Other Policy Change Events contains events about EFS Data Recovery Agent policy changes, changes in Windows Filtering Platform filter, status on Security policy settings updates for local Group Policy settings, Central Access Policy changes, and detailed troubleshooting events for Cryptographic Next Generation (CNG) operations. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | Yes | IF | Yes | IF - We do not recommend Success auditing because of event “5447: A Windows Filtering Platform filter has been changed”—this event generates many times during group policy updates and typically is used for troubleshooting purposes for Windows Filtering Platform filters. But you would still need to enable Success auditing for this subcategory if, for example, you must monitor changes in Boot Configuration Data or Central Access Policies.
We recommend Failure auditing, to detect errors in applied Security settings which came from Group Policy, and failure events related to Cryptographic Next Generation (CNG) functions. | -| Member Server | IF | Yes | IF | Yes | IF - We do not recommend Success auditing because of event “5447: A Windows Filtering Platform filter has been changed”—this event generates many times during group policy updates and typically is used for troubleshooting purposes for Windows Filtering Platform filters. But you would still need to enable Success auditing for this subcategory if, for example, you must monitor changes in Boot Configuration Data or Central Access Policies.
We recommend Failure auditing, to detect errors in applied Security settings which came from Group Policy, and failure events related to Cryptographic Next Generation (CNG) functions. | -| Workstation | IF | Yes | IF | Yes | IF - We do not recommend Success auditing because of event “5447: A Windows Filtering Platform filter has been changed”—this event generates many times during group policy updates and typically is used for troubleshooting purposes for Windows Filtering Platform filters. But you would still need to enable Success auditing for this subcategory if, for example, you must monitor changes in Boot Configuration Data or Central Access Policies.
We recommend Failure auditing, to detect errors in applied Security settings which came from Group Policy, and failure events related to Cryptographic Next Generation (CNG) functions. | - -**Events List:** - -- [4714](event-4714.md)(S): Encrypted data recovery policy was changed. - -- [4819](event-4819.md)(S): Central Access Policies on the machine have been changed. - -- [4826](event-4826.md)(S): Boot Configuration Data loaded. - -- [4909](event-4909.md)(-): The local policy settings for the TBS were changed. - -- [4910](event-4910.md)(-): The group policy settings for the TBS were changed. - -- [5063](event-5063.md)(S, F): A cryptographic provider operation was attempted. - -- [5064](event-5064.md)(S, F): A cryptographic context operation was attempted. - -- [5065](event-5065.md)(S, F): A cryptographic context modification was attempted. - -- [5066](event-5066.md)(S, F): A cryptographic function operation was attempted. - -- [5067](event-5067.md)(S, F): A cryptographic function modification was attempted. - -- [5068](event-5068.md)(S, F): A cryptographic function provider operation was attempted. - -- [5069](event-5069.md)(S, F): A cryptographic function property operation was attempted. - -- [5070](event-5070.md)(S, F): A cryptographic function property modification was attempted. - -- [5447](event-5447.md)(S): A Windows Filtering Platform filter has been changed. - -- [6144](event-6144.md)(S): Security policy in the group policy objects has been applied successfully. - -- [6145](event-6145.md)(F): One or more errors occurred while processing security policy in the group policy objects. - diff --git a/windows/security/threat-protection/auditing/audit-other-privilege-use-events.md b/windows/security/threat-protection/auditing/audit-other-privilege-use-events.md deleted file mode 100644 index 123145fdaf..0000000000 --- a/windows/security/threat-protection/auditing/audit-other-privilege-use-events.md +++ /dev/null @@ -1,32 +0,0 @@ ---- -title: Audit Other Privilege Use Events -description: Learn about the audit other privilege use events, an auditing subcategory that should not have any events in it but enables generation of event 4985(S). -ms.assetid: 5f7f5b25-42a6-499f-8aa2-01ac79a2a63c -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Other Privilege Use Events - - -This auditing subcategory should not have any events in it, but for some reason Success auditing will enable the generation of event [4985(S): The state of a transaction has changed](/windows/security/threat-protection/auditing/event-4985). - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------| -| Domain Controller | No | No | No | No | This auditing subcategory doesn’t have any informative events inside. | -| Member Server | No | No | No | No | This auditing subcategory doesn’t have any informative events inside. | -| Workstation | No | No | No | No | This auditing subcategory doesn’t have any informative events inside. | - -**Events List:** - -- [4985](event-4985.md)(S): The state of a transaction has changed. - - diff --git a/windows/security/threat-protection/auditing/audit-other-system-events.md b/windows/security/threat-protection/auditing/audit-other-system-events.md deleted file mode 100644 index 5472834fd9..0000000000 --- a/windows/security/threat-protection/auditing/audit-other-system-events.md +++ /dev/null @@ -1,89 +0,0 @@ ---- -title: Audit Other System Events -description: The Advanced Security Audit policy setting, Audit Other System Events, determines if the operating system audits various system events. -ms.assetid: 2401e4cc-d94e-41ec-82a7-e10914295f8b -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Other System Events - - -Audit Other System Events contains Windows Firewall Service and Windows Firewall driver start and stop events, failure events for these services and Windows Firewall Service policy processing failures. - -Audit Other System Events determines whether the operating system audits various system events. - -The system events in this category include: - -- Startup and shutdown of the Windows Firewall service and driver. - -- Security policy processing by the Windows Firewall service. - -- Cryptography key file and migration operations. - -- BranchCache events. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | We recommend enabling Success and Failure auditing because you will be able to get Windows Firewall Service and Windows Firewall Driver status events. | -| Member Server | Yes | Yes | Yes | Yes | We recommend enabling Success and Failure auditing because you will be able to get Windows Firewall Service and Windows Firewall Driver status events. | -| Workstation | Yes | Yes | Yes | Yes | We recommend enabling Success and Failure auditing because you will be able to get Windows Firewall Service and Windows Firewall Driver status events. | - -**Events List:** - -- [5024](event-5024.md)(S): The Windows Firewall Service has started successfully. - -- [5025](event-5025.md)(S): The Windows Firewall Service has been stopped. - -- [5027](event-5027.md)(F): The Windows Firewall Service was unable to retrieve the security policy from the local storage. The service will continue enforcing the current policy. - -- [5028](event-5028.md)(F): The Windows Firewall Service was unable to parse the new security policy. The service will continue with currently enforced policy. - -- [5029](event-5029.md)(F): The Windows Firewall Service failed to initialize the driver. The service will continue to enforce the current policy. - -- [5030](event-5030.md)(F): The Windows Firewall Service failed to start. - -- [5032](event-5032.md)(F): Windows Firewall was unable to notify the user that it blocked an application from accepting incoming connections on the network. - -- [5033](event-5033.md)(S): The Windows Firewall Driver has started successfully. - -- [5034](event-5034.md)(S): The Windows Firewall Driver was stopped. - -- [5035](event-5035.md)(F): The Windows Firewall Driver failed to start. - -- [5037](event-5037.md)(F): The Windows Firewall Driver detected critical runtime error. Terminating. - -- [5058](event-5058.md)(S, F): Key file operation. - -- [5059](event-5059.md)(S, F): Key migration operation. - -- [6400](event-6400.md)(-): BranchCache: Received an incorrectly formatted response while discovering availability of content. - -- [6401](event-6401.md)(-): BranchCache: Received invalid data from a peer. Data discarded. - -- [6402](event-6402.md)(-): BranchCache: The message to the hosted cache offering it data is incorrectly formatted. - -- [6403](event-6403.md)(-): BranchCache: The hosted cache sent an incorrectly formatted response to the client. - -- [6404](event-6404.md)(-): BranchCache: Hosted cache could not be authenticated using the provisioned SSL certificate. - -- [6405](event-6405.md)(-): BranchCache: %2 instance(s) of event id %1 occurred. - -- [6406](event-6406.md)(-): %1 registered to Windows Firewall to control filtering for the following: %2 - -- [6407](event-6407.md)(-): 1% - -- [6408](event-6408.md)(-): Registered product %1 failed and Windows Firewall is now controlling the filtering for %2 - -- [6409](event-6408.md)(-): BranchCache: A service connection point object could not be parsed. - diff --git a/windows/security/threat-protection/auditing/audit-pnp-activity.md b/windows/security/threat-protection/auditing/audit-pnp-activity.md deleted file mode 100644 index bd82df1b1e..0000000000 --- a/windows/security/threat-protection/auditing/audit-pnp-activity.md +++ /dev/null @@ -1,47 +0,0 @@ ---- -title: Audit PNP Activity -description: The advanced security audit policy setting, Audit PNP Activity, determines when plug and play detects an external device. -ms.assetid: A3D87B3B-EBBE-442A-953B-9EB75A5F600E -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit PNP Activity - - -Audit PNP Activity determines when Plug and Play detects an external device. - -A PnP audit event can be used to track down changes in system hardware and will be logged on the machine where the change took place. For example, when a keyboard is plugged into a computer, a PnP event is triggered. - -**Event volume**: Varies, depending on how the computer is used. Typically Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | This subcategory will help identify when and which Plug and Play device was attached, enabled, disabled or restricted by device installation policy.
You can track, for example, whether a USB flash drive or stick was attached to a domain controller, which is typically not allowed.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | Yes | No | Yes | No | This subcategory will help identify when and which Plug and Play device was attached, enabled, disabled or restricted by device installation policy.
You can track, for example, whether a USB flash drive or stick was attached to a critical server, which is typically not allowed.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | Yes | No | Yes | No | This subcategory will help identify when and which Plug and Play device was attached, enabled, disabled or restricted by device installation policy.
You can track, for example, whether a USB flash drive or stick was attached to an administrative workstation or VIP workstation.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [6416](event-6416.md)(S): A new external device was recognized by the System - -- [6419](event-6419.md)(S): A request was made to disable a device - -- [6420](event-6420.md)(S): A device was disabled. - -- [6421](event-6421.md)(S): A request was made to enable a device. - -- [6422](event-6422.md)(S): A device was enabled. - -- [6423](event-6423.md)(S): The installation of this device is forbidden by system policy. - -- [6424](event-6424.md)(S): The installation of this device was allowed, after having previously been forbidden by policy. - diff --git a/windows/security/threat-protection/auditing/audit-process-creation.md b/windows/security/threat-protection/auditing/audit-process-creation.md deleted file mode 100644 index c19e613f2c..0000000000 --- a/windows/security/threat-protection/auditing/audit-process-creation.md +++ /dev/null @@ -1,39 +0,0 @@ ---- -title: Audit Process Creation -description: The Advanced Security Audit policy setting, Audit Process Creation, determines if audit events are generated when a process is created (starts). -ms.assetid: 67e39fcd-ded6-45e8-b1b6-d411e4e93019 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 03/16/2022 -ms.topic: reference ---- - -# Audit Process Creation - - -Audit Process Creation determines whether the operating system generates audit events when a process is created (starts). - -These audit events can help you track user activity and understand how a computer is being used. Information includes the name of the program or the user that created the process. - -**Event volume**: Medium to High, depending on the process activity on the computer. - -This subcategory allows you to audit events generated when a process is created or starts. The name of the application and user that created the process is also audited. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | It is typically useful to collect Success auditing information for this subcategory for forensic investigations, to find information who, when and with which options\\parameters ran specific process.
Additionally, you can analyse process creation events for elevated credentials use, potential malicious process names and so on.
The event volume is typically medium-high level, depending on the process activity on the computer.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | Yes | No | Yes | No | It is typically useful to collect Success auditing information for this subcategory for forensic investigations, to find information who, when and with which options\\parameters ran specific process.
Additionally, you can analyse process creation events for elevated credentials use, potential malicious process names and so on.
The event volume is typically medium-high level, depending on the process activity on the computer.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | Yes | No | Yes | No | It is typically useful to collect Success auditing information for this subcategory for forensic investigations, to find information who, when and with which options\\parameters ran specific process.
Additionally, you can analyse process creation events for elevated credentials use, potential malicious process names and so on.
The event volume is typically medium-high level, depending on the process activity on the computer.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4688](event-4688.md)(S): A new process has been created. - -- [4696](event-4696.md)(S): A primary token was assigned to process. - diff --git a/windows/security/threat-protection/auditing/audit-process-termination.md b/windows/security/threat-protection/auditing/audit-process-termination.md deleted file mode 100644 index 0ecd8f1351..0000000000 --- a/windows/security/threat-protection/auditing/audit-process-termination.md +++ /dev/null @@ -1,37 +0,0 @@ ---- -title: Audit Process Termination -description: The Advanced Security Audit policy setting, Audit Process Termination, determines if audit events are generated when an attempt is made to end a process. -ms.assetid: 65d88e53-14aa-48a4-812b-557cebbf9e50 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Process Termination - - -Audit Process Termination determines whether the operating system generates audit events when process has exited. - -Success audits record successful attempts and Failure audits record unsuccessful attempts. - -This policy setting can help you track user activity and understand how the computer is used. - -**Event volume**: Low to Medium, depending on system usage. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | No | No | IF | No | IF - This subcategory typically is not as important as [Audit Process Creation](audit-process-creation.md) subcategory. Using this subcategory you can, for example get information about for how long process was run in correlation with [4688](event-4688.md) event.
If you have a list of critical processes that run on some computers, you can enable this subcategory to monitor for termination of these critical processes.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | No | No | IF | No | IF - This subcategory typically is not as important as [Audit Process Creation](audit-process-creation.md) subcategory. Using this subcategory you can, for example get information about for how long process was run in correlation with [4688](event-4688.md) event.
If you have a list of critical processes that run on some computers, you can enable this subcategory to monitor for termination of these critical processes.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | No | No | IF | No | IF - This subcategory typically is not as important as [Audit Process Creation](audit-process-creation.md) subcategory. Using this subcategory you can, for example get information about for how long process was run in correlation with [4688](event-4688.md) event.
If you have a list of critical processes that run on some computers, you can enable this subcategory to monitor for termination of these critical processes.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4689](event-4689.md)(S): A process has exited. - diff --git a/windows/security/threat-protection/auditing/audit-registry.md b/windows/security/threat-protection/auditing/audit-registry.md deleted file mode 100644 index a4cea25938..0000000000 --- a/windows/security/threat-protection/auditing/audit-registry.md +++ /dev/null @@ -1,52 +0,0 @@ ---- -title: Audit Registry -description: The Advanced Security Audit policy setting, Audit Registry, determines if audit events are generated when users attempt to access registry objects. -ms.assetid: 02bcc23b-4823-46ac-b822-67beedf56b32 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 01/05/2021 -ms.topic: reference ---- - -# Audit Registry - - -Audit Registry allows you to audit attempts to access registry objects. A security audit event is generated only for objects that have system access control lists ([SACL](/windows/win32/secauthz/access-control-lists)s) specified, and only if the type of access requested, such as Read, Write, or Modify, and the account making the request match the settings in the SACL. - -If success auditing is enabled, an audit entry is generated each time any account successfully accesses a registry object that has a matching SACL. If failure auditing is enabled, an audit entry is generated each time any user unsuccessfully attempts to access a registry object that has a matching SACL. - -**Event volume**: Low to Medium, depending on how registry SACLs are configured. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | IF | IF | IF | We strongly recommend that you develop a Registry Objects Security Monitoring policy and define appropriate [SACL](/windows/win32/secauthz/access-control-lists)s for registry objects for different operating system templates and roles. Do not enable this subcategory if you have not planned how to use and analyze the collected information. It is also important to delete non-effective, excess [SACL](/windows/win32/secauthz/access-control-lists)s. Otherwise the auditing log will be overloaded with useless information.
Failure events can show you unsuccessful attempts to access specific registry objects.
Consider enabling this subcategory for critical computers first, after you develop a Registry Objects Security Monitoring policy for them. | -| Member Server | IF | IF | IF | IF | | -| Workstation | IF | IF | IF | IF | | - -**Events List:** - -- [4663](event-4663.md)(S): An attempt was made to access an object. - -- [4656](event-4656.md)(S, F): A handle to an object was requested. - -- [4658](event-4658.md)(S): The handle to an object was closed. - -- [4660](event-4660.md)(S): An object was deleted. - -- [4657](event-4657.md)(S): A registry value was modified. - -- [5039](event-5039.md)(-): A registry key was virtualized. - -- [4670](event-4670.md)(S): Permissions on an object were changed. - - -> [!NOTE] -> On creating a subkey for a parent (RegCreateKey), the expectation is to see an event for opening a handle for the newly created object (event 4656) issued by the object manager. You will see this event only when "Audit Object Access" is enabled under **Local Policies** > **Audit Policy** in Local Security Policy. This event is not generated while using precisely defined settings for seeing only registry-related events under **Advanced Audit Policy Configurations** > **Object Access** > **Audit Registry** in Local Security Policy. For example, you will not see this event with the setting to just see the registry-related auditing events using "auditpol.exe /set /subcategory:{0CCE921E-69AE-11D9-BED3-505054503030} /success:enable". This behavior is expected only on later versions of the operating system (Windows 11, Windows Server 2022, and later). On previous versions, 4656 events are not generated during subkey creation. -> -> Calls to Registry APIs to access an open key object to perform an operation such as RegSetValue, RegEnumValue, and RegRenameKey would trigger an event to access the object (event 4663). For example, creating a subkey using regedit.exe would not trigger a 4663 event, but renaming it would. diff --git a/windows/security/threat-protection/auditing/audit-removable-storage.md b/windows/security/threat-protection/auditing/audit-removable-storage.md deleted file mode 100644 index 5ef92d1b38..0000000000 --- a/windows/security/threat-protection/auditing/audit-removable-storage.md +++ /dev/null @@ -1,34 +0,0 @@ ---- -title: Audit Removable Storage -description: The Advanced Security Audit policy setting, Audit Removable Storage, determines when there is a read or a write to a removable drive. -ms.assetid: 1746F7B3-8B41-4661-87D8-12F734AFFB26 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Removable Storage - - -Audit Removable Storage allows you to audit user attempts to access file system objects on a removable storage device. A security audit event is generated for all objects and all types of access requested, with no dependency on object’s [SACL](/windows/win32/secauthz/access-control-lists). - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | This subcategory will help identify when and which files or folders were accessed or modified on removable devices.
It is often useful to track actions with removable storage devices and the files or folders on them, because malicious software very often uses removable devices as a method to get into the system. At the same time, you will be able to track which files were written or executed from a removable storage device.
You can track, for example, actions with files or folders on USB flash drives or sticks that were inserted into domain controllers or high value servers, which is typically not allowed.
We recommend Failure auditing to track failed access attempts. | -| Member Server | Yes | Yes | Yes | Yes | | -| Workstation | Yes | Yes | Yes | Yes | | - -**Events List:** - -- [4656](event-4656.md)(S, F): A handle to an object was requested. - -- [4658](event-4658.md)(S): The handle to an object was closed. - -- [4663](event-4663.md)(S): An attempt was made to access an object. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-rpc-events.md b/windows/security/threat-protection/auditing/audit-rpc-events.md deleted file mode 100644 index b5dd671672..0000000000 --- a/windows/security/threat-protection/auditing/audit-rpc-events.md +++ /dev/null @@ -1,31 +0,0 @@ ---- -title: Audit RPC Events -description: Audit RPC Events is an audit policy setting that determines if audit events are generated when inbound remote procedure call (RPC) connections are made. -ms.assetid: 868aec2d-93b4-4bc8-a150-941f88838ba6 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit RPC Events - - -Audit RPC Events determines whether the operating system generates audit events when inbound remote procedure call (RPC) connections are made. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|------------------------------------------| -| Domain Controller | No | No | No | No | Events in this subcategory occur rarely. | -| Member Server | No | No | No | No | Events in this subcategory occur rarely. | -| Workstation | No | No | No | No | Events in this subcategory occur rarely. | - -**Events List:** - -- [5712](event-5712.md)(S): A Remote Procedure Call (RPC) was attempted. - diff --git a/windows/security/threat-protection/auditing/audit-sam.md b/windows/security/threat-protection/auditing/audit-sam.md deleted file mode 100644 index c0253c800f..0000000000 --- a/windows/security/threat-protection/auditing/audit-sam.md +++ /dev/null @@ -1,52 +0,0 @@ ---- -title: Audit SAM -description: The Advanced Security Audit policy setting, Audit SAM, enables you to audit events generated by attempts to access Security Account Manager (SAM) objects. -ms.assetid: 1d00f955-383d-4c95-bbd1-fab4a991a46e -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit SAM - - -Audit SAM, which enables you to audit events that are generated by attempts to access Security Account Manager ([SAM](/previous-versions/windows/it-pro/windows-server-2003/cc756748(v=ws.10))) objects. - -The Security Account Manager (SAM) is a database that is present on computers running Windows operating systems that stores user accounts and security descriptors for users on the local computer. - -- SAM objects include the following: - -- SAM\_ALIAS: A local group - -- SAM\_GROUP: A group that is not a local group - -- SAM\_USER: A user account - -- SAM\_DOMAIN: A domain - -- SAM\_SERVER: A computer account - -If you configure this policy setting, an audit event is generated when a SAM object is accessed. Success audits record successful attempts, and failure audits record unsuccessful attempts. - -Only a [SACL](/windows/win32/secauthz/access-control-lists) for SAM\_SERVER can be modified. - -Changes to user and group objects are tracked by the Account Management audit category. However, user accounts with enough privileges could potentially alter the files in which the account and password information is stored in the system, bypassing any Account Management events. - -**Event volume**: High on domain controllers. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | - | - | - | - | There is no recommendation for this subcategory in this document, unless you know exactly what you need to monitor at [Security Account Manager](/previous-versions/windows/it-pro/windows-server-2003/cc756748(v=ws.10)) level. | -| Member Server | - | - | - | - | There is no recommendation for this subcategory in this document, unless you know exactly what you need to monitor at [Security Account Manager](/previous-versions/windows/it-pro/windows-server-2003/cc756748(v=ws.10)) level. | -| Workstation | - | - | - | - | There is no recommendation for this subcategory in this document, unless you know exactly what you need to monitor at [Security Account Manager](/previous-versions/windows/it-pro/windows-server-2003/cc756748(v=ws.10)) level. | - -**Events List:** - -- [4661](event-4661.md)(S, F): A handle to an object was requested. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-security-group-management.md b/windows/security/threat-protection/auditing/audit-security-group-management.md deleted file mode 100644 index ce479065a5..0000000000 --- a/windows/security/threat-protection/auditing/audit-security-group-management.md +++ /dev/null @@ -1,102 +0,0 @@ ---- -title: Audit Security Group Management -description: The policy setting, Audit Security Group Management, determines if audit events are generated when specific security group management tasks are performed. -ms.assetid: ac2ee101-557b-4c84-b9fa-4fb23331f1aa -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Security Group Management - - -Audit Security Group Management determines whether the operating system generates audit events when specific security group management tasks are performed. - -**Event volume**: Low. - -This subcategory allows you to audit events generated by changes to security groups such as the following: - -- Security group is created, changed, or deleted. - -- Member is added or removed from a security group. - -- Group type is changed. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------| -| Domain Controller | Yes | No | Yes | No | We recommend Success auditing of security groups, to see new group creation events, changes and deletion of critical groups. Also you will get information about new members of security groups, when a member was removed from a group and when security group membership was enumerated.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | Yes | No | Yes | No | We recommend Success auditing of security groups, to see new group creation events, changes and deletion of critical groups. Also you will get information about new members of security groups, when a member was removed from a group and when security group membership was enumerated.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | Yes | No | Yes | No | We recommend Success auditing of security groups, to see new group creation events, changes and deletion of critical groups. Also you will get information about new members of security groups, when a member was removed from a group and when security group membership was enumerated.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4731](event-4731.md)(S): A security-enabled local group was created. - -- [4732](event-4732.md)(S): A member was added to a security-enabled local group. - -- [4733](event-4733.md)(S): A member was removed from a security-enabled local group. - -- [4734](event-4734.md)(S): A security-enabled local group was deleted. - -- [4735](event-4735.md)(S): A security-enabled local group was changed. - -- [4764](event-4764.md)(S): A group’s type was changed. - -- [4799](event-4799.md)(S): A security-enabled local group membership was enumerated. - -- 4727(S): A security-enabled global group was created. See event _[4731](event-4731.md): A security-enabled local group was created._ Event 4727 is the same, but it is generated for a **global** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4727(S) generates only for domain groups, so the Local sections in event [4731](event-4731.md) do not apply. - -- 4737(S): A security-enabled global group was changed. See event _[4735](event-4735.md): A security-enabled local group was changed._ Event 4737 is the same, but it is generated for a **global** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4737(S) generates only for domain groups, so the Local sections in event [4735](event-4735.md) do not apply. - -- 4728(S): A member was added to a security-enabled global group. See event _[4732](event-4732.md): A member was added to a security-enabled local group._ Event 4728 is the same, but it is generated for a **global** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4728(S) generates only for domain groups, so the Local sections in event [4732](event-4732.md) do not apply. - -- 4729(S): A member was removed from a security-enabled global group. See event _[4733](event-4733.md): A member was removed from a security-enabled local group._ Event 4729 is the same, but it is generated for a **global** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4729(S) generates only for domain groups, so the Local sections in event [4733](event-4733.md) do not apply. - -- 4730(S): A security-enabled global group was deleted. See event _[4734](event-4734.md): A security-enabled local group was deleted._ Event 4730 is the same, but it is generated for a **global** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4730(S) generates only for domain groups, so the Local sections in event [4734](event-4734.md) do not apply. - -- 4754(S): A security-enabled universal group was created. See event _[4731](event-4731.md): A security-enabled local group was created._ Event 4754 is the same, but it is generated for a **universal** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4754(S) generates only for domain groups, so the Local sections in event [4731](event-4731.md) do not apply. - -- 4755(S): A security-enabled universal group was changed. See event _[4735](event-4735.md): A security-enabled local group was changed._ Event 4755 is the same, but it is generated for a **universal** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4755(S) generates only for domain groups, so the Local sections in event [4735](event-4735.md) do not apply. - -- 4756(S): A member was added to a security-enabled universal group. See event _[4732](event-4732.md): A member was added to a security-enabled local group._ Event 4756 is the same, but it is generated for a **universal** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4756(S) generates only for domain groups, so the Local sections in event [4732](event-4732.md) do not apply. - -- 4757(S): A member was removed from a security-enabled universal group. See event _[4733](event-4733.md): A member was removed from a security-enabled local group._ Event 4757 is the same, but it is generated for a **universal** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - > [!IMPORTANT] - > Event 4757(S) generates only for domain groups, so the Local sections in event [4733](event-4733.md) do not apply. - -- 4758(S): A security-enabled universal group was deleted. See event _[4734](event-4734.md): A security-enabled local group was deleted._ Event 4758 is the same, but it is generated for a **universal** security group instead of a **local** security group. All event fields, XML, and recommendations are the same. The type of group is the only difference. - - >[!IMPORTANT] - > Event 4758(S) generates only for domain groups, so the Local sections in event [4734](event-4734.md) do not apply. diff --git a/windows/security/threat-protection/auditing/audit-security-state-change.md b/windows/security/threat-protection/auditing/audit-security-state-change.md deleted file mode 100644 index c1a71e863e..0000000000 --- a/windows/security/threat-protection/auditing/audit-security-state-change.md +++ /dev/null @@ -1,40 +0,0 @@ ---- -title: Audit Security State Change -description: The policy setting, Audit Security State Change, which determines whether Windows generates audit events for changes in the security state of a system. -ms.assetid: decb3218-a67d-4efa-afc0-337c79a89a2d -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Security State Change - - -Audit Security State Change contains Windows startup, recovery, and shutdown events, and information about changes in system time. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | The volume of events in this subcategory is very low and all of them are important events and have security relevance.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | Yes | No | Yes | No | The volume of events in this subcategory is very low and all of them are important events and have security relevance.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | Yes | No | Yes | No | The volume of events in this subcategory is very low and all of them are important events and have security relevance.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4608](event-4608.md)(S): Windows is starting up. - -- [4616](event-4616.md)(S): The system time was changed. - -- [4621](event-4621.md)(S): Administrator recovered system from CrashOnAuditFail. - ->[!NOTE] ->Event **4609(S): Windows is shutting down** doesn't currently generate. It is a defined event, but it is never invoked by the operating system. - diff --git a/windows/security/threat-protection/auditing/audit-security-system-extension.md b/windows/security/threat-protection/auditing/audit-security-system-extension.md deleted file mode 100644 index a058f09795..0000000000 --- a/windows/security/threat-protection/auditing/audit-security-system-extension.md +++ /dev/null @@ -1,49 +0,0 @@ ---- -title: Audit Security System Extension -description: The Advanced Security Audit policy setting, Audit Security System Extension, determines if audit events related to security system extensions are generated. -ms.assetid: 9f3c6bde-42b2-4a0a-b353-ed3106ebc005 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Security System Extension - - -Audit Security System Extension contains information about the loading of an authentication package, notification package, or security package, plus information about trusted logon process registration events. - -Changes to security system extensions in the operating system include the following activities: - -- Security extension code is loaded (for example, an authentication, notification, or security package). Security extension code registers with the Local Security Authority and will be used and trusted to authenticate logon attempts, submit logon requests, and be notified of any account or password changes. Examples of this extension code are Security Support Providers, such as Kerberos and NTLM. - -- A service is installed. An audit log is generated when a service is registered with the Service Control Manager. The audit log contains information about the service name, binary, type, start type, and service account. - -Attempts to install or load security system extensions or services are critical system events that could indicate a security breach. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | The main reason why we recommend Success auditing for this subcategory is “[4697](event-4697.md)(S): A service was installed in the system.”
For other events, we strongly recommend monitoring an allowlist of allowed security extensions (authenticated packages, logon processes, notification packages, and security packages). Otherwise it's hard to pull useful information from these events, except event 4611 which typically should have “SYSTEM” as value for **“Subject”** field.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | Yes | No | Yes | No | The main reason why we recommend Success auditing for this subcategory is “[4697](event-4697.md)(S): A service was installed in the system.”
For other events, we strongly recommend monitoring an allowlist of allowed security extensions (authenticated packages, logon processes, notification packages, and security packages). Otherwise it's hard to pull useful information from these events, except event 4611 which typically should display “SYSTEM” for the **“Subject”** field.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | Yes | No | Yes | No | The main reason why we recommend Success auditing for this subcategory is “[4697](event-4697.md)(S): A service was installed in the system.”
For other events, we strongly recommend monitoring an allowlist of allowed security extensions (authenticated packages, logon processes, notification packages, and security packages). Otherwise it's hard to pull useful information from these events, except event 4611 which typically should display “SYSTEM” for the **“Subject”** field.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4610](event-4610.md)(S): An authentication package has been loaded by the Local Security Authority. - -- [4611](event-4611.md)(S): A trusted logon process has been registered with the Local Security Authority. - -- [4614](event-4614.md)(S): A notification package has been loaded by the Security Account Manager. - -- [4622](event-4622.md)(S): A security package has been loaded by the Local Security Authority. - -- [4697](event-4697.md)(S): A service was installed in the system. - diff --git a/windows/security/threat-protection/auditing/audit-sensitive-privilege-use.md b/windows/security/threat-protection/auditing/audit-sensitive-privilege-use.md deleted file mode 100644 index 3f5fa3f97d..0000000000 --- a/windows/security/threat-protection/auditing/audit-sensitive-privilege-use.md +++ /dev/null @@ -1,71 +0,0 @@ ---- -title: Audit Sensitive Privilege Use -description: The policy setting, Audit Sensitive Privilege Use, determines if the operating system generates audit events when sensitive privileges (user rights) are used. -ms.assetid: 915abf50-42d2-45f6-9fd1-e7bd201b193d -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Sensitive Privilege Use - - -Audit Sensitive Privilege Use contains events that show the usage of sensitive privileges. This is the list of sensitive privileges: - -- Act as part of the operating system - -- Back up files and directories - -- Restore files and directories - -- Create a token object - -- Debug programs - -- Enable computer and user accounts to be trusted for delegation - -- Generate security audits - -- Impersonate a client after authentication - -- Load and unload device drivers - -- Manage auditing and security log - -- Modify firmware environment values - -- Replace a process-level token - -- Take ownership of files or other objects - -The use of two privileges, “Back up files and directories” and “Restore files and directories,” generate events only if the “[Audit: Audit the use of Backup and Restore privilege](/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/jj852206(v=ws.11))” Group Policy setting is enabled on the computer or device. We do not recommend enabling this Group Policy setting because of the high number of events recorded. - -This subcategory also contains informational events from the file system Transaction Manager. - -If you configure this policy setting, an audit event is generated when sensitive privilege requests are made. Success audits record successful attempts, and failure audits record unsuccessful attempts. - -**Event volume**: High. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | We recommend tracking Success and Failure for this subcategory of events, especially if the sensitive privileges were used by a user account. | -| Member Server | Yes | Yes | Yes | Yes | We recommend tracking Success and Failure for this subcategory of events, especially if the sensitive privileges were used by a user account. | -| Workstation | Yes | Yes | Yes | Yes | We recommend tracking Success and Failure for this subcategory of events, especially if the sensitive privileges were used by a user account. | - -**Events List:** - -- [4673](event-4673.md)(S, F): A privileged service was called. - -- [4674](event-4674.md)(S, F): An operation was attempted on a privileged object. - -- [4985](event-4985.md)(S): The state of a transaction has changed. - ->[!NOTE] -> The event “[4985](event-4985.md)(S): The state of a transaction has changed" from [Audit File System](audit-file-system.md) subcategory also generates in this subcategory. See description of event [4985](event-4985.md) in [Audit File System](audit-file-system.md) subcategory. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-special-logon.md b/windows/security/threat-protection/auditing/audit-special-logon.md deleted file mode 100644 index 291c011a68..0000000000 --- a/windows/security/threat-protection/auditing/audit-special-logon.md +++ /dev/null @@ -1,45 +0,0 @@ ---- -title: Audit Special Logon -description: The Advanced Security Audit policy setting, Audit Special Logon, determines if audit events are generated under special sign in (or logon) circumstances. -ms.assetid: e1501bac-1d09-4593-8ebb-f311231567d3 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit Special Logon - - -Audit Special Logon determines whether the operating system generates audit events under special sign on (or log on) circumstances. - -This subcategory allows you to audit events generated by special logons such as the following: - -- The use of a special logon, which is a logon that has administrator-equivalent privileges and can be used to elevate a process to a higher level. - -- A logon by a member of a Special Group. Special Groups enable you to audit events generated when a member of a certain group has logged on to your network. You can configure a list of group security identifiers (SIDs) in the registry. If any of those SIDs are added to a token during logon and the subcategory is enabled, an event is logged. - -**Event volume**: - -- Low on a client computer. - -- Medium on a domain controllers or network servers. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | No | Yes | No | This subcategory is very important because of [Special Groups](https://techcommunity.microsoft.com/t5/ask-the-directory-services-team/special-groups-auditing-via-group-policy-preferences/ba-p/395095) related events, you must enable this subcategory for Success audit if you use this feature.
At the same time this subcategory allows you to track account logon sessions to which sensitive privileges were assigned.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | Yes | No | Yes | No | This subcategory is very important because of [Special Groups](https://techcommunity.microsoft.com/t5/ask-the-directory-services-team/special-groups-auditing-via-group-policy-preferences/ba-p/395095) related events, you must enable this subcategory for Success audit if you use this feature.
At the same time this subcategory allows you to track account logon sessions to which sensitive privileges were assigned.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | Yes | No | Yes | No | This subcategory is very important because of [Special Groups](https://techcommunity.microsoft.com/t5/ask-the-directory-services-team/special-groups-auditing-via-group-policy-preferences/ba-p/395095) related events, you must enable this subcategory for Success audit if you use this feature.
At the same time this subcategory allows you to track account logon sessions to which sensitive privileges were assigned.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4964](event-4964.md)(S): Special groups have been assigned to a new logon. - -- [4672](event-4672.md)(S): Special privileges assigned to new logon. - diff --git a/windows/security/threat-protection/auditing/audit-system-integrity.md b/windows/security/threat-protection/auditing/audit-system-integrity.md deleted file mode 100644 index 85cd8f762c..0000000000 --- a/windows/security/threat-protection/auditing/audit-system-integrity.md +++ /dev/null @@ -1,68 +0,0 @@ ---- -title: Audit System Integrity -description: The policy setting, Audit System Integrity, determines if the operating system audits events that violate the integrity of the security subsystem. -ms.assetid: 942a9a7f-fa31-4067-88c7-f73978bf2034 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit System Integrity - - -Audit System Integrity determines whether the operating system audits events that violate the integrity of the security subsystem. - -Activities that violate the integrity of the security subsystem include the following: - -- Audited events are lost due to a failure of the auditing system. - -- A process uses an invalid local procedure call (LPC) port in an attempt to impersonate a client, reply to a client address space, read to a client address space, or write from a client address space. - -- A remote procedure call (RPC) integrity violation is detected. - -- A code integrity violation with an invalid hash value of an executable file is detected. - -- Cryptographic tasks are performed. - -Violations of security subsystem integrity are critical and could indicate a potential security attack. - -**Event volume**: Low. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | The main reason why we recommend Success auditing for this subcategory is to be able to get RPC integrity violation errors and auditing subsystem errors (event 4612). However, if you are planning to manually invoke “[4618](event-4618.md)(S): A monitored security event pattern has occurred”, then you also need to enable Success auditing for this subcategory.
The main reason why we recommend Failure auditing for this subcategory is to be able to get [Code Integrity](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd348642(v=ws.10)) failure events. | -| Member Server | Yes | Yes | Yes | Yes | The main reason why we recommend Success auditing for this subcategory is to be able to get RPC integrity violation errors and auditing subsystem errors (event 4612). However, if you are planning to manually invoke “[4618](event-4618.md)(S): A monitored security event pattern has occurred”, then you also need to enable Success auditing for this subcategory.
The main reason why we recommend Failure auditing for this subcategory is to be able to get [Code Integrity](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd348642(v=ws.10)) failure events. | -| Workstation | Yes | Yes | Yes | Yes | The main reason why we recommend Success auditing for this subcategory is to be able to get RPC integrity violation errors and auditing subsystem errors (event 4612). However, if you are planning to manually invoke “[4618](event-4618.md)(S): A monitored security event pattern has occurred”, then you also need to enable Success auditing for this subcategory.
The main reason why we recommend Failure auditing for this subcategory is to be able to get [Code Integrity](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd348642(v=ws.10)) failure events. | - -**Events List:** - -- [4612](event-4612.md)(S): Internal resources allocated for the queuing of audit messages have been exhausted, leading to the loss of some audits. - -- [4615](event-4615.md)(S): Invalid use of LPC port. - -- [4618](event-4618.md)(S): A monitored security event pattern has occurred. - -- [4816](event-4816.md)(S): RPC detected an integrity violation while decrypting an incoming message. - -- [5038](event-5038.md)(F): Code integrity determined that the image hash of a file is not valid. The file could be corrupt due to unauthorized modification or the invalid hash could indicate a potential disk device error. - -- [5056](event-5056.md)(S): A cryptographic self-test was performed. - -- [5062](event-5062.md)(S): A kernel-mode cryptographic self-test was performed. - -- [5057](event-5057.md)(F): A cryptographic primitive operation failed. - -- [5060](event-5060.md)(F): Verification operation failed. - -- [5061](event-5061.md)(S, F): Cryptographic operation. - -- [6281](event-6281.md)(F): Code Integrity determined that the page hashes of an image file are not valid. The file could be improperly signed without page hashes or corrupt due to unauthorized modification. The invalid hashes could indicate a potential disk device error. - -- [6410](event-6410.md)(F): Code integrity determined that a file does not meet the security requirements to load into a process. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-token-right-adjusted.md b/windows/security/threat-protection/auditing/audit-token-right-adjusted.md deleted file mode 100644 index ca2b5b0186..0000000000 --- a/windows/security/threat-protection/auditing/audit-token-right-adjusted.md +++ /dev/null @@ -1,29 +0,0 @@ ---- -title: Audit Token Right Adjusted -description: This topic for the IT professional describes the Advanced Security Audit policy setting, Audit Token Right Adjusted, which determines whether the operating system generates audit events when specific changes are made to the privileges of a token. -manager: aaroncz -author: vinaypamnani-msft -ms.author: vinpa -ms.pagetype: security -ms.date: 12/31/2017 -ms.topic: reference ---- - -# Audit Token Right Adjusted - - -Audit Token Right Adjusted allows you to audit events generated by adjusting the privileges of a token. - -For more information, see [Security Monitoring: A Possible New Way to Detect Privilege Escalation](/archive/blogs/nathangau/security-monitoring-a-possible-new-way-to-detect-privilege-escalation). - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | No | IF | No | IF – With Success auditing for this subcategory, you can get information related to changes to the privileges of a token.
However, if you are using an application or system service that dynamically adjusts token privileges, we do not recommend Success auditing because of the high volume of event “[4703](event-4703.md)(S): A user right was adjusted” that may be generated. As of Windows 10, event 4703 is generated by applications or services that dynamically adjust token privileges. An example of such an application is Microsoft Configuration Manager, which makes WMI queries at recurring intervals and quickly generates a large number of 4703 events (with the WMI activity listed as coming from **svchost.exe**).
If one of your applications or services is generating a large number of 4703 events, you might find that your event-management software has filtering logic that can automatically discard the recurring events, which would make it easier to work with Success auditing for this category.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | IF | No | IF | No | IF – With Success auditing for this subcategory, you can get information related to changes to the privileges of a token.
However, if you are using an application or system service that dynamically adjusts token privileges, we do not recommend Success auditing because of the high volume of event “[4703](event-4703.md)(S): A user right was adjusted” that may be generated. As of Windows 10, event 4703 is generated by applications or services that dynamically adjust token privileges. An example of such an application is Microsoft Configuration Manager, which makes WMI queries at recurring intervals and quickly generates a large number of 4703 events (with the WMI activity listed as coming from **svchost.exe**).
If one of your applications or services is generating a large number of 4703 events, you might find that your event-management software has filtering logic that can automatically discard the recurring events, which would make it easier to work with Success auditing for this category.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | IF | No | IF | No | IF – With Success auditing for this subcategory, you can get information related to changes to the privileges of a token.
However, if you are using an application or system service that dynamically adjusts token privileges, we do not recommend Success auditing because of the high volume of event “[4703](event-4703.md)(S): A user right was adjusted” that may be generated. As of Windows 10, event 4703 is generated by applications or services that dynamically adjust token privileges. An example of such an application is Microsoft Configuration Manager, which makes WMI queries at recurring intervals and quickly generates a large number of 4703 events (with the WMI activity listed as coming from **svchost.exe**).
If one of your applications or services is generating a large number of 4703 events, you might find that your event-management software has filtering logic that can automatically discard the recurring events, which would make it easier to work with Success auditing for this category.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4703](event-4703.md)(S): A user right was adjusted. - -**Event volume**: High. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/audit-user-account-management.md b/windows/security/threat-protection/auditing/audit-user-account-management.md deleted file mode 100644 index 22bd1134da..0000000000 --- a/windows/security/threat-protection/auditing/audit-user-account-management.md +++ /dev/null @@ -1,83 +0,0 @@ ---- -title: Audit User Account Management -description: Audit User Account Management is an audit policy setting that determines if the operating system generates audit events when certain tasks are performed. -ms.assetid: f7e72998-3858-4197-a443-19586ecc4bfb -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit User Account Management - - -Audit User Account Management determines whether the operating system generates audit events when specific user account management tasks are performed. - -**Event volume**: Low. - -This policy setting allows you to audit changes to user accounts. Events include the following: - -- A user account is created, changed, deleted, renamed, disabled, enabled, locked out or unlocked. - -- A user account’s password is set or changed. - -- A security identifier (SID) is added to the SID History of a user account, or fails to be added. - -- The Directory Services Restore Mode password is configured. - -- Permissions on administrative user accounts are changed. - -- A user's local group membership was enumerated. - -- Credential Manager credentials are backed up or restored. - -Some events in this subcategory, for example 4722, 4725, 4724, and 4781, are also generated for computer accounts. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | Yes | Yes | Yes | Yes | This subcategory contains many useful events for monitoring, especially for critical domain accounts, such as domain admins, service accounts, database admins, and so on.
We recommend Failure auditing, mostly to see invalid password change and reset attempts for domain accounts, DSRM account password change failures, and failed SID History add attempts. | -| Member Server | Yes | Yes | Yes | Yes | We recommend monitoring all changes related to local user accounts, especially built-in local Administrator and other critical accounts.
We recommend Failure auditing, mostly to see invalid password change and reset attempts for local accounts. | -| Workstation | Yes | Yes | Yes | Yes | We recommend monitoring all changes related to local user accounts, especially built-in local Administrator and other critical accounts.
We recommend Failure auditing, mostly to see invalid password change and reset attempts for local accounts. | - -**Events List:** - -- [4720](event-4720.md)(S): A user account was created. - -- [4722](event-4722.md)(S): A user account was enabled. - -- [4723](event-4723.md)(S, F): An attempt was made to change an account's password. - -- [4724](event-4724.md)(S, F): An attempt was made to reset an account's password. - -- [4725](event-4725.md)(S): A user account was disabled. - -- [4726](event-4726.md)(S): A user account was deleted. - -- [4738](event-4738.md)(S): A user account was changed. - -- [4740](event-4740.md)(S): A user account was locked out. - -- [4765](event-4765.md)(S): SID History was added to an account. - -- [4766](event-4766.md)(F): An attempt to add SID History to an account failed. - -- [4767](event-4767.md)(S): A user account was unlocked. - -- [4780](event-4780.md)(S): The ACL was set on accounts which are members of administrators groups. - -- [4781](event-4781.md)(S): The name of an account was changed. - -- [4794](event-4794.md)(S, F): An attempt was made to set the Directory Services Restore Mode administrator password. - -- [4798](event-4798.md)(S): A user's local group membership was enumerated. - -- [5376](event-5376.md)(S): Credential Manager credentials were backed up. - -- [5377](event-5377.md)(S): Credential Manager credentials were restored from a backup. - diff --git a/windows/security/threat-protection/auditing/audit-user-device-claims.md b/windows/security/threat-protection/auditing/audit-user-device-claims.md deleted file mode 100644 index 748184d302..0000000000 --- a/windows/security/threat-protection/auditing/audit-user-device-claims.md +++ /dev/null @@ -1,41 +0,0 @@ ---- -title: Audit User/Device Claims -description: Audit User/Device Claims is an audit policy setting that enables you to audit security events that are generated by user and device claims. -ms.assetid: D3D2BFAF-F2C0-462A-9377-673DB49D5486 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/06/2021 -ms.topic: reference ---- - -# Audit User/Device Claims - - -Audit User/Device Claims allows you to audit user and device claims information in the account’s logon token. Events in this subcategory are generated on the computer on which a logon session is created. For an interactive logon, the security audit event is generated on the computer that the user logged on to. - -For a network logon, such as accessing a shared folder on the network, the security audit event is generated on the computer hosting the resource. - -***Important***: Enable the [Audit Logon](audit-logon.md) subcategory in order to get events from this subcategory. - -**Event volume**: - -- Low on a client computer. - -- Medium on a domain controller or network servers. - -| Computer Type | General Success | General Failure | Stronger Success | Stronger Failure | Comments | -|-------------------|-----------------|-----------------|------------------|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Domain Controller | IF | No | IF | No | IF – if claims are in use in your organization and you need to monitor user/device claims, enable Success auditing for this subcategory.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Member Server | IF | No | IF | No | IF – if claims are in use in your organization and you need to monitor user/device claims, enable Success auditing for this subcategory.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | -| Workstation | IF | No | IF | No | IF – if claims are in use in your organization and you need to monitor user/device claims, enable Success auditing for this subcategory.
This subcategory doesn’t have Failure events, so there is no recommendation to enable Failure auditing for this subcategory. | - -**Events List:** - -- [4626](event-4626.md)(S): User/Device claims information. - diff --git a/windows/security/threat-protection/auditing/basic-audit-account-logon-events.md b/windows/security/threat-protection/auditing/basic-audit-account-logon-events.md deleted file mode 100644 index 7c8b3b1d1a..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-account-logon-events.md +++ /dev/null @@ -1,51 +0,0 @@ ---- -title: Audit account logon events -description: Determines whether to audit each instance of a user logging on to or logging off from another device in which this device is used to validate the account. -ms.assetid: 84B44181-E325-49A1-8398-AECC3CE0A516 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit account logon events - - -Determines whether to audit each instance of a user logging on to or logging off from another device in which this device is used to validate the account. - -This security setting determines whether to audit each instance of a user logging on to or logging off from another computer in which this computer is used to validate the account. Account logon events are generated when a domain user account is authenticated on a domain controller. The event is logged in the domain controller's security log. Logon events are generated when a local user is authenticated on a local computer. The event is logged in the local security log. Account logoff events are not generated. - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit the event type at all. Success audits generate an audit entry when an account logon attempt succeeds. Failure audits generate an audit entry when an account logon attempt fails. -To set this value to **No auditing**, in the **Properties** dialog box for this policy setting, select the **Define these policy settings** check box and clear the **Success** and **Failure** check boxes. - -**Default**: Success - -## Configure this audit setting - -You can configure this security setting by opening the appropriate policy under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - -| Logon events | Description | -|--------------|--------------------------------------------------------------------------------------------------------------------------------------| -| 672 | An authentication service (AS) ticket was successfully issued and validated. | -| 673 | A ticket granting service (TGS) ticket was granted. | -| 674 | A security principal renewed an AS ticket or TGS ticket. | -| 675 | Preauthentication failed. This event is generated on a Key Distribution Center (KDC) when a user types in an incorrect password. | -| 676 | Authentication ticket request failed. This event is not generated in Windows XP or in the Windows Server 2003 family. | -| 677 | A TGS ticket was not granted. This event is not generated in Windows XP or in the Windows Server 2003 family. | -| 678 | An account was successfully mapped to a domain account. | -| 681 | Logon failure. A domain account logon was attempted. This event is not generated in Windows XP or in the Windows Server 2003 family. | -| 682 | A user has reconnected to a disconnected terminal server session. | -| 683 | A user disconnected a terminal server session without logging off. | - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/basic-audit-account-management.md b/windows/security/threat-protection/auditing/basic-audit-account-management.md deleted file mode 100644 index 0f902b9980..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-account-management.md +++ /dev/null @@ -1,92 +0,0 @@ ---- -title: Audit account management -description: Determines whether to audit each event of account management on a device. -ms.assetid: 369197E1-7E0E-45A4-89EA-16D91EF01689 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit account management - - -Determines whether to audit each event of account management on a device. - -Examples of account management events include: - -- A user account or group is created, changed, or deleted. -- A user account is renamed, disabled, or enabled. -- A password is set or changed. - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit the event type at all. Success audits generate an audit entry when any account management event succeeds. Failure audits generate an audit entry when any account management event fails. To -set this value to **No auditing**, in the **Properties** dialog box for this policy setting, select the Define these policy settings check box and clear the **Success** and **Failure** check boxes. - -**Default:** - -- Success on domain controllers. -- No auditing on member servers. - -## Configure this audit setting - -You can configure this security setting by opening the appropriate policy under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - - -| Account management events | Description | -| :-----------------------: | :---------- | -| 4720 | A user account was created. | -| 4723 | A user password was changed. | -| 4724 | A user password was set. | -| 4726 | A user account was deleted. | -| 4727 | A global group was created. | -| 4728 | A member was added to a global group. | -| 4729 | A member was removed from a global group. | -| 4730 | A global group was deleted. | -| 4731 | A new local group was created. | -| 4732 | A member was added to a local group. | -| 4733 | A member was removed from a local group. | -| 4734 | A local group was deleted. | -| 4735 | A local group account was changed. | -| 4737 | A global group account was changed. | -| 4738 | A user account was changed. | -| 4739 | A domain policy was modified. | -| 4740 | A user account was auto locked. | -| 4741 | A computer account was created. | -| 4742 | A computer account was changed. | -| 4743 | A computer account was deleted. | -| 4744 | A local security group with security disabled was created.
**Note:** SECURITY_DISABLED in the formal name means that this group cannot be used to grant permissions in access checks | -| 4745 | A local security group with security disabled was changed. | -| 4746 | A member was added to a security-disabled local security group. | -| 4747 | A member was removed from a security-disabled local security group. | -| 4748 | A security-disabled local group was deleted. | -| 4749 | A security-disabled global group was created. | -| 4750 | A security-disabled global group was changed. | -| 4751 | A member was added to a security-disabled global group. | -| 4752 | A member was removed from a security-disabled global group. | -| 4753 | A security-disabled global group was deleted. | -| 4754 | A security-enabled universal group was created. | -| 4755 | A security-enabled universal group was changed. | -| 4756 | A member was added to a security-enabled universal group. | -| 4757 | A member was removed from a security-enabled universal group. | -| 4758 | A security-enabled universal group was deleted. | -| 4759 | A security-disabled universal group was created. | -| 4760 | A security-disabled universal group was changed. | -| 4761 | A member was added to a security-disabled universal group. | -| 4762 | A member was removed from a security-disabled universal group. | -| 4763 | A security-disabled universal group was deleted. | -| 4764 | A group type was changed. | -| 4780 | Set the security descriptor of members of administrative groups. | -| 685 | Set the security descriptor of members of administrative groups.
**Note:** Every 60 minutes on a domain controller a background thread searches all members of administrative groups (such as domain, enterprise, and schema administrators) and applies a fixed security descriptor on them. This event is logged. | - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/basic-audit-directory-service-access.md b/windows/security/threat-protection/auditing/basic-audit-directory-service-access.md deleted file mode 100644 index fb7213123d..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-directory-service-access.md +++ /dev/null @@ -1,47 +0,0 @@ ---- -title: Basic audit directory service access -description: Determines whether to audit the event of a user accessing an Active Directory object that has its own system access control list (SACL) specified. -ms.assetid: 52F02EED-3CFE-4307-8D06-CF1E27693D09 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit directory service access - - -Determines whether to audit the event of a user accessing an Active Directory object that has its own system access control list (SACL) specified. - -By default, this value is set to no auditing in the Default Domain Controller Group Policy object (GPO), and it remains undefined for workstations and servers where it has no meaning. - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit the event type at all. Success audits generate an audit entry when a user successfully accesses an Active Directory object that has a SACL specified. Failure audits generate an audit entry when a user unsuccessfully attempts to access an Active Directory object that has a SACL specified. To set this value to **No auditing,** in the **Properties** dialog box for this policy setting, select the **Define these policy settings** check box and clear the **Success** and **Failure** check boxes. -> **Note:**  You can set a SACL on an Active Directory object by using the **Security** tab in that object's **Properties** dialog box. This is the same as Audit object access, except that it applies only to Active Directory objects and not to file system and registry objects. - -**Default:** - -- Success on domain controllers. -- Undefined for a member server. - -## Configure this audit setting - -You can configure this security setting under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - -There is only one directory service access event, which is identical to the Object Access security event message 566. - -| Directory service access events | Description | -|---------------------------------|----------------------------------------| -| 566 | A generic object operation took place. | - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/basic-audit-logon-events.md b/windows/security/threat-protection/auditing/basic-audit-logon-events.md deleted file mode 100644 index 6019102b0e..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-logon-events.md +++ /dev/null @@ -1,66 +0,0 @@ ---- -title: Audit logon events -description: Determines whether to audit each instance of a user logging on to or logging off from a device. -ms.assetid: 78B5AFCB-0BBD-4C38-9FE9-6B4571B94A35 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.collection: - - highpri - - tier3 -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit logon events - - -Determines whether to audit each instance of a user logging on to or logging off from a device. - -Account logon events are generated on domain controllers for domain account activity and on local devices for local account activity. If both account logon and logon audit policy categories are enabled, logons that use a domain account generate a logon or logoff event on the workstation or server, and they generate an account logon event on the domain controller. Additionally, interactive logons to a member server or workstation that use a domain account generate a logon event on the domain controller as the logon scripts and policies are retrieved when a user logs on. For more info about account logon events, see [Audit account logon events](basic-audit-account-logon-events.md). - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit the event type at all. Success audits generate an audit entry when a logon attempt succeeds. Failure audits generate an audit entry when a logon attempt fails. - -To set this value to **No auditing**, in the **Properties** dialog box for this policy setting, select the **Define these policy settings** check box and clear the **Success** and **Failure** check boxes. - -For information about advanced security policy settings for logon events, see the [Logon/logoff](advanced-security-audit-policy-settings.md#logonlogoff) section in [Advanced security audit policy settings](advanced-security-audit-policy-settings.md). - -## Configure this audit setting - -You can configure this security setting by opening the appropriate policy under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - -| Logon events | Description | -| - | - | -| 4624 | A user successfully logged on to a computer. For information about the type of logon, see the Logon Types table below. | -| 4625 | Logon failure. A logon attempt was made with an unknown user name or a known user name with a bad password. | -| 4634 | The logoff process was completed for a user. | -| 4647 | A user initiated the logoff process. | -| 4648 | A user successfully logged on to a computer using explicit credentials while already logged on as a different user. | -| 4779 | A user disconnected a terminal server session without logging off. | - - -When event 4624 (Legacy Windows Event ID 528) is logged, a logon type is also listed in the event log. The following table describes each logon type. - -| Logon type | Logon title | Description | -| - | - | - | -| 2 | Interactive | A user logged on to this computer.| -| 3 | Network | A user or computer logged on to this computer from the network.| -| 4 | Batch | Batch logon type is used by batch servers, where processes may be executing on behalf of a user without their direct intervention.| -| 5 | Service | A service was started by the Service Control Manager.| -| 7 | Unlock | This workstation was unlocked.| -| 8 | NetworkCleartext | A user logged on to this computer from the network. The user's password was passed to the authentication package in its unhashed form. The built-in authentication packages all hash credentials before sending them across the network. The credentials do not traverse the network in plaintext (also called cleartext). | -| 9 | NewCredentials | A caller cloned its current token and specified new credentials for outbound connections. The new logon session has the same local identity, but uses different credentials for other network connections.| -| 10 | RemoteInteractive | A user logged on to this computer remotely using Terminal Services or Remote Desktop.| -| 11 | CachedInteractive | A user logged on to this computer with network credentials that were stored locally on the computer. The domain controller was not contacted to verify the credentials.| - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/basic-audit-object-access.md b/windows/security/threat-protection/auditing/basic-audit-object-access.md deleted file mode 100644 index a27f9b77a0..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-object-access.md +++ /dev/null @@ -1,85 +0,0 @@ ---- -title: Audit object access -description: The policy setting, Audit object access, determines whether to audit the event generated when a user accesses an object that has its own SACL specified. -ms.assetid: D15B6D67-7886-44C2-9972-3F192D5407EA -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit object access - - -Determines whether to audit the event of a user accessing an object--for example, a file, folder, registry key, printer, and so forth--that has its own system access control list (SACL) specified. - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit the event type at all. Success audits generate an audit entry when a user successfully accesses an object that has an appropriate SACL specified. Failure audits generate an audit entry when a user unsuccessfully attempts to access an object that has a SACL specified. - -To set this value to **No auditing**, in the **Properties** dialog box for this policy setting, select the Define these policy settings check box and clear the **Success** and **Failure** check boxes. - -> [!NOTE] -> You can set a SACL on a file system object using the **Security** tab in that object's **Properties** dialog box. - -**Default:** No auditing. - -## Configure this audit setting - -You can configure this security setting by opening the appropriate policy under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - - -| Object access events | Description | -|----------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 560 | Access was granted to an already existing object. | -| 562 | A handle to an object was closed. | -| 563 | An attempt was made to open an object with the intent to delete it.
**Note:** This is used by file systems when the FILE_DELETE_ON_CLOSE flag is specified in Createfile(). | -| 564 | A protected object was deleted. | -| 565 | Access was granted to an already existing object type. | -| 567 | A permission associated with a handle was used.
**Note:** A handle is created with certain granted permissions (Read, Write, and so on). When the handle is used, up to one audit is generated for each of the permissions that was used. | -| 568 | An attempt was made to create a hard link to a file that is being audited. | -| 569 | The resource manager in Authorization Manager attempted to create a client context. | -| 570 | A client attempted to access an object.
**Note:** An event will be generated for every attempted operation on the object. | -| 571 | The client context was deleted by the Authorization Manager application. | -| 572 | The administrator manager initialized the application. | -| 772 | The certificate manager denied a pending certificate request. | -| 773 | Certificate Services received a resubmitted certificate request. | -| 774 | Certificate Services revoked a certificate. | -| 775 | Certificate Services received a request to publish the certificate revocation list (CRL). | -| 776 | Certificate Services published the certificate revocation list (CRL). | -| 777 | A certificate request extension was made. | -| 778 | One or more certificate request attributes changed. | -| 779 | Certificate Services received a request to shutdown. | -| 780 | Certificate Services backup started. | -| 781 | Certificate Services backup completed | -| 782 | Certificate Services restore started. | -| 783 | Certificate Services restore completed. | -| 784 | Certificate Services started. | -| 785 | Certificate Services stopped. | -| 786 | The security permissions for Certificate Services changed. | -| 787 | Certificate Services retrieved an archived key. | -| 788 | Certificate Services imported a certificate into its database. | -| 789 | The audit filter for Certificate Services changed. | -| 790 | Certificate Services received a certificate request. | -| 791 | Certificate Services approved a certificate request and issued a certificate. | -| 792 | Certificate Services denied a certificate request. | -| 793 | Certificate Services set the status of a certificate request to pending. | -| 794 | The certificate manager settings for Certificate Services changed. | -| 795 | A configuration entry changed in Certificate Services. | -| 796 | A property of Certificate Services changed. | -| 797 | Certificate Services archived a key. | -| 798 | Certificate Services imported and archived a key. | -| 799 | Certificate Services published the CA certificate to Active Directory. | -| 800 | One or more rows have been deleted from the certificate database. | -| 801 | Role separation enabled. | - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/basic-audit-policy-change.md b/windows/security/threat-protection/auditing/basic-audit-policy-change.md deleted file mode 100644 index c8c2ed48d0..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-policy-change.md +++ /dev/null @@ -1,64 +0,0 @@ ---- -title: Audit policy change -description: Determines whether to audit every incident of a change to user rights assignment policies, audit policies, or trust policies. -ms.assetid: 1025A648-6B22-4C85-9F47-FE0897F1FA31 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit policy change - - -Determines whether to audit every incident of a change to user rights assignment policies, audit policies, or trust policies. - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit the event type at all. Success audits generate an audit entry when a change to user rights assignment policies, audit policies, or trust policies is successful. Failure audits generate an audit entry when a change to user rights assignment policies, audit policies, or trust policies fails. - -To set this value to **No auditing**, in the **Properties** dialog box for this policy setting, select the **Define these policy settings** check box and clear the **Success** and **Failure** check boxes. - -**Default:** - -- Success on domain controllers. -- No auditing on member servers. - -## Configure this audit setting - -You can configure this security setting under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - -| Policy change events | Description | -| - | - | -| 608 | A user right was assigned.| -| 609 | A user right was removed. | -| 610 | A trust relationship with another domain was created.| -| 611 | A trust relationship with another domain was removed.| -| 612 | An audit policy was changed.| -| 613 | An Internet Protocol security (IPSec) policy agent started.| -| 614 | An IPSec policy agent was disabled. | -| 615 | An IPSec policy agent changed. | -| 616 | An IPSec policy agent encountered a potentially serious failure.| -| 617 | A Kerberos policy changed. | -| 618 | Encrypted Data Recovery policy changed.| -| 620 | A trust relationship with another domain was modified.| -| 621 | System access was granted to an account. | -| 622 | System access was removed from an account.| -| 623 | Per user auditing policy was set for a user.| -| 625 | Per user audit policy was refreshed. | -| 768 | A collision was detected between a namespace element in one forest and a namespace element in another forest.
**Note**  When a namespace element in one forest overlaps a namespace element in another forest, it can lead to ambiguity in resolving a name belonging to one of the namespace elements. This overlap is also called a collision. Not all parameters are valid for each entry type. For example, fields such as DNS name, NetBIOS name, and SID are not valid for an entry of type 'TopLevelName'.| -| 769 | Trusted forest information was added.
**Note:**  This event message is generated when forest trust information is updated and one or more entries are added. One event message is generated per added, deleted, or modified entry. If multiple entries are added, deleted, or modified in a single update of the forest trust information, all the generated event messages have a single unique identifier called an operation ID. This allows you to determine that the multiple generated event messages are the result of a single operation. Not all parameters are valid for each entry type. For example, parameters such as DNS name, NetBIOS name and SID are not valid for an entry of type "TopLevelName".| -| 770 | Trusted forest information was deleted.
**Note:**  This event message is generated when forest trust information is updated and one or more entries are added. One event message is generated per added, deleted, or modified entry. If multiple entries are added, deleted, or modified in a single update of the forest trust information, all the generated event messages have a single unique identifier called an operation ID. This allows you to determine that the multiple generated event messages are the result of a single operation. Not all parameters are valid for each entry type. For example, parameters such as DNS name, NetBIOS name and SID are not valid for an entry of type "TopLevelName".| -| 771 | Trusted forest information was modified.
**Note:**  This event message is generated when forest trust information is updated and one or more entries are added. One event message is generated per added, deleted, or modified entry. If multiple entries are added, deleted, or modified in a single update of the forest trust information, all the generated event messages have a single unique identifier called an operation ID. This allows you to determine that the multiple generated event messages are the result of a single operation. Not all parameters are valid for each entry type. For example, parameters such as DNS name, NetBIOS name and SID are not valid for an entry of type "TopLevelName".| -| 805 | The event log service read the security log configuration for a session. - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/basic-audit-privilege-use.md b/windows/security/threat-protection/auditing/basic-audit-privilege-use.md deleted file mode 100644 index 1275bd3206..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-privilege-use.md +++ /dev/null @@ -1,53 +0,0 @@ ---- -title: Audit privilege use -description: Determines whether to audit each instance of a user exercising a user right. -ms.assetid: C5C6DAAF-8B58-4DFB-B1CE-F0675AE0E9F8 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit privilege use - - -Determines whether to audit each instance of a user exercising a user right. - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit this type of event at all. Success audits generate an audit entry when the exercise of a user right succeeds. Failure audits generate an audit entry when the exercise of a user right fails. - -To set this value to **No auditing**, in the **Properties** dialog box for this policy setting, select the Define these policy settings check box and clear the **Success** and **Failure** check boxes. - -**Default:** No auditing. - -Audits are not generated for use of the following user rights, even if success audits or failure audits are specified for **Audit privilege use**. Enabling auditing of these user rights tend to generate many events in the security log which may impede your computer's performance. To audit the following user rights, enable the **FullPrivilegeAuditing** registry key. - -- Bypass traverse checking -- Debug programs -- Create a token object -- Replace process level token -- Generate security audits -- Back up files and directories -- Restore files and directories - -## Configure this audit setting - -You can configure this security setting under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - -| Privilege use events | Description | -| - | - | -| 576 | Specified privileges were added to a user's access token.
**Note:**  This event is generated when the user logs on.| -| 577 | A user attempted to perform a privileged system service operation. | -| 578 | Privileges were used on an already open handle to a protected object. | - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/basic-audit-process-tracking.md b/windows/security/threat-protection/auditing/basic-audit-process-tracking.md deleted file mode 100644 index 71a2c2735c..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-process-tracking.md +++ /dev/null @@ -1,51 +0,0 @@ ---- -title: Audit process tracking -description: Determines whether to audit detailed tracking information for events such as program activation, process exit, handle duplication, and indirect object access. -ms.assetid: 91AC5C1E-F4DA-4B16-BEE2-C92D66E4CEEA -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit process tracking - - -Determines whether to audit detailed tracking information for events such as program activation, process exit, handle duplication, and indirect object access. - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit the event type at all. Success audits generate an audit entry when the process being tracked succeeds. Failure audits generate an audit entry when the process being tracked fails. - -To set this value to **No auditing**, in the **Properties** dialog box for this policy setting, select the Define these policy settings check box and clear the **Success** and **Failure** check boxes. - -**Default:** No auditing. - -## Configure this security setting - -You can configure this security setting under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - -| Process tracking events | Description | -| - | - | -| 592 | A new process was created.| -| 593 | A process exited. | -| 594 | A handle to an object was duplicated.| -| 595 | Indirect access to an object was obtained.| -| 596 | A data protection master key was backed up.
**Note:** The master key is used by the CryptProtectData and CryptUnprotectData routines, and Encrypting File System (EFS). The master key is backed up each time a new one is created. (The default setting is 90 days.) The key is usually backed up to a domain controller.| -| 597 | A data protection master key was recovered from a recovery server.| -| 598 | Auditable data was protected. | -| 599 | Auditable data was unprotected.| -| 600 | A process was assigned a primary token.| -| 601 | A user attempted to install a service. | -| 602 | A scheduler job was created. | - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/basic-audit-system-events.md b/windows/security/threat-protection/auditing/basic-audit-system-events.md deleted file mode 100644 index d29c89b90f..0000000000 --- a/windows/security/threat-protection/auditing/basic-audit-system-events.md +++ /dev/null @@ -1,52 +0,0 @@ ---- -title: Audit system events -description: Determines whether to audit when a user restarts or shuts down the computer or when an event occurs that affects either the system security or the security log. -ms.assetid: BF27588C-2AA7-4365-A4BF-3BB377916447 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Audit system events - - -Determines whether to audit when a user restarts or shuts down the computer or when an event occurs that affects either the system security or the security log. - -If you define this policy setting, you can specify whether to audit successes, audit failures, or not audit the event type at all. Success audits generate an audit entry when a logon attempt succeeds. Failure audits generate an audit entry when a logon attempt fails. - -To set this value to **No auditing**, in the **Properties** dialog box for this policy setting, select the **Define these policy settings** check box and clear the **Success** and **Failure** check boxes. - -**Default:** - -- Success on domain controllers. -- No auditing on member servers. - -## Configure this audit setting - -You can configure this security setting by opening the appropriate policy under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - -| Logon events | Description | -| - | - | -| 512 | Windows is starting up. | -| 513 | Windows is shutting down. | -| 514 | An authentication package was loaded by the Local Security Authority.| -| 515 | A trusted logon process has registered with the Local Security Authority.| -| 516 | Internal resources allocated for the queuing of security event messages have been exhausted, leading to the loss of some security event messages.| -| 517 | The audit log was cleared. | -| 518 | A notification package was loaded by the Security Accounts Manager.| -| 519 | A process is using an invalid local procedure call (LPC) port in an attempt to impersonate a client and reply or read from or write to a client address space.| -| 520 | The system time was changed.
**Note:**  This audit normally appears twice.| - -## Related topics - -- [Basic security audit policy settings](basic-security-audit-policy-settings.md) -  -  diff --git a/windows/security/threat-protection/auditing/basic-security-audit-policies.md b/windows/security/threat-protection/auditing/basic-security-audit-policies.md deleted file mode 100644 index a238c70e5c..0000000000 --- a/windows/security/threat-protection/auditing/basic-security-audit-policies.md +++ /dev/null @@ -1,46 +0,0 @@ ---- -title: Basic security audit policies -description: Learn about basic security audit policies that specify the categories of security-related events that you want to audit for the needs of your organization. -ms.assetid: 3B678568-7AD7-4734-9BB4-53CF5E04E1D3 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Basic security audit policies - - -Before you implement auditing, you must decide on an auditing policy. A basic audit policy specifies categories of security-related events that you want to audit. When this version of Windows is first installed, all auditing categories are disabled. By enabling various auditing event categories, you can implement an auditing policy that suits the security needs of your organization. - -The event categories that you can choose to audit are: - -- Audit account logon events -- Audit account management -- Audit directory service access -- Audit logon events -- Audit object access -- Audit policy change -- Audit privilege use -- Audit process tracking -- Audit system events - -If you choose to audit access to objects as part of your audit policy, you must enable either the audit directory service access category, for auditing objects on a domain controller, or the audit object access category, for auditing objects on a member server or workstation. After you enable the object access category, you can specify the types of access you want to audit for each group or user. - -## In this section - -| Article | Description | -| - | - | -| [Create a basic audit policy for an event category](create-a-basic-audit-policy-settings-for-an-event-category.md) | By defining auditing settings for specific event categories, you can create an auditing policy that suits the security needs of your organization. On devices that are joined to a domain, auditing settings for the event categories are undefined by default. On domain controllers, auditing is turned on by default. | -| [Apply a basic audit policy on a file or folder](apply-a-basic-audit-policy-on-a-file-or-folder.md) | You can apply audit policies to individual files and folders on your computer by setting the permission type to record successful or failed access attempts in the security log. | -| [View the security event log](view-the-security-event-log.md) | The security log records each event as defined by the audit policies you set on each object.| -| [Basic security audit policy settings](basic-security-audit-policy-settings.md) | Basic security audit policy settings are found under Computer Configuration\Windows Settings\Security Settings\Local Policies\Audit Policy.| - - diff --git a/windows/security/threat-protection/auditing/basic-security-audit-policy-settings.md b/windows/security/threat-protection/auditing/basic-security-audit-policy-settings.md deleted file mode 100644 index 1b496de6ee..0000000000 --- a/windows/security/threat-protection/auditing/basic-security-audit-policy-settings.md +++ /dev/null @@ -1,41 +0,0 @@ ---- -title: Basic security audit policy settings -description: Basic security audit policy settings are found under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. -ms.assetid: 31C2C453-2CFC-4D9E-BC88-8CE1C1A8F900 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/06/2021 ---- - -# Basic security audit policy settings - - -Basic security audit policy settings are found under Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\Audit Policy. - -## In this section - -| Topic | Description | -| - | - | -| [Audit account logon events](basic-audit-account-logon-events.md) | Determines whether to audit each instance of a user logging on to or logging off from another device in which this device is used to validate the account.| -| [Audit account management](basic-audit-account-management.md) | Determines whether to audit each event of account management on a device.| -| [Audit directory service access](basic-audit-directory-service-access.md) | Determines whether to audit the event of a user accessing an Active Directory object that has its own system access control list (SACL) specified.| -| [Audit logon events](basic-audit-logon-events.md) | Determines whether to audit each instance of a user logging on to or logging off from a device. | -| [Audit object access](basic-audit-object-access.md) | Determines whether to audit the event of a user accessing an object--for example, a file, folder, registry key, printer, and so forth--that has its own system access control list (SACL) specified.| -| [Audit policy change](basic-audit-policy-change.md) | Determines whether to audit every incident of a change to user rights assignment policies, audit policies, or trust policies. | -| [Audit privilege use](basic-audit-privilege-use.md) | Determines whether to audit each instance of a user exercising a user right. | -| [Audit process tracking](basic-audit-process-tracking.md) | Determines whether to audit detailed tracking information for events such as program activation, process exit, handle duplication, and indirect object access.| -| [Audit system events](basic-audit-system-events.md) | Determines whether to audit when a user restarts or shuts down the computer or when an event occurs that affects either the system security or the security log. | - -## Related topics - -- [Advanced security audit policy settings](advanced-security-audit-policy-settings.md) - - diff --git a/windows/security/threat-protection/auditing/create-a-basic-audit-policy-settings-for-an-event-category.md b/windows/security/threat-protection/auditing/create-a-basic-audit-policy-settings-for-an-event-category.md deleted file mode 100644 index 0dbeef18fc..0000000000 --- a/windows/security/threat-protection/auditing/create-a-basic-audit-policy-settings-for-an-event-category.md +++ /dev/null @@ -1,54 +0,0 @@ ---- -title: Create a basic audit policy for an event category -description: By defining auditing settings for specific event categories, you can create an auditing policy that suits the security needs of your organization. -ms.assetid: C9F52751-B40D-482E-BE9D-2C61098249D3 -ms.reviewer: -ms.author: vinpa -ms.mktglfcycl: deploy -ms.sitesec: library -ms.pagetype: security -ms.localizationpriority: low -author: vinaypamnani-msft -manager: aaroncz -audience: ITPro -ms.topic: reference -ms.date: 09/07/2021 ---- - -# Create a basic audit policy for an event category - - -By defining auditing settings for specific event categories, you can create an auditing policy that suits the security needs of your organization. On devices that are joined to a domain, auditing settings for the event categories are undefined by default. On domain controllers, auditing is turned on by default. - -To complete this procedure, you must be logged on as a member of the built-in Administrators group. - -**To define or modify auditing policy settings for an event category for your local computer** - -1. Open the Local Security Policy snap-in (secpol.msc), and then click **Local Policies**. -2. Click **Audit Policy**. -3. In the results pane, double-click an event category that you want to change the auditing policy settings for. -4. Do one or both of the following, and then click **OK.** - - - To audit successful attempts, select the **Success** check box. - - To audit unsuccessful attempts, select the **Failure** check box. - -To complete this procedure, you must be logged on as a member of the Domain Admins group. - -**To define or modify auditing policy settings for an event category for a domain or organizational unit, when you are on a member server or on a workstation that is joined to a domain** - -1. Open the Group Policy Management Console (GPMC). -2. In the console tree, double-click **Group Policy objects** in the forest and domain containing the **Default Domain Policy** Group Policy object (GPO) that you want to edit. -3. Right-click the **Default Domain Policy** GPO, and then click **Edit**. -4. In the GPMC, go to **Computer Configuration**, **Windows Settings**, **Security Settings**, and then click **Audit Policy**. -5. In the results pane, double-click an event category that you want to change the auditing policy settings for. -6. If you are defining auditing policy settings for this event category for the first time, select the **Define these policy settings** check box. -7. Do one or both of the following, and then click **OK.** - - - To audit successful attempts, select the **Success** check box. - - To audit unsuccessful attempts, select the **Failure** check box. - -## Additional considerations - -- To audit object access, enable auditing of the object access event category by following the steps above. Then, enable auditing on the specific object. -- After your audit policy is configured, events will be recorded in the Security log. Open the Security log to view these events. -- The default auditing policy setting for domain controllers is **No Auditing**. This means that even if auditing is enabled in the domain, the domain controllers do not inherit auditing policy locally. If you want domain auditing policy to apply to domain controllers, you must modify this policy setting. diff --git a/windows/security/threat-protection/auditing/event-1100.md b/windows/security/threat-protection/auditing/event-1100.md deleted file mode 100644 index fd669405ba..0000000000 --- a/windows/security/threat-protection/auditing/event-1100.md +++ /dev/null @@ -1,74 +0,0 @@ ---- -title: 1100(S) The event logging service has shut down. -description: Describes security event 1100(S) The event logging service has shut down. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 1100(S): The event logging service has shut down. - - -Event 1100 illustration - -***Subcategory:*** [Other Events](other-events.md) - -***Event Description:*** - -This event generates every time Windows Event Log service has shut down. - -It also generates during normal system shutdown. - -This event doesn’t generate during emergency system reset. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 1100 - 0 - 4 - 103 - 0 - 0x4020000000000000 - - 1048124 - - - Security - DC01.contoso.local - - -- - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -For 1100(S): The event logging service has shut down. - -- With this event, you can track system shutdowns and restarts. - -- This event also can be a sign of malicious action when someone tried to shut down the Log Service to cover his or her activity. - diff --git a/windows/security/threat-protection/auditing/event-1102.md b/windows/security/threat-protection/auditing/event-1102.md deleted file mode 100644 index 3f66f12f17..0000000000 --- a/windows/security/threat-protection/auditing/event-1102.md +++ /dev/null @@ -1,99 +0,0 @@ ---- -title: 1102(S) The audit log was cleared. -description: Though you shouldn't normally see it, this event generates every time Windows Security audit log is cleared. This is for event 1102(S). -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 1102(S): The audit log was cleared. - - -Event 1102 illustration - -***Subcategory:*** [Other Events](other-events.md) - -***Event Description:*** - -This event generates every time Windows Security audit log was cleared. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 1102 - 0 - 4 - 104 - 0 - 0x4020000000000000 - - 1087729 - - - Security - DC01.contoso.local - - -- -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x55cd1d - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that cleared the system security audit log. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that cleared the system security audit log. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -## Security Monitoring Recommendations - -For 1102(S): The audit log was cleared. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Typically you should not see this event. There is no need to manually clear the Security event log in most cases. We recommend monitoring this event and investigating why this action was performed. - diff --git a/windows/security/threat-protection/auditing/event-1104.md b/windows/security/threat-protection/auditing/event-1104.md deleted file mode 100644 index 60114513f7..0000000000 --- a/windows/security/threat-protection/auditing/event-1104.md +++ /dev/null @@ -1,67 +0,0 @@ ---- -title: 1104(S) The security log is now full. -description: This event generates every time Windows security log becomes full and the event log retention method is set to Do not overwrite events. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 1104(S): The security log is now full. - - -Event 1104 illustration - -***Subcategory:*** [Other Events](other-events.md) - -***Event Description:*** - -This event generates every time Windows security log becomes full. - -This event generates, for example, if the maximum size of Security Event Log file was reached and event log retention method is: “[Do not overwrite events (Clear logs manually)](/previous-versions/windows/it-pro/windows-server-2003/cc778402(v=ws.10))”. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 1104 - 0 - 2 - 101 - 0 - 0x4020000000000000 - - 1087728 - - - Security - DC01.contoso.local - - -- - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -- If the Security event log retention method is set to “[Do not overwrite events (Clear logs manually)](/previous-versions/windows/it-pro/windows-server-2003/cc778402(v=ws.10))”, then this event will indicate that log file is full and you need to perform immediate actions, for example, archive the log or clear it. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-1105.md b/windows/security/threat-protection/auditing/event-1105.md deleted file mode 100644 index ab01840a97..0000000000 --- a/windows/security/threat-protection/auditing/event-1105.md +++ /dev/null @@ -1,98 +0,0 @@ ---- -title: 1105(S) Event log automatic backup. -description: This event generates every time Windows security log becomes full and new event log file was created. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 1105(S): Event log automatic backup - - -Event 1105 illustration - -***Subcategory:*** [Other Events](other-events.md) - -***Event Description:*** - -This event generates every time Windows security log becomes full and new event log file was created. - -This event generates, for example, if the maximum size of Security Event Log file was reached and event log retention method is: “[Archive the log when full, do not overwrite events](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc721981(v=ws.11))”. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 1105 - 0 - 4 - 105 - 0 - 0x4020000000000000 - - 1128551 - - - Security - DC01.contoso.local - - -- -- - Security - C:\\Windows\\System32\\Winevt\\Logs\\Archive-Security-2015-10-16-00-50-12-621.evtx - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Log** \[Type = UnicodeString\]: the name of the log that was archived (new event log file was created and previous event log was archived). Always “**Security”** for Security Event Logs. - -**File**: \[Type = FILETIME\]: full path and filename of archived log file. - -The format of archived log file name is: “Archive-LOG\_FILE\_NAME-YYYY-MM-DD-hh-mm-ss-nnn.evtx”. Where: - -- LOG\_FILE\_NAME – the name of archived file. - -- Y – years. - -- M – months. - -- D – days. - -- h – hours. - -- m – minutes. - -- s – seconds. - -- n – fractional seconds. - -The time in this event is always in ***GMT+0/UTC+0*** time zone. - -## Security Monitoring Recommendations - -For 1105(S): Event log automatic backup. - -- Typically it’s an informational event and no actions are needed. But if your baseline settings are not set to [Archive the log when full, do not overwrite events](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc721981(v=ws.11)), then this event will be a sign that some settings are not set to baseline settings or were changed. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-1108.md b/windows/security/threat-protection/auditing/event-1108.md deleted file mode 100644 index df61026142..0000000000 --- a/windows/security/threat-protection/auditing/event-1108.md +++ /dev/null @@ -1,83 +0,0 @@ ---- -title: The event logging service encountered an error -description: Describes security event 1108(S) The event logging service encountered an error while processing an incoming event published from %1. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 1108(S): The event logging service encountered an error while processing an incoming event published from %1. - - -Event 1108 illustration - -***Subcategory:*** [Other Events](other-events.md) - -***Event Description:*** - -This event generates when event logging service encountered an error while processing an incoming event. - -It typically generates when logging service will not be able to correctly write the event to the event log or some parameters were not passed to logging service to log the event correctly. You will typically see a defective or incorrect event before 1108. - -For example, event 1108 might be generated after an incorrect [4703](event-4703.md) event: - -Event 4703, partial illustration - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 1108 - 0 - 2 - 101 - 0 - 0x4020000000000000 - - 5599 - - - Security - WIN-GG82ULGC9GO.contoso.local - - -- -- - - 0 - Microsoft-Windows-Security-Auditing - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008 R2, Windows 7. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**%1** \[Type = UnicodeString\]: the name of [security event source](/windows/win32/eventlog/event-sources) from which event was received for processing. You can see all registered security event source names in this registry path: “HKEY\_LOCAL\_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\EventLog\\Security”. Here is an example: - -Subkeys under Security key illustration - -## Security Monitoring Recommendations - -For 1108(S): The event logging service encountered an error while processing an incoming event published from %1. - -- We recommend monitoring for all events of this type and checking what the cause of the error was. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4608.md b/windows/security/threat-protection/auditing/event-4608.md deleted file mode 100644 index 4d229afc2d..0000000000 --- a/windows/security/threat-protection/auditing/event-4608.md +++ /dev/null @@ -1,69 +0,0 @@ ---- -title: 4608(S) Windows is starting up. -description: Describes security event 4608(S) Windows is starting up. This event is logged when the LSASS.EXE process starts and the auditing subsystem is initialized. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4608(S): Windows is starting up. - - -Event 4608 illustration - -***Subcategory:*** [Audit Security State Change](audit-security-state-change.md) - -***Event Description:*** - -This event is logged when LSASS.EXE process starts and the auditing subsystem is initialized. - -It typically generates during operating system startup process. - -> [!NOTE] -> For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -```xml -- -- - - 4608 - 0 - 0 - 12288 - 0 - 0x8020000000000000 - - 1101704 - - - Security - DC01.contoso.local - - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -For 4608(S): Windows is starting up. - -- With this event, you can track system startup events. - diff --git a/windows/security/threat-protection/auditing/event-4610.md b/windows/security/threat-protection/auditing/event-4610.md deleted file mode 100644 index a277e58ec7..0000000000 --- a/windows/security/threat-protection/auditing/event-4610.md +++ /dev/null @@ -1,77 +0,0 @@ ---- -title: 4610(S) An authentication package has been loaded by the Local Security Authority. -description: Describes security event 4610(S) An authentication package has been loaded by the Local Security Authority. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4610(S): An authentication package has been loaded by the Local Security Authority. - - -Event 4610 illustration - -***Subcategory:*** [Audit Security System Extension](audit-security-system-extension.md) - -***Event Description:*** - -This event generates every time [Authentication Package](/windows/win32/secauthn/authentication-packages) has been loaded by the Local Security Authority ([LSA](/windows/win32/secauthn/lsa-authentication)). - -Each time the system starts, the LSA loads the Authentication Package DLLs from **HKEY\_LOCAL\_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Lsa\\Authentication Packages** registry value and performs the initialization sequence for every package located in these DLLs. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4610 - 0 - 0 - 12289 - 0 - 0x8020000000000000 - - 1048138 - - - Security - DC01.contoso.local - - -- - C:\\Windows\\system32\\msv1\_0.DLL : MICROSOFT\_AUTHENTICATION\_PACKAGE\_V1\_0 - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Authentication Package Name** \[Type = UnicodeString\]**:** the name of loaded [Authentication Package](/windows/win32/secauthn/authentication-packages). The format is: DLL\_PATH\_AND\_NAME: AUTHENTICATION\_PACKAGE\_NAME. - -By default the only one Authentication Package loaded by Windows 10 is “[MICROSOFT\_AUTHENTICATION\_PACKAGE\_V1\_0](/windows/win32/secauthn/msv1-0-authentication-package)”. - -## Security Monitoring Recommendations - -For 4610(S): An authentication package has been loaded by the Local Security Authority. - -- Report all “**Authentication Package Name**” not equals “C:\\Windows\\system32\\msv1\_0.DLL : MICROSOFT\_AUTHENTICATION\_PACKAGE\_V1\_0”, because by default this is the only Authentication Package loaded by Windows 10. - -- Typically this event has an informational purpose. If you have a pre-defined list of allowed Authentication Packages in the system, then you can check whether “**Authentication Package Name”** is in your defined list. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4611.md b/windows/security/threat-protection/auditing/event-4611.md deleted file mode 100644 index 27574efa40..0000000000 --- a/windows/security/threat-protection/auditing/event-4611.md +++ /dev/null @@ -1,109 +0,0 @@ ---- -title: 4611(S) A trusted logon process has been registered with the Local Security Authority. -description: Describes security event 4611(S) A trusted logon process has been registered with the Local Security Authority. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4611(S): A trusted logon process has been registered with the Local Security Authority. - - -Event 4611 illustration - -***Subcategory:*** [Audit Security System Extension](audit-security-system-extension.md) - -***Event Description:*** - -This event indicates that a logon process has registered with the Local Security Authority ([LSA](/windows/win32/secauthn/lsa-authentication)). Also, logon requests will now be accepted from this source. - -At the technical level, the event does not come from the registration of a trusted logon process, but from a confirmation that the process is a trusted logon process. If it is a trusted logon process, the event generates. - -A logon process is a trusted part of the operating system that handles the overall logon function for different logon methods (network, interactive, etc.). - -You typically see these events during operating system startup or user logon and authentication actions. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4611 - 0 - 0 - 12289 - 0 - 0x8020000000000000 - - 1048175 - - - Security - DC01.contoso.local - - -- - S-1-5-18 - DC01$ - CONTOSO - 0x3e7 - Winlogon - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that registered the trusted logon process. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that registered the trusted logon process. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Logon Process Name** \[Type = UnicodeString\]**:** the name of registered logon process. - -## Security Monitoring Recommendations - -For 4611(S): A trusted logon process has been registered with the Local Security Authority. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Because this event is typically triggered by the SYSTEM account, we recommend that you report it whenever **“Subject\\Security ID”** is not SYSTEM. - -- Typically this event has an informational purpose. If you defined the list of allowed Logon Processes in the system, then you can check is “**Logon Process Name”** field value in the allow list or not. - -- \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4612.md b/windows/security/threat-protection/auditing/event-4612.md deleted file mode 100644 index fba5b23479..0000000000 --- a/windows/security/threat-protection/auditing/event-4612.md +++ /dev/null @@ -1,44 +0,0 @@ ---- -title: 4612(S) Internal resources allocated for the queuing of audit messages have been exhausted, leading to the loss of some audits. -description: Describes security event 4612(S) Internal resources allocated for the queuing of audit messages have been exhausted, leading to the loss of some audits. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4612(S): Internal resources allocated for the queuing of audit messages have been exhausted, leading to the loss of some audits. - - -This event is generated when audit queues are filled and events must be discarded. This most commonly occurs when security events are being generated faster than they are being written to disk. - -This event doesn't generate when the event log service is stopped or event log is full and events retention is disabled. - -There is no example of this event in this document. - -***Subcategory:*** [Audit System Integrity](audit-system-integrity.md) - -***Event Schema:*** - -*Internal resources allocated for the queuing of audit messages have been exhausted, leading to the loss of some audits.* - -*Number of audit messages discarded: %1* - -*This event is generated when audit queues are filled and events must be discarded. This most commonly occurs when security events are being generated faster than they are being written to disk, or when the auditing system loses connectivity to the event log, such as when the event log service is stopped.* - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -- This event can be a sign of hardware issues or lack of system resources (for example, RAM). We recommend monitoring this event and investigating the reason for the condition. - diff --git a/windows/security/threat-protection/auditing/event-4614.md b/windows/security/threat-protection/auditing/event-4614.md deleted file mode 100644 index 7742a34ee9..0000000000 --- a/windows/security/threat-protection/auditing/event-4614.md +++ /dev/null @@ -1,77 +0,0 @@ ---- -title: 4614(S) A notification package has been loaded by the Security Account Manager. -description: Describes security event 4614(S) A notification package has been loaded by the Security Account Manager. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4614(S): A notification package has been loaded by the Security Account Manager. - - -Event 4614 illustration - -***Subcategory:*** [Audit Security System Extension](audit-security-system-extension.md) - -***Event Description:*** - -This event generates every time a Notification Package has been loaded by the [Security Account Manager](/previous-versions/windows/it-pro/windows-server-2003/cc756748(v=ws.10)). - -In reality, starting with Windows Vista, a notification package should be interpreted as afs [Password Filter](/windows/win32/secmgmt/password-filters). - -Password Filters are DLLs that are loaded or called when passwords are set or changed. - -Each time a system starts, it loads the notification package DLLs from **HKEY\_LOCAL\_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Lsa\\Notification Packages** registry value and performs the initialization sequence for every package. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4614 - 0 - 0 - 12289 - 0 - 0x8020000000000000 - - 1048140 - - - Security - DC01.contoso.local - - -- - WDIGEST - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Notification Package Name** \[Type = UnicodeString\]**:** the name of loaded Notification Package. - -## Security Monitoring Recommendations - -For 4614(S): A notification package has been loaded by the Security Account Manager. - -- Typically this event has an informational purpose. If you defined the list of allowed Notification Packages in the system, then you can check is “**Notification Package Name”** field value in the allow list or not. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4615.md b/windows/security/threat-protection/auditing/event-4615.md deleted file mode 100644 index c8a16371bd..0000000000 --- a/windows/security/threat-protection/auditing/event-4615.md +++ /dev/null @@ -1,58 +0,0 @@ ---- -title: 4615(S) Invalid use of LPC port. -description: Describes security event 4615(S) Invalid use of LPC port. It appears that the Invalid use of LPC port event never occurs. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4615(S): Invalid use of LPC port. - - -It appears that this event never occurs. - -***Subcategory:*** [Audit System Integrity](audit-system-integrity.md) - -***Event Schema:*** - -*Invalid use of LPC port.* - -*Subject:* - -> *Security ID%1* -> -> *Account Name:%2* -> -> *Account Domain:%3* -> -> *Logon ID:%4* - -*Process Information:* - -> *PID:%7* -> -> *Name:%8* - -*Invalid Use:%5* - -*LPC Server Port Name:%6* - -*Windows Local Security Authority (LSA) communicates with the Windows kernel using Local Procedure Call (LPC) ports. If you see this event, an application has inadvertently or intentionally accessed this port which is reserved exclusively for LSA’s use. The application (process) should be investigated to ensure that it is not attempting to tamper with this communications channel."* - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -- There is no recommendation for this event in this document. - diff --git a/windows/security/threat-protection/auditing/event-4616.md b/windows/security/threat-protection/auditing/event-4616.md deleted file mode 100644 index 91890bb297..0000000000 --- a/windows/security/threat-protection/auditing/event-4616.md +++ /dev/null @@ -1,176 +0,0 @@ ---- -title: 4616(S) The system time was changed. -description: Describes security event 4616(S) The system time was changed. This event is generated every time system time is changed. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4616(S): The system time was changed. - - -Event 4616 illustration - -***Subcategory:*** [Audit Security State Change](audit-security-state-change.md) - -***Event Description:*** - -This event generates every time system time was changed. - -This event is always logged regardless of the "Audit Security State Change" sub-category setting. - -You will typically see these events with “**Subject\\Security ID**” = “**LOCAL SERVICE**”, these are normal time correction actions. - -> [!NOTE] -> For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -```xml -- -- - - 4616 - 1 - 0 - 12288 - 0 - 0x8020000000000000 - - 1101699 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x48f29 - 2015-10-09T05:04:30.000941900Z - 2015-10-09T05:04:30.000000000Z - 0x1074 - C:\\Windows\\WinSxS\\amd64\_microsoft-windows-com-surrogate-core\_31bf3856ad364e35\_6.3.9600.16384\_none\_25a8f00faa8f185c\\dllhost.exe - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** - -- 0 - Windows Server 2008, Windows Vista. - -- 1 - Windows Server 2008 R2, Windows 7. - - - Added “Process Information” section. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “change system time” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - - > [!NOTE] - > A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “change system time” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Process Information** \[Version 1\]**:** - -- **Process ID** \[Type = Pointer\] \[Version 1\]: hexadecimal Process ID of the process that changed the system time. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Name** \[Type = UnicodeString\] \[Version 1\]**:** full path and the name of the executable for the process. - -**Previous Time** \[Type = FILETIME\]: previous time in ***UTC*** time zone. The format is **YYYY-MM-DDThh:mm:ss.nnnnnnnZ**: - -- Y - years - -- M - months - -- D - days - -- T - the beginning of the time element, as specified in [ISO 8601](http://www.iso.org/iso/home/standards/iso8601.htm). - -- h - hours - -- m - minutes - -- s - seconds - -- n - fractional seconds - -- Z - the zone designator for the zero UTC offset. "09:30 UTC" is therefore represented as "09:30Z". "14:45:15 UTC" would be "14:45:15Z". - -**New Time** \[Type = FILETIME\]: new time that was set in ***UTC*** time zone. The format is **YYYY-MM-DDThh:mm:ss.nnnnnnnZ**: - -- Y - years - -- M - months - -- D - days - -- T - the beginning of the time element, as specified in [ISO 8601](http://www.iso.org/iso/home/standards/iso8601.htm). - -- h - hours - -- m - minutes - -- s - seconds - -- n - fractional seconds - -- Z - the zone designator for the zero UTC offset. "09:30 UTC" is therefore represented as "09:30Z". "14:45:15 UTC" would be "14:45:15Z". - -## Security Monitoring Recommendations - -For 4616(S): The system time was changed. - -> [!IMPORTANT] -> For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Report all “**Subject\\Security ID**” not equals **“LOCAL SERVICE”**, which means that the time change was not made by Windows Time service. - -- Report all “**Process Information\\Name**” not equals **“C:\\Windows\\System32\\svchost.exe”** (path to svchost.exe can be different, you can search for “svchost.exe” substring), which means that the time change was not made by Windows Time service. - - - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - diff --git a/windows/security/threat-protection/auditing/event-4618.md b/windows/security/threat-protection/auditing/event-4618.md deleted file mode 100644 index 888ba46e90..0000000000 --- a/windows/security/threat-protection/auditing/event-4618.md +++ /dev/null @@ -1,98 +0,0 @@ ---- -title: 4618(S) A monitored security event pattern has occurred. -description: Describes security event 4618(S) A monitored security event pattern has occurred. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4618(S): A monitored security event pattern has occurred. - - -***Subcategory:*** [Audit System Integrity](audit-system-integrity.md) - -This event can be generated (invoked) only externally using the following command: - -**%windir%\\system32\\rundll32 %windir%\\system32\\authz.dll,AuthziGenerateAdminAlertAudit OrgEventId ComputerName UserSid UserName UserDomain UserLogonId EventCount Duration** - -Account must have **SeAuditPrivilege** (Generate security audits) to be able to generate this event. - -- **UserSid** is resolved when viewing the event in event viewer. - -- Only **OrgEventID**, **ComputerName**, and **EventCount** are required—others are optional. Fields not specified appear with “**-**“ in the event description field. - -- If a field doesn’t match the expected data type, the event is not generated. That is, if **EventCount** = “XYZ”, then no event is generated. - -- **UserSid**, **UserName**, and **UserDomain** are not related to each other (think **SubjectUser** fields, where they are) - -- Parameters are space delimited, even if a parameter is enclosed in double-quotes. - -- Here are the expected data types for the parameters: - -| Parameter | Expected Data Type | -|--------------|--------------------------------------------------| -| OrgEventID | Ulong | -| ComputerName | String | -| UserSid | SID (in string format) | -| UserName | String | -| UserDomain | String | -| UserLogonID | Luid (a ULongLong converted to Hex in the event) | -| EventCount | Ulong | -| Duration | String | - -Event 4618 illustration - -
- -***Event XML:*** -``` -- -- - - 4618 - 0 - 0 - 12290 - 0 - 0x8020000000000000 - - 1198759 - - - Security - DC01.contoso.local - - -- - 4624 - DC01.contoso.local - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x1 - 10 - “Hour" - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -For 4618(S): A monitored security event pattern has occurred. - -- This event can be invoked only manually/intentionally, it is up to you how to interpret this event depends on information you put inside of it. - diff --git a/windows/security/threat-protection/auditing/event-4621.md b/windows/security/threat-protection/auditing/event-4621.md deleted file mode 100644 index 23a502abad..0000000000 --- a/windows/security/threat-protection/auditing/event-4621.md +++ /dev/null @@ -1,44 +0,0 @@ ---- -title: 4621(S) Administrator recovered system from CrashOnAuditFail. -description: Describes security event 4621(S) Administrator recovered system from CrashOnAuditFail. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4621(S): Administrator recovered system from CrashOnAuditFail. - - - -This event is logged after a system reboots following [CrashOnAuditFail](/previous-versions/windows/it-pro/windows-2000-server/cc963220(v=technet.10)?f=255&MSPPError=-2147217396). It generates when CrashOnAuditFail = 2. - -There is no example of this event in this document. - -***Subcategory:*** [Audit Security State Change](audit-security-state-change.md) - -***Event Schema:*** - -*Administrator recovered system from CrashOnAuditFail. Users who are not administrators will now be allowed to log on. Some auditable activity might not have been recorded.* - -*Value of CrashOnAuditFail:%1* - -*This event is logged after a system reboots following CrashOnAuditFail.* - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -- We recommend triggering an alert for any occurrence of this event. The event shows that the system halted because it could not record an auditable event in the Security Log, as described in [CrashOnAuditFail](/previous-versions/windows/it-pro/windows-2000-server/cc963220(v=technet.10)?f=255&MSPPError=-2147217396). - -- If your computers don’t have the [CrashOnAuditFail](/previous-versions/windows/it-pro/windows-2000-server/cc963220(v=technet.10)?f=255&MSPPError=-2147217396) flag enabled, then this event will be a sign that some settings are not set to baseline settings or were changed. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4622.md b/windows/security/threat-protection/auditing/event-4622.md deleted file mode 100644 index c55bf6a9b2..0000000000 --- a/windows/security/threat-protection/auditing/event-4622.md +++ /dev/null @@ -1,99 +0,0 @@ ---- -title: 4622(S) A security package has been loaded by the Local Security Authority. -description: Describes security event 4622(S) A security package has been loaded by the Local Security Authority. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4622(S): A security package has been loaded by the Local Security Authority. - - -Event 4622 illustration - -***Subcategory:*** [Audit Security System Extension](audit-security-system-extension.md) - -***Event Description:*** - -This event generates every time [Security Package](/windows/win32/secauthn/ssp-aps-versus-ssps) has been loaded by the Local Security Authority ([LSA](/windows/win32/secauthn/lsa-authentication)). - -Security Package is the software implementation of a security protocol (Kerberos, NTLM, for example). Security packages are contained in security support provider DLLs or security support provider/authentication package DLLs. - -Each time the system starts, the LSA loads the Security Package DLLs from **HKEY\_LOCAL\_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Lsa\\OSConfig\\Security Packages** registry value and performs the initialization sequence for every package located in these DLLs. - -It is also possible to add security package dynamically using [AddSecurityPackage](/windows/win32/api/sspi/nf-sspi-addsecuritypackagea) function, not only during system startup process. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4622 - 0 - 0 - 12289 - 0 - 0x8020000000000000 - - 1048131 - - - Security - DC01.contoso.local - - -- - C:\\Windows\\system32\\kerberos.DLL : Kerberos - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Security Package Name** \[Type = UnicodeString\]**:** the name of loaded Security Package. The format is: DLL\_PATH\_AND\_NAME: SECURITY\_PACKAGE\_NAME. - -These are some Security Package DLLs loaded by default in Windows 10: - -- C:\\Windows\\system32\\schannel.DLL : Microsoft Unified Security Protocol Provider - -- C:\\Windows\\system32\\schannel.DLL : Schannel - -- C:\\Windows\\system32\\cloudAP.DLL : CloudAP - -- C:\\Windows\\system32\\wdigest.DLL : WDigest - -- C:\\Windows\\system32\\pku2u.DLL : pku2u - -- C:\\Windows\\system32\\tspkg.DLL : TSSSP - -- C:\\Windows\\system32\\msv1\_0.DLL : NTLM - -- C:\\Windows\\system32\\kerberos.DLL : Kerberos - -- C:\\Windows\\system32\\negoexts.DLL : NegoExtender - -- C:\\Windows\\system32\\lsasrv.dll : Negotiate - -## Security Monitoring Recommendations - -For 4622(S): A security package has been loaded by the Local Security Authority. - -- Typically this event has an informational purpose. If you defined the list of allowed Security Packages in the system, then you can check is “**Security Package Name”** field value in the allowlist or not. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4624.md b/windows/security/threat-protection/auditing/event-4624.md deleted file mode 100644 index 84e8eaa64e..0000000000 --- a/windows/security/threat-protection/auditing/event-4624.md +++ /dev/null @@ -1,322 +0,0 @@ ---- -title: 4624(S) An account was successfully logged on. -description: Describes security event 4624(S) An account was successfully logged on. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.collection: tier3 -ms.topic: reference ---- - -# 4624(S): An account was successfully logged on. - - -Event 4624 illustration - -***Subcategory:*** [Audit Logon](audit-logon.md) - -***Event Description:*** - -This event generates when a logon session is created (on destination machine). It generates on the computer that was accessed, where the session was created. - -> [!NOTE] -> For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -```xml - - - - - 4624 - 2 - 0 - 12544 - 0 - 0x8020000000000000 - - 211 - - - Security - WIN-GG82ULGC9GO - - - - S-1-5-18 - WIN-GG82ULGC9GO$ - WORKGROUP - 0x3e7 - S-1-5-21-1377283216-344919071-3415362939-500 - Administrator - WIN-GG82ULGC9GO - 0x8dcdc - 2 - User32 - Negotiate - WIN-GG82ULGC9GO - {00000000-0000-0000-0000-000000000000} - - - - - 0 - 0x44c - C:\\Windows\\System32\\svchost.exe - 127.0.0.1 - 0 - %%1833 - - - - - - - %%1843 - 0x0 - %%1842 - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** - -- 0 - Windows Server 2008, Windows Vista. - -- 1 - Windows Server 2012, Windows 8. - - - Added "Impersonation Level" field. - -- 2 - Windows 10. - - - Added "Logon Information:" section. - - - **Logon Type** moved to "Logon Information:" section. - - - Added "Restricted Admin Mode" field. - - - Added "Virtual Account" field. - - - Added "Elevated Token" field. - - - Added "Linked Logon ID" field. - - - Added "Network Account Name" field. - - - Added "Network Account Domain" field. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** [Type = SID]**:** SID of account that reported information about successful logon or invokes it. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID can't be resolved, you'll see the source data in the event. - - This field can also contain no subject user information, but the NULL Sid "S-1-0-0" and no user or domain information. - - > [!NOTE] - > A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it can't ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** [Type = UnicodeString]**:** the name of the account that reported information about successful logon. - -- **Account Domain** [Type = UnicodeString]**:** subject's domain or computer name. Formats vary, and include the following information: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is "NT AUTHORITY". - - - For local user accounts, this field contains the name of the computer or device that this account belongs to, for example: `Win81`. - -- **Logon ID** [Type = HexInt64]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, "[4672](event-4672.md)(S): Special privileges assigned to new logon." - -**Logon Information** [Version 2]**:** - -- **Logon Type** [Version 0, 1, 2] [Type = UInt32]**:** the type of logon that happened. The following table contains the list of possible values for this field. - -## Logon types and descriptions - -| Logon Type | Logon Title | Description | -|:----------:|---------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| `0` | `System` | Used only by the System account, for example at system startup. | -| `2` | `Interactive` | A user logged on to this computer. | -| `3` | `Network` | A user or computer logged on to this computer from the network. | -| `4` | `Batch` | Batch logon type is used by batch servers, where processes can be run on behalf of a user without their direct intervention. | -| `5` | `Service` | The Service Control Manager started a service. | -| `7` | `Unlock` | This workstation was unlocked. | -| `8` | `NetworkCleartext` | A user logged on to this computer from the network. The user's password was passed to the authentication package in its unhashed form. The built-in authentication packages all hash credentials before sending them across the network. The credentials don't traverse the network in plaintext (also called cleartext). | -| `9` | `NewCredentials` | A caller cloned its current token and specified new credentials for outbound connections. The new logon session has the same local identity, but uses different credentials for other network connections. | -| `10` | `RemoteInteractive` | A user logged on to this computer remotely using Terminal Services or Remote Desktop. | -| `11` | `CachedInteractive` | A user logged on to this computer with network credentials that were stored locally on the computer. The domain controller wasn't contacted to verify the credentials. | -| `12` | `CachedRemoteInteractive` | Same as RemoteInteractive. This type is used for internal auditing. | -| `13` | `CachedUnlock` | Workstation logon. | - -- **Restricted Admin Mode** [Version 2] [Type = UnicodeString]**:** Only populated for **RemoteInteractive** logon type sessions. This value is a Yes/No flag indicating if the credentials provided were passed using Restricted Admin mode. Restricted Admin mode was added in Windows 8.1 and Windows Server 2012 R2, but this flag was added to the event in Windows 10. - - Reference: . - - If not a **RemoteInteractive** logon, then this value is the string: `-` - -- **Virtual Account** [Version 2] [Type = UnicodeString]**:** a "Yes" or "No" flag, which indicates if the account is a virtual account (for example, "[Managed Service Account](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd560633(v=ws.10))"), which was introduced in Windows 7 and Windows Server 2008 R2 to identify the account that a given Service uses, instead of just using "NetworkService". - -- **Elevated Token** [Version 2] [Type = UnicodeString]**:** a "Yes" or "No" flag. If "Yes", then the session this event represents is elevated and has administrator privileges. - -**Impersonation Level** [Version 1, 2] [Type = UnicodeString]: can have one of these four values: - -- SecurityAnonymous (displayed as **empty string**): The server process can't obtain identification information about the client, and it can't impersonate the client. It's defined with no value given, and thus, by ANSI C rules, defaults to a value of zero. - -- SecurityIdentification (displayed as "**Identification**"): The server process can obtain information about the client, such as security identifiers and privileges, but it can't impersonate the client. This value is useful for servers that export their own objects, for example, database products that export tables and views. Using the retrieved client-security information, the server can make access-validation decisions without being able to use other services that are using the client's security context. - -- SecurityImpersonation (displayed as "**Impersonation**"): The server process can impersonate the client's security context on its local system. The server can't impersonate the client on remote systems. This type is the most common. - -- SecurityDelegation (displayed as "**Delegation**"): The server process can impersonate the client's security context on remote systems. - -**New Logon:** - -- **Security ID** [Type = SID]**:** SID of account for which logon was performed. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID can't be resolved, you'll see the source data in the event. - - > [!NOTE] - > A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** [Type = UnicodeString]**:** the name of the account for which logon was performed. - -- **Account Domain** [Type = UnicodeString]**:** subject's domain or computer name. Formats vary, and include the following information: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is "NT AUTHORITY". - - - For local user accounts, this field contains the name of the computer or device that this account belongs to, for example: `Win81`. - -- **Logon ID** [Type = HexInt64]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, "[4672](event-4672.md)(S): Special privileges assigned to new logon." - -- **Linked Logon ID** [Version 2] [Type = HexInt64]**:** A hexadecimal value of the paired logon session. If there's no other logon session associated with this logon session, then the value is "**0x0**". - -- **Network Account Name** [Version 2] [Type = UnicodeString]**:** User name that's used for outbound (network) connections. Valid only for [NewCredentials](#logon-types-and-descriptions) logon type. - - If not **NewCredentials** logon, then this value will be the string: `-` - -- **Network Account Domain** [Version 2] [Type = UnicodeString]**:** Domain for the user that's used for outbound (network) connections. Valid only for [NewCredentials](#logon-types-and-descriptions) logon type. - - If not **NewCredentials** logon, then this value will be the string: `-` - -- **Logon GUID** [Type = GUID]: a GUID that can help you correlate this event with another event that can contain the same **Logon GUID**, "[4769](event-4769.md)(S, F): A Kerberos service ticket was requested event on a domain controller. - - It also can be used for correlation between a 4624 event and several other events (on the same computer) that can contain the same **Logon GUID**, "[4648](event-4648.md)(S): A logon was attempted using explicit credentials" and "[4964](event-4964.md)(S): Special groups have been assigned to a new logon." - - This parameter might not be captured in the event, and in that case appears as "{00000000-0000-0000-0000-000000000000}". - - > [!NOTE] - > **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities, or instances. - -**Process Information:** - -- **Process ID** [Type = Pointer]: hexadecimal Process ID of the process that attempted the logon. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, "[4688](event-4688.md): A new process has been created" **Process Information\\New Process ID**. - -- **Process Name** [Type = UnicodeString]**:** full path and the name of the executable for the process. - -**Network Information:** - -- **Workstation Name** [Type = UnicodeString]**:** machine name from which a logon attempt was performed. - -- **Source Network Address** [Type = UnicodeString]**:** IP address of machine from which logon attempt was performed. - - - IPv6 address or IPv4 address of a client. - - - `::1` or `127.0.0.1` means localhost. - -- **Source Port** [Type = UnicodeString]: The source port that was used for logon attempt from remote machine. - - - 0 for interactive logons. - -> [!NOTE] -> The fields for IP address/port and workstation name are populated depending on the authentication context and protocol used. LSASS will audit the information the authenticating service shares with LSASS. For example, network logons with Kerberos likely have no workstation information, and NTLM logons have no TCP/IP details. - -**Detailed Authentication Information:** - -- **Logon Process** [Type = UnicodeString]**:** the name of the trusted logon process that was used for the logon. See event "[4611](event-4611.md): A trusted logon process has been registered with the Local Security Authority" description for more information. - -- **Authentication Package** [Type = UnicodeString]**:** The name of the authentication package that was used for the logon authentication process. Default packages loaded on LSA startup are located in "HKLM\\SYSTEM\\CurrentControlSet\\Control\\Lsa\\OSConfig" registry key. Other packages can be loaded at runtime. When a new package is loaded a "[4610](event-4610.md): An authentication package has been loaded by the Local Security Authority" (typically for NTLM) or "[4622](event-4622.md): A security package has been loaded by the Local Security Authority" (typically for Kerberos) event is logged to indicate that a new package has been loaded along with the package name. The most common authentication packages are: - - - **NTLM** - NTLM-family Authentication - - - **Kerberos** - Kerberos authentication. - - - **Negotiate** - the Negotiate security package selects between Kerberos and NTLM protocols. Negotiate selects Kerberos unless it can't be used by one of the systems involved in the authentication or the calling application didn't provide sufficient information to use Kerberos. - -- **Transited Services** [Type = UnicodeString] [Kerberos-only]**:** the list of transmitted services. Transmitted services are populated if the logon was a result of a S4U (Service For User) logon process. S4U is a Microsoft extension to the Kerberos Protocol to allow an application service to obtain a Kerberos service ticket on behalf of a user - most commonly done by a front-end website to access an internal resource on behalf of a user. For more information about S4U, see - -- **Package Name (NTLM only)** [Type = UnicodeString]**:** The name of the LAN Manager subpackage ([NTLM-family](/openspecs/windows_protocols/ms-nlmp/c50a85f0-5940-42d8-9e82-ed206902e919) protocol name) that was used during logon. Possible values are: - - - "NTLM V1" - - - "NTLM V2" - - - "LM" - - Only populated if "**Authentication Package" = "NTLM"**. - -- **Key Length** [Type = UInt32]**:** the length of [NTLM Session Security](/openspecs/windows_protocols/ms-nlmp/99d90ff4-957f-4c8a-80e4-5bfe5a9a9832) key. Typically it has 128-bit or 56-bit length. This parameter is always 0 if "**Authentication Package" = "Kerberos"**, because it isn't applicable for Kerberos protocol. This field also has a `0` value if Kerberos was negotiated using **Negotiate** authentication package. - -## Security Monitoring Recommendations - -For 4624(S): An account was successfully logged on. - -| Type of monitoring required | Recommendation | -|-----------------------------|-------------------------| -| **High-value accounts**: You might have high-value domain or local accounts for which you need to monitor each action.
Examples of high-value accounts are database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts and so on. | Monitor this event with the **"New Logon\\Security ID"** that corresponds to the high-value account or accounts. | -| **Anomalies or malicious actions**: You might have specific requirements for detecting anomalies or monitoring potential malicious actions. For example, you might need to monitor for use of an account outside of working hours. | When you monitor for anomalies or malicious actions, use the **"New Logon\\Security ID"** (with other information) to monitor how or when a particular account is being used. | -| **Non-active accounts**: You might have nonactive, disabled, or guest accounts, or other accounts that should never be used. | Monitor this event with the **"New Logon\\Security ID"** that corresponds to the accounts that should never be used. | -| **Account allowlist**: You might have a specific allowlist of accounts that are the only ones allowed to perform actions corresponding to particular events. | If this event corresponds to an "allowlist-only" action, review the **"New Logon\\Security ID"** for accounts that are outside the allowlist. | -| **Accounts of different types**: Make sure that certain actions run only by certain account types. For example, local or domain account, machine or user account, or vendor or employee account. | If this event corresponds to an action you want to monitor for certain account types, review the **"New Logon\\Security ID"** to see whether the account type is as expected. | -| **External accounts**: You might be monitoring accounts from another domain, or "external" accounts that aren't allowed to perform certain actions (represented by certain specific events). | Monitor this event for the **"Subject\\Account Domain"** corresponding to accounts from another domain or "external" accounts. | -| **Restricted-use computers or devices**: You might have certain computers, machines, or devices on which certain people (accounts) shouldn't typically perform any actions. | Monitor the target **Computer:** (or other target device) for actions performed by the **"New Logon\\Security ID"** that you're concerned about. | -| **Account naming conventions**: Your organization might have specific naming conventions for account names. | Monitor "**Subject\\Account Name"** for names that don't comply with naming conventions. | - -- Because this event is typically triggered by the SYSTEM account, we recommend that you report it whenever **"Subject\\Security ID"** isn't SYSTEM. - -- If "**Restricted Admin**" mode must be used for logons by certain accounts, use this event to monitor logons by "**New Logon\\Security ID**" in relation to "**Logon Type**"=10 and "**Restricted Admin Mode**"="Yes". If "**Restricted Admin Mode**"="No" for these accounts, trigger an alert. - -- If you need to monitor all logon events for accounts with administrator privileges, monitor this event with "**Elevated Token**"="Yes". - -- If you need to monitor all logon events for managed service accounts and group managed service accounts, monitor for events with "**Virtual Account**"="Yes". - -- To monitor for a mismatch between the logon type and the account that uses it (for example, if **Logon Type** 4-Batch or 5-Service is used by a member of a domain administrative group), monitor **Logon Type** in this event. - -- If your organization restricts logons in the following ways, you can use this event to monitor accordingly: - - - If the user account **"New Logon\\Security ID"** should never be used to log on from the specific **Computer:**. - - - If **New Logon\\Security ID** credentials shouldn't be used from **Workstation Name** or **Source Network Address**. - - - If a specific account, such as a service account, should only be used from your internal IP address list (or some other list of IP addresses). In this case, you can monitor for **Network Information\\Source Network Address** and compare the network address with your list of IP addresses. - - - If a particular version of NTLM is always used in your organization. In this case, you can use this event to monitor **Package Name (NTLM only)**, for example, to find events where **Package Name (NTLM only)** doesn't equal **NTLM V2**. - - - If NTLM isn't used in your organization, or shouldn't be used by a specific account (**New Logon\\Security ID**). In this case, monitor for all events where **Authentication Package** is NTLM. - - - If the **Authentication Package** is NTLM. In this case, monitor for **Key Length** not equal to 128, because all Windows operating systems starting with Windows 2000 support 128-bit Key Length. - -- If you monitor for potentially malicious software, or software that isn't authorized to request logon actions, monitor this event for **Process Name**. - -- If you have a trusted logon processes list, monitor for a **Logon Process** that isn't from the list. diff --git a/windows/security/threat-protection/auditing/event-4625.md b/windows/security/threat-protection/auditing/event-4625.md deleted file mode 100644 index 0cb398d228..0000000000 --- a/windows/security/threat-protection/auditing/event-4625.md +++ /dev/null @@ -1,270 +0,0 @@ ---- -title: 4625(F) An account failed to log on. -description: Describes security event 4625(F) An account failed to log on. This event is generated if an account logon attempt failed for a locked out account. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 01/03/2022 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.collection: - - highpri - - tier3 -ms.topic: reference ---- - -# 4625(F): An account failed to log on. - - -Event 4625 illustration - -***Subcategories:*** [Audit Account Lockout](audit-account-lockout.md) and [Audit Logon](audit-logon.md) - -***Event Description:*** - -This event is logged for any logon failure. - -It generates on the computer where logon attempt was made, for example, if logon attempt was made on user's workstation, then event will be logged on this workstation. - -This event generates on domain controllers, member servers, and workstations. - -> [!NOTE] -> For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -```xml -- -- - - 4625 - 0 - 0 - 12546 - 0 - 0x8010000000000000 - - 229977 - - - Security - DC01.contoso.local - - -- - S-1-5-18 - DC01$ - CONTOSO - 0x3e7 - S-1-0-0 - Auditor - CONTOSO - 0xc0000234 - %%2307 - 0x0 - 2 - User32 - Negotiate - DC01 - - - - - 0 - 0x1bc - C:\\Windows\\System32\\winlogon.exe - 127.0.0.1 - 0 - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that reported information about logon failure. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - - > [!NOTE] - > A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that reported information about logon failure. - -- **Account Domain** \[Type = UnicodeString\]**:** subject's domain or computer name. Here are some examples of formats: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is "NT AUTHORITY". - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: "Win81". - -- **Logon Type** \[Type = UInt32\]**:** the type of logon that was performed. "Table 11. Windows Logon Types" contains the list of possible values for this field. - - - **Table 11: Windows Logon Types** - - | Logon Type | Logon Title | Description | - |-----------------------------------------------------------------|-------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| - | 2 | Interactive | A user logged on to this computer. | - | 3 | Network | A user or computer logged on to this computer from the network. | - | 4 | Batch | Batch logon type is used by batch servers, where processes may be executing on behalf of a user without their direct intervention. | - | 5 | Service | A service was started by the Service Control Manager. | - | 7 | Unlock | This workstation was unlocked. | - | 8 | NetworkCleartext | A user logged on to this computer from the network. The user's password was passed to the authentication package in its unhashed form. The built-in authentication packages all hash credentials before sending them across the network. The credentials do not traverse the network in plaintext (also called cleartext). | - | 9 | NewCredentials | A caller cloned its current token and specified new credentials for outbound connections. The new logon session has the same local identity, but uses different credentials for other network connections. | - | 10 | RemoteInteractive | A user logged on to this computer remotely using Terminal Services or Remote Desktop. | - | 11 | CachedInteractive | A user logged on to this computer with network credentials that were stored locally on the computer. The domain controller was not contacted to verify the credentials. | - - -**Account For Which Logon Failed:** - -- **Security ID** \[Type = SID\]**:** SID of the account that was specified in the logon attempt. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - - > [!NOTE] - > A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that was specified in the logon attempt. - -- **Account Domain** \[Type = UnicodeString\]**:** domain or computer name. Here are some examples of formats: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is "NT AUTHORITY". - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: "Win81". - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, "[4624](event-4624.md): An account was successfully logged on." - -**Failure Information:** - -- **Failure Reason** \[Type = UnicodeString\]**:** textual explanation of **Status** field value. For this event, it typically has "**Account locked out**" value. - -- **Status** \[Type = HexInt32\]**:** the reason why logon failed. For this event, it typically has "**0xC0000234**" value. - -- **Sub Status** \[Type = HexInt32\]**:** additional information about logon failure. - -> [!NOTE] -> For more information about various Status or Sub Status codes, see [NTSTATUS Values](/openspecs/windows_protocols/ms-erref/596a1078-e883-4972-9bbc-49e60bebca55). - -**Process Information:** - -- **Caller Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process that attempted the logon. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column):

- - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, "[4688](event-4688.md): A new process has been created" **Process Information\\New Process ID**. - -- **Caller Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Network Information:** - -- **Workstation Name** \[Type = UnicodeString\]**:** machine name from which logon attempt was performed. - -- **Source Network Address** \[Type = UnicodeString\]**:** IP address of machine from which logon attempt was performed. - - - IPv6 address or ::ffff:IPv4 address of a client. - - - ::1 or 127.0.0.1 means localhost. - -- **Source Port** \[Type = UnicodeString\]: source port that was used for logon attempt from remote machine. - - - 0 for interactive logons. - -**Detailed Authentication Information:** - -- **Logon Process** \[Type = UnicodeString\]**:** the name of the trusted logon process that was used for the logon attempt. See event "[4611](event-4611.md): A trusted logon process has been registered with the Local Security Authority" description for more information. - -- **Authentication Package** \[Type = UnicodeString\]**:** The name of the authentication package that was used for the logon authentication process. Default packages loaded on LSA startup are located in "HKLM\\SYSTEM\\CurrentControlSet\\Control\\Lsa\\OSConfig" registry key. Other packages can be loaded at runtime. When a new package is loaded a "[4610](event-4610.md): An authentication package has been loaded by the Local Security Authority" (typically for NTLM) or "[4622](event-4622.md): A security package has been loaded by the Local Security Authority" (typically for Kerberos) event is logged to indicate that a new package has been loaded along with the package name. The most common authentication packages are: - - - **NTLM** – NTLM-family Authentication - - - **Kerberos** – Kerberos authentication. - - - **Negotiate** – the Negotiate security package selects between Kerberos and NTLM protocols. Negotiate selects Kerberos unless it cannot be used by one of the systems involved in the authentication or the calling application did not provide sufficient information to use Kerberos. - -- **Transited Services** \[Type = UnicodeString\] \[Kerberos-only\]**:** the list of transmitted services. Transmitted services are populated if the logon was a result of a S4U (Service For User) logon process. S4U is a Microsoft extension to the Kerberos Protocol to allow an application service to obtain a Kerberos service ticket on behalf of a user – most commonly done by a front-end website to access an internal resource on behalf of a user. For more information about S4U, see - -- **Package Name (NTLM only)** \[Type = UnicodeString\]**:** The name of the LAN Manager subpackage ([NTLM-family](/openspecs/windows_protocols/ms-nlmp/c50a85f0-5940-42d8-9e82-ed206902e919) protocol name) that was used during the logon attempt. Possible values are: - - - "NTLM V1" - - - "NTLM V2" - - - "LM" - - Only populated if "**Authentication Package" = "NTLM"**. - -- **Key Length** \[Type = UInt32\]**:** the length of [NTLM Session Security](/openspecs/windows_protocols/ms-nlmp/99d90ff4-957f-4c8a-80e4-5bfe5a9a9832) key. Typically, it has a length of 128 bits or 56 bits. This parameter is always 0 if **"Authentication Package" = "Kerberos"**, because it is not applicable for Kerberos protocol. This field will also have "0" value if Kerberos was negotiated using **Negotiate** authentication package. - -## Security Monitoring Recommendations - -For 4625(F): An account failed to log on. - -> [!IMPORTANT] -> For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If you have a pre-defined "**Process Name**" for the process reported in this event, monitor all events with "**Process Name**" not equal to your defined value. - -- You can monitor to see if "**Process Name**" is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, "**mimikatz**" or "**cain.exe**"), check for these substrings in "**Process Name**." - -- If **Subject\\Account Name** is a name of service account or user account, it may be useful to investigate whether that account is allowed (or expected) to request logon for **Account For Which Logon Failed\\Security ID**. - -- To monitor for a mismatch between the logon type and the account that uses it (for example, if **Logon Type** 4-Batch or 5-Service is used by a member of a domain administrative group), monitor **Logon Type** in this event. - -- If you have a high-value domain or local account for which you need to monitor every lockout, monitor all [4625](event-4625.md) events with the **"Subject\\Security ID"** that corresponds to the account. - -- We recommend monitoring all [4625](event-4625.md) events for local accounts, because these accounts typically should not be locked out. Monitoring is especially relevant for critical servers, administrative workstations, and other high-value assets. - -- We recommend monitoring all [4625](event-4625.md) events for service accounts, because these accounts should not be locked out or prevented from functioning. Monitoring is especially relevant for critical servers, administrative workstations, and other high value assets. - -- If your organization restricts logons in the following ways, you can use this event to monitor accordingly: - - - If the **"Account For Which Logon Failed \\Security ID"** should never be used to log on from the specific **Network Information\\Workstation Name**. - - - If a specific account, such as a service account, should only be used from your internal IP address list (or some other list of IP addresses). In this case, you can monitor for **Network Information\\Source Network Address** and compare the network address with your list of IP addresses. - - - If a particular version of NTLM is always used in your organization. In this case, you can use this event to monitor **Package Name (NTLM only)**, for example, to find events where **Package Name (NTLM only)** does not equal **NTLM V2**. - - - If NTLM is not used in your organization, or should not be used by a specific account (**New Logon\\Security ID**). In this case, monitor for all events where **Authentication Package** is NTLM. - - - If the **Authentication Package** is NTLM. In this case, monitor for **Key Length** not equal to 128, because all Windows operating systems starting with Windows 2000 support 128-bit Key Length. - - - If **Logon Process** is not from a trusted logon processes list. - -- Monitor for all events with the fields and values in the following table: - - | Field | Value to monitor for | - |----------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0XC000005E – "There are currently no logon servers available to service the logon request."
This issue is typically not a security issue, but it can be an infrastructure or availability issue. | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0xC0000064 – "User logon with misspelled or bad user account".
Especially if you get several of these events in a row, it can be a sign of a user enumeration attack. | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0xC000006A – "User logon with misspelled or bad password" for critical accounts or service accounts.
Especially watch for a number of such events in a row. | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0XC000006D – "This is either due to a bad username or authentication information" for critical accounts or service accounts.
Especially watch for a number of such events in a row. | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0xC000006F – "User logon outside authorized hours". | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0xC0000070 – "User logon from unauthorized workstation". | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0xC0000072 – "User logon to account disabled by administrator". | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0XC000015B – "The user has not been granted the requested logon type (aka logon right) at this machine". | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0XC0000192 – "An attempt was made to logon, but the Netlogon service was not started".
This issue is typically not a security issue but it can be an infrastructure or availability issue. | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0xC0000193 – "User logon with expired account". | - | **Failure Information\\Status** or
**Failure Information\\Sub Status** | 0XC0000413 – "Logon Failure: The machine you are logging onto is protected by an authentication firewall. The specified account is not allowed to authenticate to the machine". | diff --git a/windows/security/threat-protection/auditing/event-4626.md b/windows/security/threat-protection/auditing/event-4626.md deleted file mode 100644 index 3e4a81e7d5..0000000000 --- a/windows/security/threat-protection/auditing/event-4626.md +++ /dev/null @@ -1,181 +0,0 @@ ---- -title: 4626(S) User/Device claims information. -description: Describes security event 4626(S) User/Device claims information. This event is generated for new account logons. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4626(S): User/Device claims information. - - -Event 4626 illustration - -***Subcategory:*** [Audit User/Device Claims](audit-user-device-claims.md) - -***Event Description:*** - -This event generates for new account logons and contains user/device claims which were associated with a new logon session. - -This event does not generate if the user/device doesn’t have claims. - -For computer account logons you will also see device claims listed in the “**User Claims**” field. - -You will typically get “[4624](event-4624.md): An account was successfully logged on” and after it a 4626 event with the same information in **Subject**, **Logon Type** and **New Logon** sections. - -This event generates on the computer to which the logon was performed (target computer). For example, for Interactive logons it will be the same computer. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4626 - 0 - 0 - 12553 - 0 - 0x8020000000000000 - - 232648 - - - Security - DC01.contoso.local - - -- - S-1-0-0 - - - - - 0x0 - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x136f7b - 3 - 1 - 1 - ad://ext/cn:88d2b96fdb2b4c49 <%%1818> : "dadmin" ad://ext/Department:88d16a8edaa8c66b <%%1818> : "IT" - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2012, Windows 8. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that reported information about claims. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that reported information about claims. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Logon Type** \[Type = UInt32\]**:** the type of logon which was performed. The table below contains the list of possible values for this field: - -| Logon Type | Logon Title | Description | -|------------|-------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 2 | Interactive | A user logged on to this computer. | -| 3 | Network | A user or computer logged on to this computer from the network. | -| 4 | Batch | Batch logon type is used by batch servers, where processes may be executing on behalf of a user without their direct intervention. | -| 5 | Service | A service was started by the Service Control Manager. | -| 7 | Unlock | This workstation was unlocked. | -| 8 | NetworkCleartext | A user logged on to this computer from the network. The user's password was passed to the authentication package in its unhashed form. The built-in authentication packages all hash credentials before sending them across the network. The credentials do not traverse the network in plaintext (also called cleartext). | -| 9 | NewCredentials | A caller cloned its current token and specified new credentials for outbound connections. The new logon session has the same local identity, but uses different credentials for other network connections. | -| 10 | RemoteInteractive | A user logged on to this computer remotely using Terminal Services or Remote Desktop. | -| 11 | CachedInteractive | A user logged on to this computer with network credentials that were stored locally on the computer. The domain controller was not contacted to verify the credentials. | - -**New Logon:** - -- **Security ID** \[Type = SID\]**:** SID of account for which logon was performed. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account for which logon was performed. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Event in sequence** \[Type = UInt32\]**: I**f is there is not enough space in one event to put all claims, you will see “**1 of N**” in this field and additional events will be generated. Typically this field has “**1 of 1**” value. - -**User Claims** \[Type = UnicodeString\]**:** list of user claims for new logon session. This field contains user claims if user account was logged in and device claims if computer account was logged in. Here is an example how to parse the entrance of this field: - -- ad://ext/cn:88d2b96fdb2b4c49 <String> : “dadmin” - - - cn – claim display name. - - - 88d2b96fdb2b4c49 – unique claim ID. - - - <String> - claim type. - - - “dadmin” – claim value. - -**Device Claims** \[Type = UnicodeString\]**:** list of device claims for new logon session. For user accounts this field typically has “**-**“ value. For computer accounts this field has device claims listed. - -## Security Monitoring Recommendations - -For 4626(S): User/Device claims information. - -- Typically this action is reported by the NULL SID account, so we recommend reporting all events with **“Subject\\Security ID”** not equal “**NULL SID**”. - -- If you need to monitor account logons with specific claims, you can monitor for [4626](event-4626.md) and check **User Claims**\\**Device Claims** fields. - -- If you have specific requirements, such as: - - - Users with specific claims should not access specific computers; - - - Computer account should not have specific claims; - - - User account should not have specific claims; - - - Claim should not be empty - - - And so on… - - You can monitor for [4626](event-4626.md) and check **User Claims**\\**Device Claims** fields. - -- If you need to monitor computer/user logon attempts only and you don’t need information about claims, then it is better to monitor “[4624](event-4624.md): An account was successfully logged on.” - diff --git a/windows/security/threat-protection/auditing/event-4627.md b/windows/security/threat-protection/auditing/event-4627.md deleted file mode 100644 index bb08d6bfd0..0000000000 --- a/windows/security/threat-protection/auditing/event-4627.md +++ /dev/null @@ -1,158 +0,0 @@ ---- -title: 4627(S) Group membership information. -description: Describes security event 4627(S) Group membership information. This event is generated with event 4624(S) An account was successfully logged on. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4627(S): Group membership information. - - -Event 4627 illustration - -***Subcategory:*** [Audit Group Membership](audit-group-membership.md) - -***Event Description:*** - -This event generates with “[4624](event-4624.md)(S): An account was successfully logged on” and shows the list of groups that the logged-on account belongs to. - -You must also enable the Success audit for [Audit Logon](audit-logon.md) subcategory to get this event. - -Multiple events are generated if the group membership information cannot fit in a single security audit event. - -> [!NOTE] -> For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** - -```xml -- -- - - 4627 - 0 - 0 - 12554 - 0 - 0x8020000000000000 - - 3081 - - - Security - WIN-GG82ULGC9GO.contoso.local - - -- - S-1-0-0 - - - - - 0x0 - S-1-5-21-1377283216-344919071-3415362939-1104 - dadmin - CONTOSO - 0x569860 - 3 - 1 - 1 - %{S-1-5-21-1377283216-344919071-3415362939-513} %{S-1-1-0} %{S-1-5-32-544} %{S-1-5-32-545} %{S-1-5-32-554} %{S-1-5-2} %{S-1-5-11} %{S-1-5-15} %{S-1-5-21-1377283216-344919071-3415362939-512} %{S-1-5-21-1377283216-344919071-3415362939-572} %{S-1-5-64-10} %{S-1-16-12288} - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2016, Windows 10. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that reported information about successful logon or invokes it. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - - > [!NOTE] - > A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that reported information about successful logon or invokes it. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4672](event-4672.md)(S): Special privileges assigned to new logon.” - -- **Logon Type** \[Type = UInt32\]**:** the type of logon which was performed. The table below contains the list of possible values for this field: - -| Logon Type | Logon Title | Description | -|------------|-------------------|----------------------| -| 2 | Interactive | A user logged on to this computer. | -| 3 | Network | A user or computer logged on to this computer from the network. | -| 4 | Batch | Batch logon type is used by batch servers, where processes may be executing on behalf of a user without their direct intervention. | -| 5 | Service | A service was started by the Service Control Manager. | -| 7 | Unlock | This workstation was unlocked. | -| 8 | NetworkCleartext | A user logged on to this computer from the network. The user's password was passed to the authentication package in its unhashed form. The built-in authentication packages all hash credentials before sending them across the network. The credentials do not traverse the network in plaintext (also called cleartext). | -| 9 | NewCredentials | A caller cloned its current token and specified new credentials for outbound connections. The new logon session has the same local identity, but uses different credentials for other network connections. | -| 10 | RemoteInteractive | A user logged on to this computer remotely using Terminal Services or Remote Desktop. | -| 11 | CachedInteractive | A user logged on to this computer with network credentials that were stored locally on the computer. The domain controller was not contacted to verify the credentials. | - -**New Logon:** - -- **Security ID** \[Type = SID\]**:** SID of account for which logon was performed. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - - > [!NOTE] - > A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account for which logon was performed. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4672](event-4672.md)(S): Special privileges assigned to new logon.” - -**Event in sequence** \[Type = UInt32\]**: I**f is there is not enough space in one event to put all groups, you will see “**1 of N**” in this field and additional events will be generated. Typically this field has “**1 of 1**” value. - -**Group Membership** \[Type = UnicodeString\]**:** the list of group SIDs which logged account belongs to (member of). Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -## Security Monitoring Recommendations - -For 4627(S): Group membership information. - -> [!IMPORTANT] -> For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Typically this action is reported by the NULL SID account, so we recommend reporting all events with **“Subject\\Security ID”** not equal “**NULL SID**”. - - - -- If you need to track that a member of a specific group logged on to a computer, check the “**Group Membership**” field. - diff --git a/windows/security/threat-protection/auditing/event-4634.md b/windows/security/threat-protection/auditing/event-4634.md deleted file mode 100644 index 6d1dd284e6..0000000000 --- a/windows/security/threat-protection/auditing/event-4634.md +++ /dev/null @@ -1,118 +0,0 @@ ---- -title: 4634(S) An account was logged off. -description: Describes security event 4634(S) An account was logged off. This event is generated when a logon session is terminated and no longer exists. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4634(S): An account was logged off. - - -Event 4634 illustration - -***Subcategory:*** [Audit Logoff](audit-logoff.md) - -***Event Description:*** - -This event shows that logon session was terminated and no longer exists. - -The main difference between “[4647](event-4647.md): User initiated logoff.” and 4634 event is that 4647 event is generated when logoff procedure was initiated by specific account using logoff function, and 4634 event shows that session was terminated and no longer exists. - -4647 is more typical for **Interactive** and **RemoteInteractive** logon types when user was logged off using standard methods. You will typically see both 4647 and 4634 events when logoff procedure was initiated by user. - -It may be positively correlated with a “[4624](event-4624.md): An account was successfully logged on.” event using the **Logon ID** value. Logon IDs are only unique between reboots on the same computer. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4634 - 0 - 0 - 12545 - 0 - 0x8020000000000000 - - 230019 - - - Security - DC01.contoso.local - - -- - S-1-5-90-1 - DWM-1 - Window Manager - 0x1a0992 - 2 - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that was logged off. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that was logged off. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Logon Type** \[Type = UInt32\]**:** the type of logon which was used. The table below contains the list of possible values for this field: - -| Logon Type | Logon Title | Description | -|------------|-------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 2 | Interactive | A user logged on to this computer. | -| 3 | Network | A user or computer logged on to this computer from the network. | -| 4 | Batch | Batch logon type is used by batch servers, where processes may be executing on behalf of a user without their direct intervention. | -| 5 | Service | A service was started by the Service Control Manager. | -| 7 | Unlock | This workstation was unlocked. | -| 8 | NetworkCleartext | A user logged on to this computer from the network. The user's password was passed to the authentication package in its unhashed form. The built-in authentication packages all hash credentials before sending them across the network. The credentials do not traverse the network in plaintext (also called cleartext). | -| 9 | NewCredentials | A caller cloned its current token and specified new credentials for outbound connections. The new logon session has the same local identity, but uses different credentials for other network connections. | -| 10 | RemoteInteractive | A user logged on to this computer remotely using Terminal Services or Remote Desktop. | -| 11 | CachedInteractive | A user logged on to this computer with network credentials that were stored locally on the computer. The domain controller was not contacted to verify the credentials. | - -## Security Monitoring Recommendations - -For 4634(S): An account was logged off. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If a particular **Logon Type** should not be used by a particular account (for example if **Logon Type** 4-Batch or 5-Service is used by a member of a domain administrative group), monitor this event for such actions. - diff --git a/windows/security/threat-protection/auditing/event-4647.md b/windows/security/threat-protection/auditing/event-4647.md deleted file mode 100644 index d7ba93610b..0000000000 --- a/windows/security/threat-protection/auditing/event-4647.md +++ /dev/null @@ -1,101 +0,0 @@ ---- -title: 4647(S) User initiated logoff. -description: Describes security event 4647(S) User initiated logoff. This event is generated when a logoff is initiated. No further user-initiated activity can occur. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4647(S): User initiated logoff. - - -Event 4647 illustration - -***Subcategory:*** [Audit Logoff](audit-logoff.md) - -***Event Description:*** - -This event is generated when a logoff is initiated. No further user-initiated activity can occur. This event can be interpreted as a logoff event. - -The main difference with “[4634](event-4634.md)(S): An account was logged off.” event is that 4647 event is generated when logoff procedure was initiated by specific account using logoff function, and 4634 event shows that session was terminated and no longer exists. - -4647 is more typical for **Interactive** and **RemoteInteractive** logon types when user was logged off using standard methods. You will typically see both 4647 and 4634 events when logoff procedure was initiated by user. - -It may be positively correlated with a “[4624](event-4624.md): An account was successfully logged on.” event using the **Logon ID** value. Logon IDs are only unique between reboots on the same computer. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4647 - 0 - 0 - 12545 - 0 - 0x8020000000000000 - - 230200 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x29b379 - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “logoff” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “logoff” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -## Security Monitoring Recommendations - -For 4647(S): User initiated logoff. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - diff --git a/windows/security/threat-protection/auditing/event-4648.md b/windows/security/threat-protection/auditing/event-4648.md deleted file mode 100644 index bd172bb754..0000000000 --- a/windows/security/threat-protection/auditing/event-4648.md +++ /dev/null @@ -1,195 +0,0 @@ ---- -title: 4648(S) A logon was attempted using explicit credentials. -description: Describes security event 4648(S) A logon was attempted using explicit credentials. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4648(S): A logon was attempted using explicit credentials. - - -Event 4648 illustration - -***Subcategory:*** [Audit Logon](audit-logon.md) - -***Event Description:*** - -This event is generated when a process attempts an account logon by explicitly specifying that account’s credentials. - -This most commonly occurs in batch-type configurations such as scheduled tasks, or when using the “RUNAS” command. - -It is also a routine event which periodically occurs during normal operating system activity. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4648 - 0 - 0 - 12544 - 0 - 0x8020000000000000 - - 233200 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x31844 - {00000000-0000-0000-0000-000000000000} - ladmin - CONTOSO - {0887F1E4-39EA-D53C-804F-31D568A06274} - localhost - localhost - 0x368 - C:\\Windows\\System32\\svchost.exe - ::1 - 0 - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the new logon session with explicit credentials. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the new logon session with explicit credentials. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -- **Logon GUID** \[Type = GUID\]: a GUID that can help you correlate this event with another event that can contain the same **Logon GUID**, “[4769](event-4769.md)(S, F): A Kerberos service ticket was requested event on a domain controller. - - It also can be used for correlation between a 4648 event and several other events (on the same computer) that can contain the same **Logon GUID**, “[4624](event-4624.md)(S): An account was successfully logged on” and “[4964](event-4964.md)(S): Special groups have been assigned to a new logon.” - - This parameter might not be captured in the event, and in that case appears as “{00000000-0000-0000-0000-000000000000}”. - -> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities or instances. - -**Account Whose Credentials Were Used:** - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account whose credentials were used. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon GUID** \[Type = GUID\]: a GUID that can help you correlate this event with another event that can contain the same **Logon GUID**, “[4769](event-4769.md)(S, F): A Kerberos service ticket was requested event on a domain controller. - - It also can be used for correlation between a 4648 event and several other events (on the same computer) that can contain the same **Logon GUID**, “[4624](event-4624.md)(S): An account was successfully logged on” and “[4964](event-4964.md)(S): Special groups have been assigned to a new logon.” - - This parameter might not be captured in the event, and in that case appears as “{00000000-0000-0000-0000-000000000000}”. - -> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities or instances. - -**Target Server:** - -- **Target Server Name** \[Type = UnicodeString\]**:** the name of the server on which the new process was run. Has “**localhost**” value if the process was run locally. - -- **Additional Information** \[Type = UnicodeString\]**:** there is no detailed information about this field in this document. - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process which was run using explicit credentials. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Network Information:** - -- **Network Address** \[Type = UnicodeString\]**:** IP address of machine from which logon attempt was performed. - - - IPv6 address or ::ffff:IPv4 address of a client. - - - ::1 or 127.0.0.1 means localhost. - -- **Port** \[Type = UnicodeString\]: source port which was used for logon attempt from remote machine. - - - 0 for interactive logons. - -## Security Monitoring Recommendations - -For 4648(S): A logon was attempted using explicit credentials. - -The following table is similar to the table in [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md), but also describes ways of monitoring that use “**Account Whose Credentials Were Used\\Security ID.**” - -| **Type of monitoring required** | **Recommendation** | -|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| **High-value accounts**: You might have high value domain or local accounts for which you need to monitor each action.
Examples of high value accounts are database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts and so on. | Monitor this event with the **“Subject\\Security ID”** or “**Account Whose Credentials Were Used\\Security ID**” that correspond to the high value account or accounts. | -| **Anomalies or malicious actions**: You might have specific requirements for detecting anomalies or monitoring potential malicious actions. For example, you might need to monitor for use of an account outside of working hours. | When you monitor for anomalies or malicious actions, use the **“Subject\\Security ID”** and “**Account Whose Credentials Were Used\\Security ID**” (with other information) to monitor how or when a particular account is being used. | -| **Non-active accounts**: You might have non-active, disabled, or guest accounts, or other accounts that should never be used. | Monitor this event with the **“Subject\\Security ID”** or “**Account Whose Credentials Were Used\\Security ID**” that correspond to the accounts that should never be used. | -| **Account allow list**: You might have a specific allow list of accounts that are allowed to perform actions corresponding to particular events. | If this event corresponds to a “allow list-only” action, review the **“Subject\\Security ID”** and “**Account Whose Credentials Were Used\\Security ID**” for accounts that are outside the allow list. | -| **External accounts**: You might be monitoring accounts from another domain, or “external” accounts that are not allowed to perform the action corresponding to this event. | Monitor for the **“Subject\\Account Domain”** or “**Account Whose Credentials Were Used\\Security ID**” corresponding to accounts from another domain or “external” accounts. | -| **Restricted-use computers or devices**: You might have certain computers, machines, or devices on which certain people (accounts) should not typically perform any actions. | Monitor the target **Computer:** (or other target device) for actions performed by the **“Subject\\Security ID”** or “**Account Whose Credentials Were Used\\Security ID**” that you are concerned about.
For example, you might monitor to ensure that “**Account Whose Credentials Were Used\\Security ID**” is not used to log on to a certain computer. | -| **Account naming conventions**: Your organization might have specific naming conventions for account names. | Monitor “**Subject\\Account Name”** and “**Account Whose Credentials Were Used\\Security ID**” for names that don’t comply with naming conventions. | - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - -- If **Subject\\Security ID** should not know or use credentials for **Account Whose Credentials Were Used\\Account Name**, monitor this event. - -- If credentials for **Account Whose Credentials Were Used\\Account Name** should not be used from **Network Information\\Network Address**, monitor this event. - -- Check that **Network Information\\Network Address** is from internal IP address list. For example, if you know that a specific account (for example, a service account) should be used only from specific IP addresses, you can monitor for all events where **Network Information\\Network Address** is not one of the allowed IP addresses. - diff --git a/windows/security/threat-protection/auditing/event-4649.md b/windows/security/threat-protection/auditing/event-4649.md deleted file mode 100644 index 81ceab6ec4..0000000000 --- a/windows/security/threat-protection/auditing/event-4649.md +++ /dev/null @@ -1,80 +0,0 @@ ---- -title: 4649(S) A replay attack was detected. -description: Describes security event 4649(S) A replay attack was detected. This event is generated when a KRB_AP_ERR_REPEAT Kerberos response is sent to the client. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4649(S): A replay attack was detected. - - -This event generates on domain controllers when **KRB\_AP\_ERR\_REPEAT** Kerberos response was sent to the client. - -Domain controllers cache information from recently received tickets. If the server name, client name, time, and microsecond fields from the Authenticator match recently seen entries in the cache, it will return KRB\_AP\_ERR\_REPEAT. You can read more about this in [RFC-1510](http://www.ietf.org/rfc/rfc1510.txt). One potential cause for this is a misconfigured network device between the client and server that could send the same packet(s) repeatedly. - -There is no example of this event in this document. - -***Subcategory:*** [Audit Other Logon/Logoff Events](audit-other-logonlogoff-events.md) - -***Event Schema:*** - -*A replay attack was detected.* - -*Subject:* - -> *Security ID:%1* -> -> *Account Name:%2* -> -> *Account Domain:%3* -> -> *Logon ID:%4* - -*Credentials Which Were Replayed:* - -> *Account Name:%5* -> -> *Account Domain:%6* - -*Process Information:* - -> *Process ID:%12* -> -> *Process Name:%13* - -*Network Information:* - -> *Workstation Name:%10* - -*Detailed Authentication Information:* - -> *Request Type:%7* -> -> *Logon Process:%8* -> -> *Authentication Package:%9* -> -> *Transited Services:%11* - -*This event indicates that a Kerberos replay attack was detected- a request was received twice with identical information. This condition could be caused by network misconfiguration."* - -***Required Server Roles:*** Active Directory domain controller. - -***Minimum OS Version:*** Windows Server 2008. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -For 4649(S): A replay attack was detected. - -- This event can be a sign of Kerberos replay attack or, among other things, network device configuration or routing problems. In both cases, we recommend triggering an alert and investigating the reason the event was generated. - diff --git a/windows/security/threat-protection/auditing/event-4656.md b/windows/security/threat-protection/auditing/event-4656.md deleted file mode 100644 index 8441566c4f..0000000000 --- a/windows/security/threat-protection/auditing/event-4656.md +++ /dev/null @@ -1,277 +0,0 @@ ---- -title: 4656(S, F) A handle to an object was requested. -description: Describes security event 4656(S, F) A handle to an object was requested. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4656(S, F): A handle to an object was requested. - - -Event 4656 illustration - -***Subcategories:*** [Audit File System](audit-file-system.md), [Audit Kernel Object](audit-kernel-object.md), [Audit Registry](audit-registry.md), and [Audit Removable Storage](audit-removable-storage.md) - -***Event Description:*** - -This event indicates that specific access was requested for an object. The object could be a file system, kernel, or registry object, or a file system object on removable storage or a device. - -If access was declined, a Failure event is generated. - -This event generates only if the object’s [SACL](/windows/win32/secauthz/access-control-lists) has the required ACE to handle the use of specific access rights. - -This event shows that access was requested, and the results of the request, but it doesn’t show that the operation was performed. To see that the operation was performed, check “[4663](event-4663.md)(S): An attempt was made to access an object.” - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -***Event XML***: -``` -- -- - - 4656 - 1 - 0 - 12800 - 0 - 0x8010000000000000 - - 274057 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x4367b - Security - File - C:\\Documents\\HBI Data.txt - 0x0 - {00000000-0000-0000-0000-000000000000} - %%1538 %%1541 %%4416 %%4417 %%4418 %%4419 %%4420 %%4423 %%4424 - %%1538: %%1804 %%1541: %%1809 %%4416: %%1809 %%4417: %%1809 %%4418: %%1802 D:(D;;LC;;;S-1-5-21-3457937927-2839227994-823803824-1104) %%4419: %%1809 %%4420: %%1809 %%4423: %%1811 D:(A;OICI;FA;;;S-1-5-21-3457937927-2839227994-823803824-1104) %%4424: %%1809 - 0x12019f - - - 0 - 0x1074 - C:\\Windows\\System32\\notepad.exe - S:AI(RA;ID;;;;WD;("Impact\_MS",TI,0x10020,3000)) - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** - -- 0 - Windows Server 2008, Windows Vista. - -- 1 - Windows Server 2012, Windows 8. - - - Added “Resource Attributes” field. - - - Added “Access Reasons” field. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested a handle to an object. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested a handle to an object. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object**: - -- **Object Server** \[Type = UnicodeString\]: has “**Security**” value for this event. - -- **Object Type** \[Type = UnicodeString\]: The type of an object that was accessed during the operation. - - The following table contains the list of the most common **Object Types**: - -| Directory | Event | Timer | Device | -|-------------------------|--------------|----------------------|--------------| -| Mutant | Type | File | Token | -| Thread | Section | WindowStation | DebugObject | -| FilterCommunicationPort | EventPair | Driver | IoCompletion | -| Controller | SymbolicLink | WmiGuid | Process | -| Profile | Desktop | KeyedEvent | Adapter | -| Key | WaitablePort | Callback | Semaphore | -| Job | Port | FilterConnectionPort | ALPC Port | - -- **Object Name** \[Type = UnicodeString\]: name and other identifying information for the object for which access was requested. For example, for a file, the path would be included. - -- **Handle ID** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can help you correlate this event with other events that might contain the same Handle ID, for example, “[4663](event-4663.md)(S): An attempt was made to access an object.” This parameter might not be captured in the event, and in that case appears as “0x0”. - -- **Resource Attributes** \[Type = UnicodeString\] \[Version 1\]: attributes associated with the object. For some objects, the field does not apply and “-“ is displayed. - - For example, for a file, the following might be displayed: S:AI(RA;ID;;;;WD;("Impact\_MS",TI,0x10020,3000)) - - - Impact\_MS: Resource Property ***ID***. - - - 3000: Recourse Property ***Value***. - -Impact property illustration - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process through which the access was requested. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Access Request Information:** - -- **Transaction ID** \[Type = GUID\]: unique GUID of the transaction. This field can help you correlate this event with other events that might contain the same **Transaction ID**, such as “[4660](event-4660.md)(S): An object was deleted.” - - This parameter might not be captured in the event, and in that case appears as “{00000000-0000-0000-0000-000000000000}”. - -> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities or instances. - -- **Accesses** \[Type = UnicodeString\]: the list of access rights which were requested by **Subject\\Security ID**. These access rights depend on **Object Type**. The following table contains information about the most common access rights for file system objects. Access rights for registry objects are often similar to file system objects, but the table contains a few notes about how they vary. - -| Access | Hexadecimal Value,
Schema Value | Description | -|---------------------------------------------------------------------------------------|-------------------------------------|----------------| -| ReadData (or ListDirectory)

(For registry objects, this is “Query key value.”) | 0x1,
%%4416 | **ReadData -** For a file object, the right to read the corresponding file data. For a directory object, the right to read the corresponding directory data.
**ListDirectory -** For a directory, the right to list the contents of the directory. | -| WriteData (or AddFile)

(For registry objects, this is “Set key value.”) | 0x2,
%%4417 | **WriteData -** For a file object, the right to write data to the file. For a directory object, the right to create a file in the directory (**FILE\_ADD\_FILE**).
**AddFile -** For a directory, the right to create a file in the directory. | -| AppendData (or AddSubdirectory or CreatePipeInstance) | 0x4,
%%4418 | **AppendData -** For a file object, the right to append data to the file. (For local files, write operations will not overwrite existing data if this flag is specified without **FILE\_WRITE\_DATA**.) For a directory object, the right to create a subdirectory (**FILE\_ADD\_SUBDIRECTORY**).
**AddSubdirectory -** For a directory, the right to create a subdirectory.
**CreatePipeInstance -** For a named pipe, the right to create a pipe. | -| ReadEA
(For registry objects, this is “Enumerate sub-keys.”) | 0x8,
%%4419 | The right to read extended file attributes. | -| WriteEA | 0x10,
%%4420 | The right to write extended file attributes. | -| Execute/Traverse | 0x20,
%%4421 | **Execute** - For a native code file, the right to execute the file. This access right given to scripts may cause the script to be executable, depending on the script interpreter.
**Traverse -** For a directory, the right to traverse the directory. By default, users are assigned the **BYPASS\_TRAVERSE\_CHECKING**  [privilege](/windows/win32/secauthz/privileges), which ignores the **FILE\_TRAVERSE**  [access right](/windows/win32/secauthz/access-rights-and-access-masks). See the remarks in [File Security and Access Rights](/windows/win32/fileio/file-security-and-access-rights) for more information. | -| DeleteChild | 0x40,
%%4422 | For a directory, the right to delete a directory and all the files it contains, including read-only files. | -| ReadAttributes | 0x80,
%%4423 | The right to read file attributes. | -| WriteAttributes | 0x100,
%%4424 | The right to write file attributes. | -| DELETE | 0x10000,
%%1537 | The right to delete the object. | -| READ\_CONTROL | 0x20000,
%%1538 | The right to read the information in the object's security descriptor, not including the information in the system access control list (SACL). | -| WRITE\_DAC | 0x40000,
%%1539 | The right to modify the discretionary access control list (DACL) in the object's security descriptor. | -| WRITE\_OWNER | 0x80000,
%%1540 | The right to change the owner in the object's security descriptor | -| SYNCHRONIZE | 0x100000,
%%1541 | The right to use the object for synchronization. This enables a thread to wait until the object is in the signaled state. Some object types do not support this access right. | -| ACCESS\_SYS\_SEC | 0x1000000,
%%1542 | The ACCESS\_SYS\_SEC access right controls the ability to get or set the SACL in an object's security descriptor. | - -> Table 14. File System objects access rights. - -- **Access Reasons** \[Type = UnicodeString\] \[Version 1\]: the list of access check results. The format of this varies, depending on the object. For kernel objects, this field does not apply. - -- **Access Mask** \[Type = HexInt32\]: hexadecimal mask for the requested or performed operation. For more information, see the preceding table. - - - -- **Privileges Used for Access Check** \[Type = UnicodeString\]: the list of user privileges which were used during the operation, for example, SeBackupPrivilege. This parameter might not be captured in the event, and in that case appears as “-”. See full list of user privileges in the table below: - -| Privilege Name | User Right Group Policy Name | Description | -|---------------------------------|----------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| SeAssignPrimaryTokenPrivilege | Replace a process-level token | Required to assign the [*primary token*](/windows/win32/secgloss/p-gly#_security_primary_token_gly) of a process.
With this privilege, the user can initiate a process to replace the default token associated with a started subprocess. | -| SeAuditPrivilege | Generate security audits | With this privilege, the user can add entries to the security log. | -| SeBackupPrivilege | Back up files and directories | - Required to perform backup operations.
With this privilege, the user can bypass file and directory, registry, and other persistent object permissions for the purposes of backing up the system.
This privilege causes the system to grant all read access control to any file, regardless of the [*access control list*](/windows/win32/secgloss/a-gly#_security_access_control_list_gly) (ACL) specified for the file. Any access request other than read is still evaluated with the ACL. The following access rights are granted if this privilege is held:
READ\_CONTROL
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_READ
FILE\_TRAVERSE | -| SeChangeNotifyPrivilege | Bypass traverse checking | Required to receive notifications of changes to files or directories. This privilege also causes the system to skip all traversal access checks.
With this privilege, the user can traverse directory trees even though the user may not have permissions on the traversed directory. This privilege does not allow the user to list the contents of a directory, only to traverse directories. | -| SeCreateGlobalPrivilege | Create global objects | Required to create named file mapping objects in the global namespace during Terminal Services sessions. | -| SeCreatePagefilePrivilege | Create a pagefile | With this privilege, the user can create and change the size of a pagefile. | -| SeCreatePermanentPrivilege | Create permanent shared objects | Required to create a permanent object.
This privilege is useful to kernel-mode components that extend the object namespace. Components that are running in kernel mode already have this privilege inherently; it is not necessary to assign them the privilege. | -| SeCreateSymbolicLinkPrivilege | Create symbolic links | Required to create a symbolic link. | -| SeCreateTokenPrivilege | Create a token object | Allows a process to create a token which it can then use to get access to any local resources when the process uses NtCreateToken() or other token-creation APIs.
When a process requires this privilege, we recommend using the LocalSystem account (which already includes the privilege), rather than creating a separate user account and assigning this privilege to it. | -| SeDebugPrivilege | Debug programs | Required to debug and adjust the memory of a process owned by another account.
With this privilege, the user can attach a debugger to any process or to the kernel. Developers who are debugging their own applications do not need this user right. Developers who are debugging new system components need this user right. This user right provides complete access to sensitive and critical operating system components. | -| SeEnableDelegationPrivilege | Enable computer and user accounts to be trusted for delegation | Required to mark user and computer accounts as trusted for delegation.
With this privilege, the user can set the **Trusted for Deleg**ation setting on a user or computer object.
The user or object that is granted this privilege must have write access to the account control flags on the user or computer object. A server process running on a computer (or under a user context) that is trusted for delegation can access resources on another computer using the delegated credentials of a client, as long as the account of the client does not have the **Account cannot be delegated** account control flag set. | -| SeImpersonatePrivilege | Impersonate a client after authentication | With this privilege, the user can impersonate other accounts. | -| SeIncreaseBasePriorityPrivilege | Increase scheduling priority | Required to increase the base priority of a process.
With this privilege, the user can use a process with Write property access to another process to increase the execution priority assigned to the other process. A user with this privilege can change the scheduling priority of a process through the Task Manager user interface. | -| SeIncreaseQuotaPrivilege | Adjust memory quotas for a process | Required to increase the quota assigned to a process.
With this privilege, the user can change the maximum memory that can be consumed by a process. | -| SeIncreaseWorkingSetPrivilege | Increase a process working set | Required to allocate more memory for applications that run in the context of users. | -| SeLoadDriverPrivilege | Load and unload device drivers | Required to load or unload a device driver.
With this privilege, the user can dynamically load and unload device drivers or other code in to kernel mode. This user right does not apply to Plug and Play device drivers. | -| SeLockMemoryPrivilege | Lock pages in memory | Required to lock physical pages in memory.
With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| SeMachineAccountPrivilege | Add workstations to domain | With this privilege, the user can create a computer account.
This privilege is valid only on domain controllers. | -| SeManageVolumePrivilege | Perform volume maintenance tasks | Required to run maintenance tasks on a volume, such as remote defragmentation. | -| SeProfileSingleProcessPrivilege | Profile single process | Required to gather profiling information for a single process.
With this privilege, the user can use performance monitoring tools to monitor the performance of non-system processes. | -| SeRelabelPrivilege | Modify an object label | Required to modify the mandatory integrity level of an object. | -| SeRemoteShutdownPrivilege | Force shutdown from a remote system | Required to shut down a system using a network request. | -| SeRestorePrivilege | Restore files and directories | Required to perform restore operations. This privilege causes the system to grant all write access control to any file, regardless of the ACL specified for the file. Any access request other than write is still evaluated with the ACL. Additionally, this privilege enables you to set any valid user or group SID as the owner of a file. The following access rights are granted if this privilege is held:
WRITE\_DAC
WRITE\_OWNER
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_WRITE
FILE\_ADD\_FILE
FILE\_ADD\_SUBDIRECTORY
DELETE
With this privilege, the user can bypass file, directory, registry, and other persistent objects permissions when restoring backed up files and directories and determines which users can set any valid security principal as the owner of an object. | -| SeSecurityPrivilege | Manage auditing and security log | Required to perform a number of security-related functions, such as controlling and viewing audit events in security event log.
With this privilege, the user can specify object access auditing options for individual resources, such as files, Active Directory objects, and registry keys.
A user with this privilege can also view and clear the security log. | -| SeShutdownPrivilege | Shut down the system | Required to shut down a local system. | -| SeSyncAgentPrivilege | Synchronize directory service data | This privilege enables the holder to read all objects and properties in the directory, regardless of the protection on the objects and properties. By default, it is assigned to the Administrator and LocalSystem accounts on domain controllers.
With this privilege, the user can synchronize all directory service data. This is also known as Active Directory synchronization. | -| SeSystemEnvironmentPrivilege | Modify firmware environment values | Required to modify the nonvolatile RAM of systems that use this type of memory to store configuration information. | -| SeSystemProfilePrivilege | Profile system performance | Required to gather profiling information for the entire system.
With this privilege, the user can use performance monitoring tools to monitor the performance of system processes. | -| SeSystemtimePrivilege | Change the system time | Required to modify the system time.
With this privilege, the user can change the time and date on the internal clock of the computer. Users that are assigned this user right can affect the appearance of event logs. If the system time is changed, events that are logged will reflect this new time, not the actual time that the events occurred. | -| SeTakeOwnershipPrivilege | Take ownership of files or other objects | Required to take ownership of an object without being granted discretionary access. This privilege allows the owner value to be set only to those values that the holder may legitimately assign as the owner of an object.
With this privilege, the user can take ownership of any securable object in the system, including Active Directory objects, files and folders, printers, registry keys, processes, and threads. | -| SeTcbPrivilege | Act as part of the operating system | This privilege identifies its holder as part of the trusted computer base.
This user right allows a process to impersonate any user without authentication. The process can therefore gain access to the same local resources as that user. | -| SeTimeZonePrivilege | Change the time zone | Required to adjust the time zone associated with the computer's internal clock. | -| SeTrustedCredManAccessPrivilege | Access Credential Manager as a trusted caller | Required to access Credential Manager as a trusted caller. | -| SeUndockPrivilege | Remove computer from docking station | Required to undock a laptop.
With this privilege, the user can undock a portable computer from its docking station without logging on. | -| SeUnsolicitedInputPrivilege | Not applicable | Required to read unsolicited input from a [*terminal*](/windows/win32/secgloss/t-gly#_security_terminal_gly) device. | - -- **Restricted SID Count** \[Type = UInt32\]: Number of [restricted SIDs](/windows/win32/api/securitybaseapi/nf-securitybaseapi-createrestrictedtoken) in the token. Applicable to only specific **Object Types**. - -## Security Monitoring Recommendations - -For 4656(S, F): A handle to an object was requested. - -For kernel objects, this event and other auditing events have little to no security relevance and are hard to parse or analyze. There is no recommendation for auditing them, unless you know exactly what you need to monitor at the Kernel objects level. - -For other types of objects, the following recommendations apply. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - -- If **Object Name** is a sensitive or critical object for which you need to monitor any access attempt, monitor all [4656](event-4656.md) events. - -- If **Object Name** is a sensitive or critical object for which you need to monitor specific access attempts (for example, only write actions), monitor for all [4656](event-4656.md) events with the corresponding **Access Request Information\\Accesses** values. - -- If you need to monitor files and folders with specific Resource Attribute values, monitor for all [4656](event-4656.md) events with specific **Resource Attributes** field values. - - For file system objects, we recommend that you monitor these **Access Request Information\\Accesses** rights (especially for Failure events): - - - WriteData (or AddFile) - - - AppendData (or AddSubdirectory or CreatePipeInstance) - - - WriteEA - - - DeleteChild - - - WriteAttributes - - - DELETE - - - WRITE\_DAC - - - WRITE\_OWNER \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4657.md b/windows/security/threat-protection/auditing/event-4657.md deleted file mode 100644 index c6279c1fa1..0000000000 --- a/windows/security/threat-protection/auditing/event-4657.md +++ /dev/null @@ -1,179 +0,0 @@ ---- -title: 4657(S) A registry value was modified. -description: Describes security event 4657(S) A registry value was modified. This event is generated when a registry key value is modified. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4657(S): A registry value was modified. - - -Event 4657 illustration - -***Subcategory:*** [Audit Registry](audit-registry.md) - -***Event Description:*** - -This event generates when a registry key ***value*** was modified. It doesn’t generate when a registry key was modified. - -This event generates only if “Set Value" auditing is set in registry key’s [SACL](/windows/win32/secauthz/access-control-lists). - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4657 - 0 - 0 - 12801 - 0 - 0x8020000000000000 - - 744725 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x364eb - \\REGISTRY\\MACHINE - Name\_New - 0x54 - %%1905 - %%1873 - - %%1873 - Andrei - 0xce4 - C:\\Windows\\regedit.exe - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “modify registry value” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “modify registry value” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object:** - -- **Object Name** \[Type = UnicodeString\]: full path and name of the registry key which value was modified. The format is: \\REGISTRY\\HIVE\\PATH where: - - - HIVE: - - - HKEY\_LOCAL\_MACHINE = \\REGISTRY\\MACHINE - - - HKEY\_CURRENT\_USER = \\REGISTRY\\USER\\\[USER\_SID\], where \[USER\_SID\] is the SID of current user. - - - HKEY\_CLASSES\_ROOT = \\REGISTRY\\MACHINE\\SOFTWARE\\Classes - - - HKEY\_USERS = \\REGISTRY\\USER - - - HKEY\_CURRENT\_CONFIG = \\REGISTRY\\MACHINE\\SYSTEM\\ControlSet001\\Hardware Profiles\\Current - - - PATH – path to the registry key. - -- **Object Value Name** \[Type = UnicodeString\]**:** the name of modified registry key value. - -- **Handle ID** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can help you correlate this event with other events that might contain the same Handle ID, for example, “[4656](event-4656.md): A handle to an object was requested.” This parameter might not be captured in the event, and in that case appears as “0x0”. - -- **Operation Type** \[Type = UnicodeString\]**:** the type of performed operation with registry key value. Most common operations are: - - - New registry value created - - - Registry value deleted - - - Existing registry value modified - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process through which the registry key value was modified. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Change Information:** - -- **Old Value Type** \[Type = UnicodeString\]**:** old type of changed registry key value. Registry key value types: - -| Value Type | Description | -|-----------------|-------------------------| -| REG\_SZ | String | -| REG\_BINARY | Binary | -| REG\_DWORD | DWORD (32-bit) Value | -| REG\_QWORD | QWORD (64-bit) Value | -| REG\_MULTI\_SZ | Multi-String Value | -| REG\_EXPAND\_SZ | Expandable String Value | - -- **Old Value** \[Type = UnicodeString\]: old value for changed registry key value. - -- **New Value Type** \[Type = UnicodeString\]**:** new type of changed registry key value. See table above for possible values. - -- **New Value** \[Type = UnicodeString\]: new value for changed registry key value. - -## Security Monitoring Recommendations - -For 4657(S): A registry value was modified. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - -- If **Object Name** is a sensitive or critical registry key for which you need to monitor any modification of its values, monitor all [4657](event-4657.md) events. - -- If **Object Name** has specific values (**Object Value Name**) and you need to monitor modifications of these values, monitor for all [4657](event-4657.md) events. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4658.md b/windows/security/threat-protection/auditing/event-4658.md deleted file mode 100644 index 346730e603..0000000000 --- a/windows/security/threat-protection/auditing/event-4658.md +++ /dev/null @@ -1,133 +0,0 @@ ---- -title: 4658(S) The handle to an object was closed. -description: Describes security event 4658(S) The handle to an object was closed. This event is generated when the handle to an object is closed. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4658(S): The handle to an object was closed. - - -Event 4658 illustration - -***Subcategories:*** [Audit File System](audit-file-system.md), [Audit Handle Manipulation](audit-handle-manipulation.md), [Audit Kernel Object](audit-kernel-object.md), [Audit Registry](audit-registry.md), and [Audit Removable Storage](audit-removable-storage.md) - -***Event Description:*** - -This event generates when the handle to an object is closed. The object could be a file system, kernel, or registry object, or a file system object on removable storage or a device. - -This event generates only if Success auditing is enabled for [Audit Handle Manipulation](audit-handle-manipulation.md) subcategory. - -Typically this event is needed if you need to know how long the handle to the object was open. Otherwise, it might not have any security relevance. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4658 - 0 - 0 - 12800 - 0 - 0x8020000000000000 - - 276724 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x4367b - Security - 0x18a8 - 0xef0 - C:\\Windows\\explorer.exe - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “close object’s handle” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “close object’s handle” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object**: - -- **Object Server** \[Type = UnicodeString\]: has “**Security**” value for this event. - -- **Handle ID** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can help you correlate this event with other events that might contain the same Handle ID, for example, “[4663](event-4663.md)(S): An attempt was made to access an object.” This parameter might not be captured in the event, and in that case appears as “0x0”. - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process that requested that the handle be closed. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -## Security Monitoring Recommendations - -For 4658(S): The handle to an object was closed. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Typically this event has little to no security relevance and is hard to parse or analyze. There is no recommendation for this event, unless you know exactly what you need to monitor with it. - -- This event can be used to track all actions or operations related to a specific object handle. - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - diff --git a/windows/security/threat-protection/auditing/event-4660.md b/windows/security/threat-protection/auditing/event-4660.md deleted file mode 100644 index 820e2eed6f..0000000000 --- a/windows/security/threat-protection/auditing/event-4660.md +++ /dev/null @@ -1,133 +0,0 @@ ---- -title: 4660(S) An object was deleted. -description: Describes security event 4660(S) An object was deleted. This event is generated when an object is deleted. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4660(S): An object was deleted. - - -Event 4660 illustration - -***Subcategories:*** [Audit File System](audit-file-system.md), [Audit Kernel Object](audit-kernel-object.md), and [Audit Registry](audit-registry.md) - -***Event Description:*** - -This event generates when an object was deleted. The object could be a file system, kernel, or registry object. - -This event generates only if “Delete" auditing is set in object’s [SACL](/windows/win32/secauthz/access-control-lists). - -This event doesn’t contain the name of the deleted object (only the **Handle ID**). It is better to use “[4663](event-4663.md)(S): An attempt was made to access an object” with DELETE access to track object deletion. - -The advantage of this event is that it’s generated only during real delete operations. In contrast, “4663(S): An attempt was made to access an object” also generates during other actions, such as object renaming. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4660 - 0 - 0 - 12800 - 0 - 0x8020000000000000 - - 270188 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x4367b - Security - 0x1678 - 0xef0 - C:\\Windows\\explorer.exe - {00000000-0000-0000-0000-000000000000} - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “delete object” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “delete object” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object**: - -- **Object Server** \[Type = UnicodeString\]: has “**Security**” value for this event. - -- **Handle ID** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can help you correlate this event with other events that might contain the same Handle ID, for example, “[4663](event-4663.md)(S): An attempt was made to access an object.” This parameter might not be captured in the event, and in that case appears as “0x0”. - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process that deleted the object. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - - - -- **Transaction ID** \[Type = GUID\]: unique GUID of the transaction. This field can help you correlate this event with other events that might contain the same **Transaction ID**, such as “[4656](event-4656.md)(S, F): A handle to an object was requested.” - - This parameter might not be captured in the event, and in that case appears as “{00000000-0000-0000-0000-000000000000}”. - -> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities or instances. - -## Security Monitoring Recommendations - -For 4660(S): An object was deleted. - -- This event doesn’t contains the name of deleted object (only **Handle ID**). It is better to use “[4663](event-4663.md)(S): An attempt was made to access an object.” events with DELETE access to track object deletion actions. - -- For kernel objects, this event and other auditing events have little to no security relevance and are hard to parse or analyze. There is no recommendation for auditing them, unless you know exactly what you need to monitor at the Kernel objects level. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4661.md b/windows/security/threat-protection/auditing/event-4661.md deleted file mode 100644 index ea83c3bcec..0000000000 --- a/windows/security/threat-protection/auditing/event-4661.md +++ /dev/null @@ -1,219 +0,0 @@ ---- -title: 4661(S, F) A handle to an object was requested. -description: Describes security event 4661(S, F) A handle to an object was requested. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4661(S, F): A handle to an object was requested. - - -Event 4661 illustration - -***Subcategories:*** [Audit Directory Service Access](audit-directory-service-access.md) and [Audit SAM](audit-sam.md) - -***Event Description:*** - -This event indicates that a handle was requested for either an Active Directory object or a Security Account Manager (SAM) object. - -If access was declined, then Failure event is generated. - -This event generates only if Success auditing is enabled for the [Audit Handle Manipulation](audit-handle-manipulation.md) subcategory. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML***: -``` -- -- - - 4661 - 0 - 0 - 14080 - 0 - 0x8020000000000000 - - 1048009 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x4280e - Security Account Manager - SAM\_DOMAIN - DC=contoso,DC=local - 0xdd64d36870 - {00000000-0000-0000-0000-000000000000} - %%5400 - 0x2d - Ā - - - 2949165 - 0x9000a000d002d - {bf967a90-0de6-11d0-a285-00aa003049e2} %%5400 {ccc2dc7d-a6ad-4a7a-8846-c04e3cc53501} - - -``` - -***Required Server Roles:*** For an Active Directory object, the domain controller role is required. For a SAM object, there is no required role. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested a handle to an object. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested a handle to an object. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object**: - -- **Object Server** \[Type = UnicodeString\]: has “**Security Account Manager**” value for this event. - -- **Object Type** \[Type = UnicodeString\]: the type or class of the object that was accessed. The following list contains possible values for this field: - - - SAM\_ALIAS - a local group. - - - SAM\_GROUP - a group that is not a local group. - - - SAM\_USER - a user account. - - - SAM\_DOMAIN - a domain. For Active Directory events, this is the typical value. - - - SAM\_SERVER - a computer account. - -- **Object Name** \[Type = UnicodeString\]: the name of an object for which access was requested. Depends on **Object Type.** This event can have the following format: - - - SAM\_ALIAS – SID of the group. - - - SAM\_GROUP - SID of the group. - - - SAM\_USER - SID of the account. - - - SAM\_DOMAIN – distinguished name of the accessed object. - - - SAM\_SERVER - distinguished name of the accessed object. - -> **Note**  The LDAP API references an LDAP object by its **distinguished name (DN)**. A DN is a sequence of relative distinguished names (RDN) connected by commas. -> -> An RDN is an attribute with an associated value in the form attribute=value; . These are examples of RDNs attributes: -> -> • DC - domainComponent -> -> • CN - commonName -> -> • OU - organizationalUnitName -> -> • O - organizationName - -- **Handle ID** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can help you correlate this event with other events that might contain the same Handle ID, for example, “[4662](event-4662.md): An operation was performed on an object.” This parameter might not be captured in the event, and in that case appears as “0x0”. - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process that requested the handle. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Access Request Information:** - -- **Transaction ID** \[Type = GUID\]: unique GUID of the transaction. This field can help you correlate this event with other events that might contain the same **Transaction ID**, such as “[4660](event-4660.md)(S): An object was deleted.” - - This parameter might not be captured in the event, and in that case appears as “{00000000-0000-0000-0000-000000000000}”. - -> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities or instances. - -- **Accesses** \[Type = UnicodeString\]: the list of access rights which were requested by **Subject\\Security ID**. These access rights depend on **Object Type**. For more information about file access rights, see [Table of file access codes](/windows/security/threat-protection/auditing/event-5145#table-of-file-access-codes). For information about SAM object access right use or other informational resources. - -- **Access Mask** \[Type = HexInt32\]: hexadecimal mask for the operation that was requested or performed. For more information about file access rights, see [Table of file access codes](/windows/security/threat-protection/auditing/event-5145#table-of-file-access-codes). For information about SAM object access right use or other informational resources. - -- **Privileges Used for Access Check** \[Type = UnicodeString\]: the list of user privileges which were used during the operation, for example, SeBackupPrivilege. This parameter might not be captured in the event, and in that case appears as “-”. See full list of user privileges in the table below: - -| Privilege Name | User Right Group Policy Name | Description | -|---------------------------------|----------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| SeAssignPrimaryTokenPrivilege | Replace a process-level token | Required to assign the [*primary token*](/windows/win32/secgloss/p-gly#_security_primary_token_gly) of a process.
With this privilege, the user can initiate a process to replace the default token associated with a started subprocess. | -| SeAuditPrivilege | Generate security audits | With this privilege, the user can add entries to the security log. | -| SeBackupPrivilege | Back up files and directories | - Required to perform backup operations.
With this privilege, the user can bypass file and directory, registry, and other persistent object permissions for the purposes of backing up the system.
This privilege causes the system to grant all read access control to any file, regardless of the [*access control list*](/windows/win32/secgloss/a-gly#_security_access_control_list_gly) (ACL) specified for the file. Any access request other than read is still evaluated with the ACL. The following access rights are granted if this privilege is held:
READ\_CONTROL
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_READ
FILE\_TRAVERSE | -| SeChangeNotifyPrivilege | Bypass traverse checking | Required to receive notifications of changes to files or directories. This privilege also causes the system to skip all traversal access checks.
With this privilege, the user can traverse directory trees even though the user may not have permissions on the traversed directory. This privilege does not allow the user to list the contents of a directory, only to traverse directories. | -| SeCreateGlobalPrivilege | Create global objects | Required to create named file mapping objects in the global namespace during Terminal Services sessions. | -| SeCreatePagefilePrivilege | Create a pagefile | With this privilege, the user can create and change the size of a pagefile. | -| SeCreatePermanentPrivilege | Create permanent shared objects | Required to create a permanent object.
This privilege is useful to kernel-mode components that extend the object namespace. Components that are running in kernel mode already have this privilege inherently; it is not necessary to assign them the privilege. | -| SeCreateSymbolicLinkPrivilege | Create symbolic links | Required to create a symbolic link. | -| SeCreateTokenPrivilege | Create a token object | Allows a process to create a token which it can then use to get access to any local resources when the process uses NtCreateToken() or other token-creation APIs.
When a process requires this privilege, we recommend using the LocalSystem account (which already includes the privilege), rather than creating a separate user account and assigning this privilege to it. | -| SeDebugPrivilege | Debug programs | Required to debug and adjust the memory of a process owned by another account.
With this privilege, the user can attach a debugger to any process or to the kernel. Developers who are debugging their own applications do not need this user right. Developers who are debugging new system components need this user right. This user right provides complete access to sensitive and critical operating system components. | -| SeEnableDelegationPrivilege | Enable computer and user accounts to be trusted for delegation | Required to mark user and computer accounts as trusted for delegation.
With this privilege, the user can set the **Trusted for Deleg**ation setting on a user or computer object.
The user or object that is granted this privilege must have write access to the account control flags on the user or computer object. A server process running on a computer (or under a user context) that is trusted for delegation can access resources on another computer using the delegated credentials of a client, as long as the account of the client does not have the **Account cannot be delegated** account control flag set. | -| SeImpersonatePrivilege | Impersonate a client after authentication | With this privilege, the user can impersonate other accounts. | -| SeIncreaseBasePriorityPrivilege | Increase scheduling priority | Required to increase the base priority of a process.
With this privilege, the user can use a process with Write property access to another process to increase the execution priority assigned to the other process. A user with this privilege can change the scheduling priority of a process through the Task Manager user interface. | -| SeIncreaseQuotaPrivilege | Adjust memory quotas for a process | Required to increase the quota assigned to a process.
With this privilege, the user can change the maximum memory that can be consumed by a process. | -| SeIncreaseWorkingSetPrivilege | Increase a process working set | Required to allocate more memory for applications that run in the context of users. | -| SeLoadDriverPrivilege | Load and unload device drivers | Required to load or unload a device driver.
With this privilege, the user can dynamically load and unload device drivers or other code in to kernel mode. This user right does not apply to Plug and Play device drivers. | -| SeLockMemoryPrivilege | Lock pages in memory | Required to lock physical pages in memory.
With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| SeMachineAccountPrivilege | Add workstations to domain | With this privilege, the user can create a computer account.
This privilege is valid only on domain controllers. | -| SeManageVolumePrivilege | Perform volume maintenance tasks | Required to run maintenance tasks on a volume, such as remote defragmentation. | -| SeProfileSingleProcessPrivilege | Profile single process | Required to gather profiling information for a single process.
With this privilege, the user can use performance monitoring tools to monitor the performance of non-system processes. | -| SeRelabelPrivilege | Modify an object label | Required to modify the mandatory integrity level of an object. | -| SeRemoteShutdownPrivilege | Force shutdown from a remote system | Required to shut down a system using a network request. | -| SeRestorePrivilege | Restore files and directories | Required to perform restore operations. This privilege causes the system to grant all write access control to any file, regardless of the ACL specified for the file. Any access request other than write is still evaluated with the ACL. Additionally, this privilege enables you to set any valid user or group SID as the owner of a file. The following access rights are granted if this privilege is held:
WRITE\_DAC
WRITE\_OWNER
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_WRITE
FILE\_ADD\_FILE
FILE\_ADD\_SUBDIRECTORY
DELETE
With this privilege, the user can bypass file, directory, registry, and other persistent objects permissions when restoring backed up files and directories and determines which users can set any valid security principal as the owner of an object. | -| SeSecurityPrivilege | Manage auditing and security log | Required to perform a number of security-related functions, such as controlling and viewing audit events in security event log.
With this privilege, the user can specify object access auditing options for individual resources, such as files, Active Directory objects, and registry keys.
A user with this privilege can also view and clear the security log. | -| SeShutdownPrivilege | Shut down the system | Required to shut down a local system. | -| SeSyncAgentPrivilege | Synchronize directory service data | This privilege enables the holder to read all objects and properties in the directory, regardless of the protection on the objects and properties. By default, it is assigned to the Administrator and LocalSystem accounts on domain controllers.
With this privilege, the user can synchronize all directory service data. This is also known as Active Directory synchronization. | -| SeSystemEnvironmentPrivilege | Modify firmware environment values | Required to modify the nonvolatile RAM of systems that use this type of memory to store configuration information. | -| SeSystemProfilePrivilege | Profile system performance | Required to gather profiling information for the entire system.
With this privilege, the user can use performance monitoring tools to monitor the performance of system processes. | -| SeSystemtimePrivilege | Change the system time | Required to modify the system time.
With this privilege, the user can change the time and date on the internal clock of the computer. Users that are assigned this user right can affect the appearance of event logs. If the system time is changed, events that are logged will reflect this new time, not the actual time that the events occurred. | -| SeTakeOwnershipPrivilege | Take ownership of files or other objects | Required to take ownership of an object without being granted discretionary access. This privilege allows the owner value to be set only to those values that the holder may legitimately assign as the owner of an object.
With this privilege, the user can take ownership of any securable object in the system, including Active Directory objects, files and folders, printers, registry keys, processes, and threads. | -| SeTcbPrivilege | Act as part of the operating system | This privilege identifies its holder as part of the trusted computer base.
This user right allows a process to impersonate any user without authentication. The process can therefore gain access to the same local resources as that user. | -| SeTimeZonePrivilege | Change the time zone | Required to adjust the time zone associated with the computer's internal clock. | -| SeTrustedCredManAccessPrivilege | Access Credential Manager as a trusted caller | Required to access Credential Manager as a trusted caller. | -| SeUndockPrivilege | Remove computer from docking station | Required to undock a laptop.
With this privilege, the user can undock a portable computer from its docking station without logging on. | -| SeUnsolicitedInputPrivilege | Not applicable | Required to read unsolicited input from a [*terminal*](/windows/win32/secgloss/t-gly#_security_terminal_gly) device. | - -- **Properties** \[Type = UnicodeString\]: depends on **Object Type**. This field can be empty or contain the list of the object properties that were accessed. See more detailed information in “[4661](event-4661.md): A handle to an object was requested” from [Audit SAM](audit-sam.md) subcategory. - -- **Restricted SID Count** \[Type = UInt32\]: Number of [restricted SIDs](/windows/win32/api/securitybaseapi/nf-securitybaseapi-createrestrictedtoken) in the token. Applicable to only specific **Object Types**. - -## Security Monitoring Recommendations - -For 4661(S, F): A handle to an object was requested. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- You can get almost the same information from “[4662](event-4662.md): An operation was performed on an object.” There are no additional recommendations for this event in this document. diff --git a/windows/security/threat-protection/auditing/event-4662.md b/windows/security/threat-protection/auditing/event-4662.md deleted file mode 100644 index 13b91b7666..0000000000 --- a/windows/security/threat-protection/auditing/event-4662.md +++ /dev/null @@ -1,247 +0,0 @@ ---- -title: 4662(S, F) An operation was performed on an object. -description: Describes security event 4662(S, F) An operation was performed on an object. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4662(S, F): An operation was performed on an object. - - -Event 4662 illustration - -***Subcategory:*** [Audit Directory Service Access](audit-directory-service-access.md) - -***Event Description:*** - -This event generates every time when an operation was performed on an Active Directory object. - -This event generates only if appropriate [SACL](/windows/win32/secauthz/access-control-lists) was set for Active Directory object and performed operation meets this SACL. - -If operation failed then Failure event will be generated. - -You will get one 4662 for each operation type which was performed. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4662 - 0 - 0 - 14080 - 0 - 0x8020000000000000 - - 407230 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x35867 - DS - %{bf967a86-0de6-11d0-a285-00aa003049e2} - %{38b3d2e6-9948-4dc1-ae90-1605d5eab9a2} - Object Access - 0x0 - %%1537 - 0x10000 - %%1537 {bf967a86-0de6-11d0-a285-00aa003049e2} - - - - - -``` - -***Required Server Roles:*** Active Directory domain controller. - -***Minimum OS Version:*** Windows Server 2008. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object:** - -- **Object Server** \[Type = UnicodeString\]: has “**DS**” value for this event. - -- **Object Type** \[Type = UnicodeString\]: type or class of the object that was accessed. Some of the common Active Directory object types and classes are: - - - container – for containers. - - - user – for users. - - - group – for groups. - - - domainDNS – for domain object. - - - groupPolicyContainer – for group policy objects. - - For all possible values of **Object Type** open Active Directory Schema snap-in (see how to enable this snap-in: and navigate to **Active Directory Schema\\Classes**. Or use this document: - -- **Object Name** \[Type = UnicodeString\]: distinguished name of the object that was accessed. - -> **Note**  The LDAP API references an LDAP object by its **distinguished name (DN)**. A DN is a sequence of relative distinguished names (RDN) connected by commas. -> -> An RDN is an attribute with an associated value in the form attribute=value; . These are examples of RDNs attributes: -> -> • DC - domainComponent -> -> • CN - commonName -> -> • OU - organizationalUnitName -> -> • O - organizationName - -- **Handle ID** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can help you correlate this event with other events that might contain the same Handle ID, for example, “[4661](event-4661.md): A handle to an object was requested.” This parameter might not be captured in the event, and in that case appears as “0x0”. - -**Operation:** - -- **Operation Type** \[Type = UnicodeString\]: the type of operation which was performed on an object. Typically has “**Object Access”** value for this event. - -- **Accesses** \[Type = UnicodeString\]: the type of access used for the operation. See “Table 9. Active Directory Access Codes and Rights.” for more information. - -- **Access Mask** \[Type = HexInt32\]: hexadecimal mask for the type of access used for the operation. See “Table 9. Active Directory Access Codes and Rights.” for more information. - -| Access Mask | Access Name | Description | -|--------------------------------------------------------------------------------------|--------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 0x1 | Create Child | The right to create child objects of the object. | -| 0x2 | Delete Child | The right to delete child objects of the object. | -| 0x4 | List Contents | The right to list child objects of this object. | -| 0x8 | SELF | The right to perform an operation controlled by a validated write access right. | -| 0x10 | Read Property | The right to read properties of the object. | -| 0x20 | Write Property | The right to write properties of the object. | -| 0x40 | Delete Tree | Delete all children of this object, regardless of the permissions of the children. It is indicates that “Use Delete Subtree server control” check box was checked during deletion. This operation means that all objects within the subtree, including all delete-protected objects, will be deleted. | -| 0x80 | List Object | The right to list a particular object. | -| 0x100 | Control Access | Access allowed only after extended rights checks supported by the object are performed.
The right to perform an operation controlled by an extended access right. | -| 0x10000 | DELETE | The right to delete the object.
DELETE also generated when object was moved. | -| 0x20000 | READ\_CONTROL | The right to read data from the security descriptor of the object, not including the data in the SACL. | -| 0x40000 | WRITE\_DAC | The right to modify the discretionary access-control list (DACL) in the object security descriptor. | -| 0x80000 | WRITE\_OWNER | The right to assume ownership of the object. The user must be an object trustee. The user cannot transfer the ownership to other users. | -| 0x100000 | SYNCHRONIZE | The right to use the object for synchronization. This enables a thread to wait until the object is in the signaled state. | -| 0x1000000 | ADS\_RIGHT\_ACCESS\_SYSTEM\_SECURITY | The right to get or set the SACL in the object security descriptor. | -| 0x80000000 | ADS\_RIGHT\_GENERIC\_READ | The right to read permissions on this object, read all the properties on this object, list this object name when the parent container is listed, and list the contents of this object if it is a container. | -| 0x40000000 | ADS\_RIGHT\_GENERIC\_WRITE | The right to read permissions on this object, write all the properties on this object, and perform all validated writes to this object. | -| 0x20000000 | ADS\_RIGHT\_GENERIC\_EXECUTE | The right to read permissions on, and list the contents of, a container object. | -| 0x10000000 | ADS\_RIGHT\_GENERIC\_ALL | The right to create or delete child objects, delete a subtree, read and write properties, examine child objects and the object itself, add and remove the object from the directory, and read or write with an extended right. | - -> Table 9. Active Directory Access Codes and Rights. - -- **Properties** \[Type = UnicodeString\]: first part is the type of access that was used. Typically has the same value as **Accesses** field. - - Second part is a tree of **GUID** values of Active Directory classes or property sets, for which operation was performed. - -> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities or instances. - -To translate this GUID, use the following procedure: - -- Perform the following LDAP search using LDP.exe tool: - - - Base DN: CN=Schema,CN=Configuration,DC=XXX,DC=XXX - - - Filter: (&(objectClass=\*)(schemaIDGUID=GUID)) - - - Perform the following operations with the GUID before using it in a search request: - - - We have this GUID to search for: bf967a86-0de6-11d0-a285-00aa003049e2 - - - Take first 3 sections bf967a86-0de6-11d0. - - - For each of these 3 sections you need to change (Invert) the order of bytes, like this 867a96bf-e60d-d011 - - - Add the last 2 sections without transformation: 867a96bf-e60d-d011-a285-00aa003049e2 - - - Delete - : 867a96bfe60dd011a28500aa003049e2 - - - Divide bytes with backslashes: \\86\\7a\\96\\bf\\e6\\0d\\d0\\11\\a2\\85\\00\\aa\\00\\30\\49\\e2 - - - Filter example: (&(objectClass=\*)(schemaIDGUID=\\86\\7a\\96\\bf\\e6\\0d\\d0\\11\\a2\\85\\00\\aa\\00\\30\\49\\e2)) - - - Scope: Subtree - - - Attributes: schemaIDGUID - -Schema search illustration - -Sometimes GUID refers to pre-defined Active Directory Property Sets, you can find GUID (**Rights-GUID** field), “property set name” and details here: . - -Here is an example of decoding of **Properties** field: - -| Properties | Translation | -|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------| -| {bf967a86-0de6-11d0-a285-00aa003049e2}
{91e647de-d96f-4b70-9557-d63ff4f3ccd8}
{6617e4ac-a2f1-43ab-b60c-11fbd1facf05}
{b3f93023-9239-4f7c-b99c-6745d87adbc2}
{b8dfa744-31dc-4ef1-ac7c-84baf7ef9da7} | Computer
Private-Information property set
ms-PKI-RoamingTimeStamp
ms-PKI-DPAPIMasterKeys
ms-PKI-AccountCredentials | - -**Additional Information:** - -- **Parameter 1** \[Type = UnicodeString\]**:** there is no information about this field in this document. - -- **Parameter 2** \[Type = UnicodeString\]**:** there is no information about this field in this document. - -## Security Monitoring Recommendations - -For 4662(S, F): An operation was performed on an object. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If you need to monitor operations attempts to specific Active Directory classes, monitor for **Object Type** field with specific class name. For example, we recommend that you monitor all operations attempts to **domainDNS** class. - -- If you need to monitor operations attempts to specific Active Directory objects, monitor for **Object Name** field with specific object name. For example, we recommend that you monitor all operations attempts to “**CN=AdminSDHolder,CN=System,DC=domain,DC=com”** object. - -- Some access types are more important to monitor, for example: - - - Write Property - - - Control Access - - - DELETE - - - WRITE\_DAC - - - WRITE\_OWNER - - You can decide to monitor these (or one of these) access types for specific Active Directory objects. To do so, monitor for **Accesses** field with specific access type. - -- If you need to monitor operations attempts to specific Active Directory properties, monitor for **Properties** field with specific property GUID. - -- Do not forget that **Failure** attempts are also very important to audit. Decide where you want to monitor Failure attempts based on previous recommendations. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4663.md b/windows/security/threat-protection/auditing/event-4663.md deleted file mode 100644 index 3568c87841..0000000000 --- a/windows/security/threat-protection/auditing/event-4663.md +++ /dev/null @@ -1,223 +0,0 @@ ---- -title: 4663(S) An attempt was made to access an object. -description: Describes security event 4663(S) An attempt was made to access an object. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4663(S): An attempt was made to access an object. - - -Event 4663 illustration - -***Subcategories:*** [Audit File System](audit-file-system.md), [Audit Kernel Object](audit-kernel-object.md), [Audit Registry](audit-registry.md), and [Audit Removable Storage](audit-removable-storage.md) - -***Event Description:*** - -This event indicates that a specific operation was performed on an object. The object could be a file system, kernel, or registry object, or a file system object on removable storage or a device. - -This event generates only if object’s [SACL](/windows/win32/secauthz/access-control-lists) has required ACE to handle specific access right use. - -The main difference with “[4656](event-4656.md): A handle to an object was requested.” event is that 4663 shows that access right was used instead of just requested and 4663 doesn’t have Failure events. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4663 - 1 - 0 - 12800 - 0 - 0x8020000000000000 - - 273866 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x4367b - Security - File - C:\\Documents\\HBI Data.txt - 0x1bc - %%4417 %%4418 - 0x6 - 0x458 - C:\\Windows\\System32\\notepad.exe - S:AI(RA;ID;;;;WD;("Impact\_MS",TI,0x10020,3000)) - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** - -- 0 - Windows Server 2008, Windows Vista. - -- 1 - Windows Server 2012, Windows 8. - - - Added “Resource Attributes” field. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that made an attempt to access an object. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that made an attempt to access an object. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object**: - -- **Object Server** \[Type = UnicodeString\]: has “**Security**” value for this event. - -- **Object Type** \[Type = UnicodeString\]: The type of object that was accessed during the operation. - - The following table contains the list of the most common **Object Types**: - -| Directory | Event | Timer | Device | -|-------------------------|--------------|----------------------|--------------| -| Mutant | Type | File | Token | -| Thread | Section | WindowStation | DebugObject | -| FilterCommunicationPort | EventPair | Driver | IoCompletion | -| Controller | SymbolicLink | WmiGuid | Process | -| Profile | Desktop | KeyedEvent | Adapter | -| Key | WaitablePort | Callback | Semaphore | -| Job | Port | FilterConnectionPort | ALPC Port | - -- **Object Name** \[Type = UnicodeString\]: name and other identifying information for the object for which access was requested. For example, for a file, the path would be included. - -- **Handle ID** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can be used for correlation with other events, for example with **Handle ID** field in “[4656](event-4656.md)(S, F): A handle to an object was requested.” This parameter might not be captured in the event, and in that case appears as “0x0”. - -- **Resource Attributes** \[Type = UnicodeString\] \[Version 1\]: attributes associated with the object. For some objects, the field does not apply and “-“ is displayed. - - For example, for a file, the following might be displayed: S:AI(RA;ID;;;;WD;("Impact\_MS",TI,0x10020,3000)) - - - Impact\_MS: Resource Property ***ID***. - - - 3000: Recourse Property ***Value***. - -Impact property illustration - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process that accessed the object. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Access Request Information:** - -- **Accesses** \[Type = UnicodeString\]: the list of access rights which were used by **Subject\\Security ID**. These access rights depend on **Object Type**. The following table contains information about the most common access rights for file system objects. Access rights for registry objects are often similar to file system objects, but the table contains a few notes about how they vary. - -| Access | Hex Value,
Schema Value | Description | -|----------------------------------------------------------------------------------------|-----------------------------|---------------------| -| ReadData (or ListDirectory)

(For registry objects, this is “Query key value.”) | 0x1,
%%4416 | **ReadData -** For a file object, the right to read the corresponding file data. For a directory object, the right to read the corresponding directory data.
**ListDirectory -** For a directory, the right to list the contents of the directory. | -| WriteData (or AddFile)

(For registry objects, this is “Set key value.”) | 0x2,
%%4417 | **WriteData -** For a file object, the right to write data to the file. For a directory object, the right to create a file in the directory (**FILE\_ADD\_FILE**).
**AddFile -** For a directory, the right to create a file in the directory. | -| AppendData (or AddSubdirectory or CreatePipeInstance) | 0x4,
%%4418 | **AppendData -** For a file object, the right to append data to the file. (For local files, write operations will not overwrite existing data if this flag is specified without **FILE\_WRITE\_DATA**.) For a directory object, the right to create a subdirectory (**FILE\_ADD\_SUBDIRECTORY**).
**AddSubdirectory -** For a directory, the right to create a subdirectory.
**CreatePipeInstance -** For a named pipe, the right to create a pipe. | -| ReadEA
(For registry objects, this is “Enumerate sub-keys.”) | 0x8,
%%4419 | The right to read extended file attributes. | -| WriteEA | 0x10,
%%4420 | The right to write extended file attributes. | -| Execute/Traverse | 0x20,
%%4421 | **Execute** - For a native code file, the right to execute the file. This access right given to scripts may cause the script to be executable, depending on the script interpreter.
**Traverse -** For a directory, the right to traverse the directory. By default, users are assigned the **BYPASS\_TRAVERSE\_CHECKING**  [privilege](/windows/win32/secauthz/privileges), which ignores the **FILE\_TRAVERSE**  [access right](/windows/win32/secauthz/access-rights-and-access-masks). See the remarks in [File Security and Access Rights](/windows/win32/fileio/file-security-and-access-rights) for more information. | -| DeleteChild | 0x40,
%%4422 | For a directory, the right to delete a directory and all the files it contains, including read-only files. | -| ReadAttributes | 0x80,
%%4423 | The right to read file attributes. | -| WriteAttributes | 0x100,
%%4424 | The right to write file attributes. | -| DELETE | 0x10000,
%%1537 | The right to delete the object. | -| READ\_CONTROL | 0x20000,
%%1538 | The right to read the information in the object's security descriptor, not including the information in the system access control list (SACL). | -| WRITE\_DAC | 0x40000,
%%1539 | The right to modify the discretionary access control list (DACL) in the object's security descriptor. | -| WRITE\_OWNER | 0x80000,
%%1540 | The right to change the owner in the object's security descriptor | -| SYNCHRONIZE | 0x100000,
%%1541 | The right to use the object for synchronization. This enables a thread to wait until the object is in the signaled state. Some object types do not support this access right. | -| ACCESS\_SYS\_SEC | 0x1000000,
%%1542 | The ACCESS\_SYS\_SEC access right controls the ability to get or set the SACL in an object's security descriptor. | - -> Table 15. File System objects access rights. - -- **Access Mask** \[Type = HexInt32\]: hexadecimal mask for the requested or performed operation. For more information, see the preceding table. - -## Security Monitoring Recommendations - -For 4663(S): An attempt was made to access an object. - -For kernel objects, this event and other auditing events have little to no security relevance and are hard to parse or analyze. There is no recommendation for auditing them, unless you know exactly what you need to monitor at the Kernel objects level. - -For other types of objects, the following recommendations apply. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If you have critical file system objects for which you need to monitor all access attempts, monitor this event for **Object Name**. - -- If you have critical file system objects for which you need to monitor certain access attempts (for example, write actions), monitor this event for **Object Name** in relation to **Access Request Information\\Accesses**. - -- If you have file system objects with specific attributes, for which you need to monitor access attempts, monitor this event for **Resource Attributes**. - -- If **Object Name** is a sensitive or critical registry key for which you need to monitor specific access attempts (for example, only write actions), monitor for all [4663](event-4663.md) events with the corresponding **Access Request Information\\Accesses**. - - - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - -- For file system objects, we recommend that you monitor for these **Access Request Information\\Accesses** rights: - - - WriteData (or AddFile) - - - AppendData (or AddSubdirectory or CreatePipeInstance) - - - WriteEA - - - DeleteChild - - - WriteAttributes - - - DELETE - - - WRITE\_DAC - - - WRITE\_OWNER \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4664.md b/windows/security/threat-protection/auditing/event-4664.md deleted file mode 100644 index 79af8c22de..0000000000 --- a/windows/security/threat-protection/auditing/event-4664.md +++ /dev/null @@ -1,110 +0,0 @@ ---- -title: 4664(S) An attempt was made to create a hard link. -description: Describes security event 4664(S) An attempt was made to create a hard link. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4664(S): An attempt was made to create a hard link. - - -Event 4664 illustration - -***Subcategory:*** [Audit File System](audit-file-system.md) - -***Event Description:*** - -This event generates when an NTFS hard link was successfully created. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4664 - 0 - 0 - 12800 - 0 - 0x8020000000000000 - - 276680 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x43659 - C:\\notepad.exe - C:\\Docs\\My.exe - {00000000-0000-0000-0000-000000000000} - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that made an attempt to create the hard link. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that made an attempt to create the hard link. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Link Information:** - -- **File Name** \[Type = UnicodeString\]**:** the name of a file or folder that new hard link refers to. - -- **Link Name** \[Type = UnicodeString\]**:** full path name with new hard link file name. - -- **Transaction ID** \[Type = GUID\]: unique GUID of the transaction. This field can help you correlate this event with other events that might contain the same **Transaction ID**, such as “[4660](event-4660.md)(S): An object was deleted.” - - This parameter might not be captured in the event, and in that case appears as “{00000000-0000-0000-0000-000000000000}”. - -> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities or instances. - -## Security Monitoring Recommendations - -For 4664(S): An attempt was made to create a hard link. - -- We recommend monitoring for any [4664](event-4664.md) event, because this action is not typical for normal operating system behavior and can be a sign of malicious activity. - diff --git a/windows/security/threat-protection/auditing/event-4670.md b/windows/security/threat-protection/auditing/event-4670.md deleted file mode 100644 index 45d44238be..0000000000 --- a/windows/security/threat-protection/auditing/event-4670.md +++ /dev/null @@ -1,273 +0,0 @@ ---- -title: 4670(S) Permissions on an object were changed. -description: Describes security event 4670(S) Permissions on an object were changed. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4670(S): Permissions on an object were changed. - - -Event 4670 illustration - -***Subcategories:*** [Audit File System](audit-file-system.md), [Audit Registry](audit-registry.md), [Audit Authentication Policy Change](audit-authentication-policy-change.md), and [Audit Authorization Policy Change](audit-authorization-policy-change.md) - -***Event Description:*** - -This event generates when the permissions for an object are changed. The object could be a file system, registry, or security token object. - -This event does not generate if the [SACL](/windows/win32/secauthz/access-control-lists) (Auditing ACL) was changed. - -Before this event can generate, certain ACEs might need to be set in the object’s [SACL](/windows/win32/secauthz/access-control-lists). For example, for a file system object, it generates only if “Change Permissions" and/or "Take Ownership” are set in the object’s SACL. For a registry key, it generates only if “Write DAC" and/or "Write Owner” are set in the object’s SACL. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4670 - 0 - 0 - 13570 - 0 - 0x8020000000000000 - - 269529 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x43659 - Security - File - C:\\Documents\\netcat-1.11 - 0x3f0 - D:AI(A;OICIID;FA;;;S-1-5-21-3457937927-2839227994-823803824-2104)(A;OICIID;FA;;;S-1-5-21-3457937927-2839227994-823803824-1104)(A;OICIID;FA;;;SY)(A;OICIID;FA;;;BA) - D:ARAI(A;OICI;FA;;;WD)(A;OICIID;FA;;;S-1-5-21-3457937927-2839227994-823803824-2104)(A;OICIID;FA;;;S-1-5-21-3457937927-2839227994-823803824-1104)(A;OICIID;FA;;;SY)(A;OICIID;FA;;;BA) - 0xdb0 - C:\\Windows\\System32\\dllhost.exe - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “change object’s permissions” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “change object’s permissions” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object**: - -- **Object Server** \[Type = UnicodeString\]: has “**Security**” value for this event. - -- **Object Type** \[Type = UnicodeString\]: The type of an object that was accessed during the operation. - - The following table contains the list of the most common **Object Types**: - -| Directory | Event | Timer | Device | -|-------------------------|--------------|----------------------|--------------| -| Mutant | Type | File | Token | -| Thread | Section | WindowStation | DebugObject | -| FilterCommunicationPort | EventPair | Driver | IoCompletion | -| Controller | SymbolicLink | WmiGuid | Process | -| Profile | Desktop | KeyedEvent | Adapter | -| Key | WaitablePort | Callback | Semaphore | -| Job | Port | FilterConnectionPort | ALPC Port | - -- **Object Name** \[Type = UnicodeString\]: name and other identifying information for the object for which permissions were changed. For example, for a file, the path would be included. For Token objects, this field typically equals “-“. - -- **Handle ID** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can help you correlate this event with other events that might contain the same Handle ID, for example, “[4663](event-4663.md)(S): An attempt was made to access an object.” This parameter might not be captured in the event, and in that case appears as “0x0”. - -**Process:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process through which the permissions were changed. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Permissions Change:** - -- **Original Security Descriptor** \[Type = UnicodeString\]**:** the old Security Descriptor Definition Language (SDDL) value for the object. - -- **New Security Descriptor** \[Type = UnicodeString\]**:** the new Security Descriptor Definition Language (SDDL) value for the object. - -> **Note**  The **Security Descriptor Definition Language (SDDL)** defines string elements for enumerating information contained in the security descriptor. -> -> Example: -> -> *O*:BA*G*:SY*D*:(D;;0xf0007;;;AN)(D;;0xf0007;;;BG)(A;;0xf0007;;;SY)(A;;0×7;;;BA)*S*:ARAI(AU;SAFA;DCLCRPCRSDWDWO;;;WD) -> -> - *O*: = Owner. SID of specific security principal, or reserved (pre-defined) value, for example: BA (BUILTIN\_ADMINISTRATORS), WD (Everyone), SY (LOCAL\_SYSTEM), etc. -> See the list of possible values in the table below: - -| Value | Description | Value | Description | -|-------|--------------------------------------|-------|---------------------------------| -| "AO" | Account operators | "PA" | Group Policy administrators | -| "RU" | Alias to allow previous Windows 2000 | "IU" | Interactively logged-on user | -| "AN" | Anonymous logon | "LA" | Local administrator | -| "AU" | Authenticated users | "LG" | Local guest | -| "BA" | Built-in administrators | "LS" | Local service account | -| "BG" | Built-in guests | "SY" | Local system | -| "BO" | Backup operators | "NU" | Network logon user | -| "BU" | Built-in users | "NO" | Network configuration operators | -| "CA" | Certificate server administrators | "NS" | Network service account | -| "CG" | Creator group | "PO" | Printer operators | -| "CO" | Creator owner | "PS" | Personal self | -| "DA" | Domain administrators | "PU" | Power users | -| "DC" | Domain computers | "RS" | RAS servers group | -| "DD" | Domain controllers | "RD" | Terminal server users | -| "DG" | Domain guests | "RE" | Replicator | -| "DU" | Domain users | "RC" | Restricted code | -| "EA" | Enterprise administrators | "SA" | Schema administrators | -| "ED" | Enterprise domain controllers | "SO" | Server operators | -| "WD" | Everyone | "SU" | Service logon user | - -- *G*: = Primary Group. -- *D*: = DACL Entries. -- *S*: = SACL Entries. - -*DACL/SACL entry format:* entry\_type:inheritance\_flags(ace\_type;ace\_flags;rights;object\_guid;inherit\_object\_guid;account\_sid) - -Example: D:(A;;FA;;;WD) - -- entry\_type: - -“D” - DACL - -“S” - SACL - -- inheritance\_flags: - -"P” - SDDL\_PROTECTED, Inheritance from containers that are higher in the folder hierarchy are blocked. - -"AI" - SDDL\_AUTO\_INHERITED, Inheritance is allowed, assuming that "P" Is not also set. - -"AR" - SDDL\_AUTO\_INHERIT\_REQ, Child objects inherit permissions from this object. - -- ace\_type: - -"A" - ACCESS ALLOWED - -"D" - ACCESS DENIED - -"OA" - OBJECT ACCESS ALLOWED: only applies to a subset of the object(s). - -"OD" - OBJECT ACCESS DENIED: only applies to a subset of the object(s). - -"AU" - SYSTEM AUDIT - -"A" - SYSTEM ALARM - -"OU" - OBJECT SYSTEM AUDIT - -"OL" - OBJECT SYSTEM ALARM - -- ace\_flags: - -"CI" - CONTAINER INHERIT: Child objects that are containers, such as directories, inherit the ACE as an explicit ACE. - -"OI" - OBJECT INHERIT: Child objects that are not containers inherit the ACE as an explicit ACE. - -"NP" - NO PROPAGATE: only immediate children inherit this ace. - -"IO" - INHERITANCE ONLY: ace doesn’t apply to this object, but may affect children via inheritance. - -"ID" - ACE IS INHERITED - -"SA" - SUCCESSFUL ACCESS AUDIT - -"FA" - FAILED ACCESS AUDIT -- rights: A hexadecimal string which denotes the access mask or reserved value, for example: FA (File All Access), FX (File Execute), FW (File Write), etc. - -| Value | Description | Value | Description | -|----------------------------|---------------------------------|----------------------|--------------------------| -| Generic access rights | Directory service access rights | -| "GA" | GENERIC ALL | "RC" | Read Permissions | -| "GR" | GENERIC READ | "SD" | Delete | -| "GW" | GENERIC WRITE | "WD" | Modify Permissions | -| "GX" | GENERIC EXECUTE | "WO" | Modify Owner | -| File access rights | | "RP" | Read All Properties | -| "FA" | FILE ALL ACCESS | "WP" | Write All Properties | -| "FR" | FILE GENERIC READ | "CC" | Create All Child Objects | -| "FW" | FILE GENERIC WRITE | "DC" | Delete All Child Objects | -| "FX" | FILE GENERIC EXECUTE | "LC" | List Contents | -| Registry key access rights | | "SW" | Self Write | -| "KA" | KEY ALL ACCESS | "LO" | List Object | -| "KR" | KEY READ | "DT" | Delete Subtree | -| "KW" | KEY WRITE | "CR" | All Extended Rights | -| "KX" | KEY EXECUTE | | | - -- object\_guid: N/A -- inherit\_object\_guid: N/A -- account\_sid: SID of specific security principal, or reserved value, for example: AN (Anonymous), WD (Everyone), SY (LOCAL\_SYSTEM), etc. See the table above for more details. - -For more information about SDDL syntax, see these articles: , . - -## Security Monitoring Recommendations - -For 4670(S): Permissions on an object were changed. - -For token objects, this is typically an informational event, and at the same time it is difficult to identify which token's permission were changed. For token objects, there are no monitoring recommendations for this event in this document. - -For file system and registry objects, the following recommendations apply. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - -- If you have critical registry objects for which you need to monitor all modifications (especially permissions changes and owner changes), monitor for the specific **Object\\Object Name.** - -- If you have high-value computers for which you need to monitor all changes for all or specific objects (for example, file system or registry objects), monitor for all [4670](event-4670.md) events on these computers. For example, you could monitor the **ntds.dit** file on domain controllers. diff --git a/windows/security/threat-protection/auditing/event-4671.md b/windows/security/threat-protection/auditing/event-4671.md deleted file mode 100644 index f027eb4094..0000000000 --- a/windows/security/threat-protection/auditing/event-4671.md +++ /dev/null @@ -1,22 +0,0 @@ ---- -title: 4671(-) An application attempted to access a blocked ordinal through the TBS. -description: Describes security event 4671(-) An application attempted to access a blocked ordinal through the TBS. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4671(-): An application attempted to access a blocked ordinal through the TBS. - -* -Currently this event doesn’t generate. It is a defined event, but it is never invoked by the operating system. - -***Subcategory:*** [Audit Other Object Access Events](audit-other-object-access-events.md) - diff --git a/windows/security/threat-protection/auditing/event-4672.md b/windows/security/threat-protection/auditing/event-4672.md deleted file mode 100644 index d1ea01797e..0000000000 --- a/windows/security/threat-protection/auditing/event-4672.md +++ /dev/null @@ -1,148 +0,0 @@ ---- -title: 4672(S) Special privileges assigned to new logon. -description: Describes security event 4672(S) Special privileges assigned to new logon. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4672(S): Special privileges assigned to new logon. - - -Event 4672 illustration -
-Subcategory: Audit Special Logon - -***Event Description:*** - -This event generates for new account logons if any of the following sensitive privileges are assigned to the new logon session: - -- SeTcbPrivilege - Act as part of the operating system - -- SeBackupPrivilege - Back up files and directories - -- SeCreateTokenPrivilege - Create a token object - -- SeDebugPrivilege - Debug programs - -- SeEnableDelegationPrivilege - Enable computer and user accounts to be trusted for delegation - -- SeAuditPrivilege - Generate security audits - -- SeImpersonatePrivilege - Impersonate a client after authentication - -- SeLoadDriverPrivilege - Load and unload device drivers - -- SeSecurityPrivilege - Manage auditing and security log - -- SeSystemEnvironmentPrivilege - Modify firmware environment values - -- SeAssignPrimaryTokenPrivilege - Replace a process-level token - -- SeRestorePrivilege - Restore files and directories, - -- SeTakeOwnershipPrivilege - Take ownership of files or other objects - -You typically will see many of these events in the event log, because every logon of SYSTEM (Local System) account triggers this event. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4672 - 0 - 0 - 12548 - 0 - 0x8020000000000000 - - 237692 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x671101 - SeTcbPrivilege SeSecurityPrivilege SeTakeOwnershipPrivilege SeLoadDriverPrivilege SeBackupPrivilege SeRestorePrivilege SeDebugPrivilege SeSystemEnvironmentPrivilege SeEnableDelegationPrivilege SeImpersonatePrivilege - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account to which special privileges were assigned. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account to which special privileges were assigned. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Privileges** \[Type = UnicodeString\]**:** the list of sensitive privileges, assigned to the new logon. The following table contains the list of possible privileges for this event: - -| Privilege Name | User Right Group Policy Name | Description | -|-------------------------------|----------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| SeAssignPrimaryTokenPrivilege | Replace a process-level token | Required to assign the [*primary token*](/windows/win32/secgloss/p-gly#_security_primary_token_gly) of a process.
With this privilege, the user can initiate a process to replace the default token associated with a started subprocess. | -| SeAuditPrivilege | Generate security audits | With this privilege, the user can add entries to the security log. | -| SeBackupPrivilege | Back up files and directories | - Required to perform backup operations.
With this privilege, the user can bypass file and directory, registry, and other persistent object permissions for the purposes of backing up the system.
This privilege causes the system to grant all read access control to any file, regardless of the [*access control list*](/windows/win32/secgloss/a-gly#_security_access_control_list_gly) (ACL) specified for the file. Any access request other than read is still evaluated with the ACL. The following access rights are granted if this privilege is held:
READ\_CONTROL
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_READ
FILE\_TRAVERSE | -| SeCreateTokenPrivilege | Create a token object | Allows a process to create a token which it can then use to get access to any local resources when the process uses NtCreateToken() or other token-creation APIs.
When a process requires this privilege, we recommend using the LocalSystem account (which already includes the privilege), rather than creating a separate user account and assigning this privilege to it. | -| SeDebugPrivilege | Debug programs | Required to debug and adjust the memory of a process owned by another account.
With this privilege, the user can attach a debugger to any process or to the kernel. We recommend that SeDebugPrivilege always be granted to Administrators, and only to Administrators. Developers who are debugging their own applications do not need this user right. Developers who are debugging new system components need this user right. This user right provides complete access to sensitive and critical operating system components. | -| SeEnableDelegationPrivilege | Enable computer and user accounts to be trusted for delegation | Required to mark user and computer accounts as trusted for delegation.
With this privilege, the user can set the **Trusted for Deleg**ation setting on a user or computer object.
The user or object that is granted this privilege must have write access to the account control flags on the user or computer object. A server process running on a computer (or under a user context) that is trusted for delegation can access resources on another computer using the delegated credentials of a client, as long as the account of the client does not have the **Account cannot be delegated** account control flag set. | -| SeImpersonatePrivilege | Impersonate a client after authentication | With this privilege, the user can impersonate other accounts. | -| SeLoadDriverPrivilege | Load and unload device drivers | Required to load or unload a device driver.
With this privilege, the user can dynamically load and unload device drivers or other code in to kernel mode. This user right does not apply to Plug and Play device drivers. | -| SeRestorePrivilege | Restore files and directories | Required to perform restore operations. This privilege causes the system to grant all write access control to any file, regardless of the ACL specified for the file. Any access request other than write is still evaluated with the ACL. Additionally, this privilege enables you to set any valid user or group SID as the owner of a file. The following access rights are granted if this privilege is held:
WRITE\_DAC
WRITE\_OWNER
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_WRITE
FILE\_ADD\_FILE
FILE\_ADD\_SUBDIRECTORY
DELETE
With this privilege, the user can bypass file, directory, registry, and other persistent objects permissions when restoring backed up files and directories and determines which users can set any valid security principal as the owner of an object. | -| SeSecurityPrivilege | Manage auditing and security log | Required to perform a number of security-related functions, such as controlling and viewing audit events in security event log.
With this privilege, the user can specify object access auditing options for individual resources, such as files, Active Directory objects, and registry keys.
A user with this privilege can also view and clear the security log. | -| SeSystemEnvironmentPrivilege | Modify firmware environment values | Required to modify the nonvolatile RAM of systems that use this type of memory to store configuration information. | -| SeTakeOwnershipPrivilege | Take ownership of files or other objects | Required to take ownership of an object without being granted discretionary access. This privilege allows the owner value to be set only to those values that the holder may legitimately assign as the owner of an object.
With this privilege, the user can take ownership of any securable object in the system, including Active Directory objects, files and folders, printers, registry keys, processes, and threads. | -| SeTcbPrivilege | Act as part of the operating system | This privilege identifies its holder as part of the trusted computer base.
This user right allows a process to impersonate any user without authentication. The process can therefore gain access to the same local resources as that user. | - -## Security Monitoring Recommendations - -For 4672(S): Special privileges assigned to new logon. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Monitor for this event where “**Subject\\Security ID**” is *not* one of these well-known security principals: LOCAL SYSTEM, NETWORK SERVICE, LOCAL SERVICE, and where “**Subject\\Security ID**” is not an administrative account that is expected to have the listed **Privileges**. - -- If you have a list of specific privileges which should never be granted, or granted only to a few accounts (for example, SeDebugPrivilege), use this event to monitor for those “**Privileges**.” - - - -- If you are required to monitor any of the sensitive privileges in the [Event Description for this event](event-4672.md), search for those specific privileges in the event. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4673.md b/windows/security/threat-protection/auditing/event-4673.md deleted file mode 100644 index 492ddbcfe0..0000000000 --- a/windows/security/threat-protection/auditing/event-4673.md +++ /dev/null @@ -1,195 +0,0 @@ ---- -title: 4673(S, F) A privileged service was called. -description: Describes security event 4673(S, F) A privileged service was called. This event is generated for an attempt to perform privileged system service operations. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4673(S, F): A privileged service was called. - - -Event 4673 illustration - -***Subcategories:*** [Audit Sensitive Privilege Use](audit-sensitive-privilege-use.md) and [Audit Non Sensitive Privilege Use](audit-non-sensitive-privilege-use.md) - -***Event Description:*** - -This event generates when an attempt was made to perform privileged system service operations. - -This event generates, for example, when **SeSystemtimePrivilege**, **SeCreateGlobalPrivilege**, or **SeTcbPrivilege** privilege was used. - -Failure event generates when service call attempt fails. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4673 - 0 - 0 - 13056 - 0 - 0x8020000000000000 - - 1099777 - - - Security - DC01.contoso.local - - -- - S-1-5-18 - DC01$ - CONTOSO - 0x3e7 - NT Local Security Authority / Authentication Service - LsaRegisterLogonProcess() - SeTcbPrivilege - 0x1f0 - C:\\Windows\\System32\\lsass.exe - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested privileged operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested privileged operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Service**: - -- **Server** \[Type = UnicodeString\]: contains the name of the Windows subsystem calling the routine. Subsystems examples are: - - - Security - - - Security Account Manager - - - NT Local Security Authority / Authentication Service - - - SC Manager - - - Win32 SystemShutdown module - - - LSA - -- **Service Name** \[Type = UnicodeString\] \[Optional\]: supplies a name of the privileged subsystem service or function. For example, "RESET RUNTIME LOCAL SECURITY" might be specified by a **Local Security Authority** service used to update the local security policy database or **LsaRegisterLogonProcess()** might be specified by a **NT Local Security Authority / Authentication Service** used to register new logon process. - -**Process:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process that attempted to call the privileged service. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Service Request Information**: - -- **Privileges** \[Type = UnicodeString\]: the list of user privileges which were requested. The possible privileges depend on the subcategory, either **Audit Non Sensitive Privilege Use** or **Audit Sensitive Privilege Use**, as shown in the following two tables: - -| **Subcategory of event** | **Privilege Name:
User Right Group Policy Name** | **Description** | -|-----------------------------------|-----------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Audit Non Sensitive Privilege Use | SeChangeNotifyPrivilege:
Bypass traverse checking | Required to receive notifications of changes to files or directories. This privilege also causes the system to skip all traversal access checks.
With this privilege, the user can traverse directory trees even though the user may not have permissions on the traversed directory. This privilege does not allow the user to list the contents of a directory, only to traverse directories. | -| Audit Non Sensitive Privilege Use | SeCreateGlobalPrivilege:
Create global objects | Required to create named file mapping objects in the global namespace during Terminal Services sessions. | -| Audit Non Sensitive Privilege Use | SeCreatePagefilePrivilege:
Create a pagefile | With this privilege, the user can create and change the size of a pagefile. | -| Audit Non Sensitive Privilege Use | SeCreatePermanentPrivilege:
Create permanent shared objects | Required to create a permanent object.
This privilege is useful to kernel-mode components that extend the object namespace. Components that are running in kernel mode already have this privilege inherently; it is not necessary to assign them the privilege. | -| Audit Non Sensitive Privilege Use | SeCreateSymbolicLinkPrivilege:
Create symbolic links | Required to create a symbolic link. | -| Audit Non Sensitive Privilege Use | SeIncreaseBasePriorityPrivilege:
Increase scheduling priority | Required to increase the base priority of a process.
With this privilege, the user can use a process with Write property access to another process to increase the execution priority assigned to the other process. A user with this privilege can change the scheduling priority of a process through the Task Manager user interface. | -| Audit Non Sensitive Privilege Use | SeIncreaseQuotaPrivilege:
Adjust memory quotas for a process | Required to increase the quota assigned to a process.
With this privilege, the user can change the maximum memory that can be consumed by a process. | -| Audit Non Sensitive Privilege Use | SeIncreaseWorkingSetPrivilege:
Increase a process working set | Required to allocate more memory for applications that run in the context of users. | -| Audit Non Sensitive Privilege Use | SeLockMemoryPrivilege:
Lock pages in memory | Required to lock physical pages in memory.
With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| Audit Non Sensitive Privilege Use | SeMachineAccountPrivilege:
Add workstations to domain | With this privilege, the user can create a computer account.
This privilege is valid only on domain controllers. | -| Audit Non Sensitive Privilege Use | SeManageVolumePrivilege:
Perform volume maintenance tasks | Required to run maintenance tasks on a volume, such as remote defragmentation. | -| Audit Non Sensitive Privilege Use | SeProfileSingleProcessPrivilege:
Profile single process | Required to gather profiling information for a single process.
With this privilege, the user can use performance monitoring tools to monitor the performance of non-system processes. | -| Audit Non Sensitive Privilege Use | SeRelabelPrivilege:
Modify an object label | Required to modify the mandatory integrity level of an object. | -| Audit Non Sensitive Privilege Use | SeRemoteShutdownPrivilege:
Force shutdown from a remote system | Required to shut down a system using a network request. | -| Audit Non Sensitive Privilege Use | SeShutdownPrivilege:
Shut down the system | Required to shut down a local system. | -| Audit Non Sensitive Privilege Use | SeSyncAgentPrivilege:
Synchronize directory service data | This privilege enables the holder to read all objects and properties in the directory, regardless of the protection on the objects and properties. By default, it is assigned to the Administrator and LocalSystem accounts on domain controllers.
With this privilege, the user can synchronize all directory service data. This is also known as Active Directory synchronization. | -| Audit Non Sensitive Privilege Use | SeSystemProfilePrivilege:
Profile system performance | Required to gather profiling information for the entire system.
With this privilege, the user can use performance monitoring tools to monitor the performance of system processes. | -| Audit Non Sensitive Privilege Use | SeSystemtimePrivilege:
Change the system time | Required to modify the system time. With this privilege, the user can change the time and date on the internal clock of the computer. Users that are assigned this user right can affect the appearance of event logs.
If the system time is changed, events that are logged will reflect this new time, not the actual time that the events occurred. | -| Audit Non Sensitive Privilege Use | SeTimeZonePrivilege:
Change the time zone | Required to adjust the time zone associated with the computer's internal clock. | -| Audit Non Sensitive Privilege Use | SeTrustedCredManAccessPrivilege:
Access Credential Manager as a trusted caller | Required to access Credential Manager as a trusted caller. | -| Audit Non Sensitive Privilege Use | SeUndockPrivilege:
Remove computer from docking station | Required to undock a laptop.
With this privilege, the user can undock a portable computer from its docking station without logging on. | - -| **Subcategory of event** | **Privilege Name:
User Right Group Policy Name** | **Description** | -|-------------------------------|------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Audit Sensitive Privilege Use | SeAssignPrimaryTokenPrivilege:
Replace a process-level token | Required to assign the [*primary token*](/windows/win32/secgloss/p-gly#_security_primary_token_gly) of a process. With this privilege, the user can initiate a process to replace the default token associated with a started subprocess. | -| Audit Sensitive Privilege Use | SeAuditPrivilege:
Generate security audits | With this privilege, the user can add entries to the security log. | -| Audit Sensitive Privilege Use | SeCreateTokenPrivilege:
Create a token object | Allows a process to create a token which it can then use to get access to any local resources when the process uses NtCreateToken() or other token-creation APIs. When a process requires this privilege, we recommend using the LocalSystem account (which already includes the privilege), rather than creating a separate user account and assigning this privilege to it. | -| Audit Sensitive Privilege Use | SeDebugPrivilege:
Debug programs | Required to debug and adjust the memory of a process owned by another account. With this privilege, the user can attach a debugger to any process or to the kernel. Developers who are debugging their own applications do not need this user right. Developers who are debugging new system components need this user right. This user right provides complete access to sensitive and critical operating system components. | -| Audit Sensitive Privilege Use | SeImpersonatePrivilege:
Impersonate a client after authentication | With this privilege, the user can impersonate other accounts. | -| Audit Sensitive Privilege Use | SeLoadDriverPrivilege:
Load and unload device drivers | Required to load or unload a device driver. With this privilege, the user can dynamically load and unload device drivers or other code in to kernel mode. This user right does not apply to Plug and Play device drivers. | -| Audit Sensitive Privilege Use | SeLockMemoryPrivilege:
Lock pages in memory | Required to lock physical pages in memory. With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| Audit Sensitive Privilege Use | SeSystemEnvironmentPrivilege:
Modify firmware environment values | Required to modify the nonvolatile RAM of systems that use this type of memory to store configuration information. | -| Audit Sensitive Privilege Use | SeTcbPrivilege:
Act as part of the operating system | This privilege identifies its holder as part of the trusted computer base. This user right allows a process to impersonate any user without authentication. The process can therefore gain access to the same local resources as that user. | -| Audit Sensitive Privilege Use | SeEnableDelegationPrivilege:
Enable computer and user accounts to be trusted for delegation | Required to mark user and computer accounts as trusted for delegation. With this privilege, the user can set the **Trusted for Deleg**ation setting on a user or computer object. The user or object that is granted this privilege must have write access to the account control flags on the user or computer object. A server process running on a computer (or under a user context) that is trusted for delegation can access resources on another computer using the delegated credentials of a client, as long as the account of the client does not have the **Account cannot be delegated** account control flag set. | - -## Security Monitoring Recommendations - -For 4673(S, F): A privileged service was called. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Monitor for this event where “**Subject\\Security ID**” is *not* one of these well-known security principals: LOCAL SYSTEM, NETWORK SERVICE, LOCAL SERVICE, and where “**Subject\\Security ID**” is not an administrative account that is expected to have the listed **Privileges**. See subcategories [Audit Sensitive Privilege Use](/windows/security/threat-protection/auditing/audit-sensitive-privilege-use) and [Audit Non Sensitive Privilege Use](/windows/security/threat-protection/auditing/audit-non-sensitive-privilege-use) for more details. - -- If you need to monitor events related to specific Windows subsystems (“**Service\\Server**”), for example **NT Local Security Authority / Authentication Service** or **Security Account Manager**, monitor this event for the corresponding “**Service\\Server**.” - -- If you need to monitor events related to specific Windows security services or functions (“**Service\\Service Name**”), for example **LsaRegisterLogonProcess()**, monitor this event for the corresponding “**Service\\Service Name**.” - - - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - -- For a specific “**Subject\\Security ID**,” if there is a defined list of allowed privileges, monitor for “**Privileges**” that it should not be able to use. - -- If you have a list of specific user rights which should never be used, or used only by a few accounts (for example, SeDebugPrivilege), trigger an alert for those “**Privileges**.” - -- If you have a list of specific user rights for which every use must be reported or monitored (for example, SeRemoteShutdownPrivilege), trigger an alert for those “**Privileges**.” diff --git a/windows/security/threat-protection/auditing/event-4674.md b/windows/security/threat-protection/auditing/event-4674.md deleted file mode 100644 index 6f571b60ea..0000000000 --- a/windows/security/threat-protection/auditing/event-4674.md +++ /dev/null @@ -1,223 +0,0 @@ ---- -title: 4674(S, F) An operation was attempted on a privileged object. -description: Describes security event 4674(S, F) An operation was attempted on a privileged object. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4674(S, F): An operation was attempted on a privileged object. - - -Event 4674 illustration - -***Subcategories:*** [Audit Sensitive Privilege Use](audit-sensitive-privilege-use.md) and [Audit Non Sensitive Privilege Use](audit-non-sensitive-privilege-use.md) - -***Event Description:*** - -This event generates when an attempt is made to perform privileged operations on a protected subsystem object after the object is already opened. - -This event generates, for example, when SeShutdownPrivilege, SeRemoteShutdownPrivilege, or SeSecurityPrivilege is used. - -Failure event generates when operation attempt fails. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4674 - 0 - 0 - 13056 - 0 - 0x8010000000000000 - - 1099680 - - - Security - DC01.contoso.local - - -- - S-1-5-19 - LOCAL SERVICE - NT AUTHORITY - 0x3e5 - LSA - - - - - 0x0 - 16777216 - SeSecurityPrivilege - 0x1f0 - C:\\Windows\\System32\\lsass.exe - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested privileged operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested privileged operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object**: - -- **Object Server** \[Type = UnicodeString\] \[Optional\]: Contains the name of the Windows subsystem calling the routine. Subsystems examples are: - - - Security - - - Security Account Manager - - - NT Local Security Authority / Authentication Service - - - SC Manager - - - Win32 SystemShutdown module - - - LSA - -- **Object Type** \[Type = UnicodeString\] \[Optional\]: The type of an object that was accessed during the operation. - - The following table contains the list of the most common **Object Types**: - -| Directory | Event | Timer | Device | -|-------------------------|--------------|----------------------|--------------------| -| Mutant | Type | File | Token | -| Thread | Section | WindowStation | DebugObject | -| FilterCommunicationPort | EventPair | Driver | IoCompletion | -| Controller | SymbolicLink | WmiGuid | Process | -| Profile | Desktop | KeyedEvent | SC\_MANAGER OBJECT | -| Key | WaitablePort | Callback | | -| Job | Port | FilterConnectionPort | | -| ALPC Port | Semaphore | Adapter | | - -- **Object Name** \[Type = UnicodeString\] \[Optional\]: the name of the object that was accessed during the operation. - -- **Object Handle** \[Type = Pointer\]: hexadecimal value of a handle to **Object Name**. This field can help you correlate this event with other events that might contain the same Handle ID, for example, “4656: A handle to an object was requested” event in appropriate/other subcategory. This parameter might not be captured in the event, and in that case appears as “0x0”. - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process that attempted the operation on the privileged object. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -**Requested Operation**: - -- **Desired Access** \[Type = UnicodeString\]: The desired access mask. This mask depends on **Object Server** and **Object Type** parameters values. The value of this parameter is in decimal format. There is no detailed information about this parameter in this document. If **Desired Access** is not presented, then this parameter will have “**0**” value. - -- **Privileges** \[Type = UnicodeString\]: the list of user privileges which were requested. The possible privileges depend on the subcategory, either **Audit Non Sensitive Privilege Use** or **Audit Sensitive Privilege Use**, as shown in the following two tables: - -| **Subcategory of event** | **Privilege Name:
User Right Group Policy Name** | **Description** | -|-----------------------------------|-----------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Audit Non Sensitive Privilege Use | SeChangeNotifyPrivilege:
Bypass traverse checking | Required to receive notifications of changes to files or directories. This privilege also causes the system to skip all traversal access checks.
With this privilege, the user can traverse directory trees even though the user may not have permissions on the traversed directory. This privilege does not allow the user to list the contents of a directory, only to traverse directories. | -| Audit Non Sensitive Privilege Use | SeCreateGlobalPrivilege:
Create global objects | Required to create named file mapping objects in the global namespace during Terminal Services sessions. | -| Audit Non Sensitive Privilege Use | SeCreatePagefilePrivilege:
Create a pagefile | With this privilege, the user can create and change the size of a pagefile. | -| Audit Non Sensitive Privilege Use | SeCreatePermanentPrivilege:
Create permanent shared objects | Required to create a permanent object.
This privilege is useful to kernel-mode components that extend the object namespace. Components that are running in kernel mode already have this privilege inherently; it is not necessary to assign them the privilege. | -| Audit Non Sensitive Privilege Use | SeCreateSymbolicLinkPrivilege:
Create symbolic links | Required to create a symbolic link. | -| Audit Non Sensitive Privilege Use | SeIncreaseBasePriorityPrivilege:
Increase scheduling priority | Required to increase the base priority of a process.
With this privilege, the user can use a process with Write property access to another process to increase the execution priority assigned to the other process. A user with this privilege can change the scheduling priority of a process through the Task Manager user interface. | -| Audit Non Sensitive Privilege Use | SeIncreaseQuotaPrivilege:
Adjust memory quotas for a process | Required to increase the quota assigned to a process.
With this privilege, the user can change the maximum memory that can be consumed by a process. | -| Audit Non Sensitive Privilege Use | SeIncreaseWorkingSetPrivilege:
Increase a process working set | Required to allocate more memory for applications that run in the context of users. | -| Audit Non Sensitive Privilege Use | SeLockMemoryPrivilege:
Lock pages in memory | Required to lock physical pages in memory.
With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| Audit Non Sensitive Privilege Use | SeMachineAccountPrivilege:
Add workstations to domain | With this privilege, the user can create a computer account. This privilege is valid only on domain controllers. | -| Audit Non Sensitive Privilege Use | SeManageVolumePrivilege:
Perform volume maintenance tasks | Required to run maintenance tasks on a volume, such as remote defragmentation. | -| Audit Non Sensitive Privilege Use | SeProfileSingleProcessPrivilege:
Profile single process | Required to gather profiling information for a single process.
With this privilege, the user can use performance monitoring tools to monitor the performance of non-system processes. | -| Audit Non Sensitive Privilege Use | SeRelabelPrivilege:
Modify an object label | Required to modify the mandatory integrity level of an object. | -| Audit Non Sensitive Privilege Use | SeRemoteShutdownPrivilege:
Force shutdown from a remote system | Required to shut down a system using a network request. | -| Audit Non Sensitive Privilege Use | SeShutdownPrivilege:
Shut down the system | Required to shut down a local system. | -| Audit Non Sensitive Privilege Use | SeSyncAgentPrivilege:
Synchronize directory service data | This privilege enables the holder to read all objects and properties in the directory, regardless of the protection on the objects and properties. By default, it is assigned to the Administrator and LocalSystem accounts on domain controllers.
With this privilege, the user can synchronize all directory service data. This is also known as Active Directory synchronization. | -| Audit Non Sensitive Privilege Use | SeSystemProfilePrivilege:
Profile system performance | Required to gather profiling information for the entire system.
With this privilege, the user can use performance monitoring tools to monitor the performance of system processes. | -| Audit Non Sensitive Privilege Use | SeSystemtimePrivilege:
Change the system time | Required to modify the system time.
With this privilege, the user can change the time and date on the internal clock of the computer. Users that are assigned this user right can affect the appearance of event logs. If the system time is changed, events that are logged will reflect this new time, not the actual time that the events occurred. | -| Audit Non Sensitive Privilege Use | SeTimeZonePrivilege:
Change the time zone | Required to adjust the time zone associated with the computer's internal clock. | -| Audit Non Sensitive Privilege Use | SeTrustedCredManAccessPrivilege:
Access Credential Manager as a trusted caller | Required to access Credential Manager as a trusted caller. | -| Audit Non Sensitive Privilege Use | SeUndockPrivilege:
Remove computer from docking station | Required to undock a laptop.
With this privilege, the user can undock a portable computer from its docking station without logging on. | - -| **Subcategory of event** | **Privilege Name:
User Right Group Policy Name** | **Description** | -|-------------------------------|-----------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| Audit Sensitive Privilege Use | SeAssignPrimaryTokenPrivilege:
Replace a process-level token | Required to assign the [*primary token*](/windows/win32/secgloss/p-gly#_security_primary_token_gly) of a process.
With this privilege, the user can initiate a process to replace the default token associated with a started subprocess. | -| Audit Sensitive Privilege Use | SeAuditPrivilege:
Generate security audits | With this privilege, the user can add entries to the security log. | -| Audit Sensitive Privilege Use | SeBackupPrivilege:
Back up files and directories | - Required to perform backup operations.
With this privilege, the user can bypass file and directory, registry, and other persistent object permissions for the purposes of backing up the system. This privilege causes the system to grant all read access control to any file, regardless of the [*access control list*](/windows/win32/secgloss/a-gly#_security_access_control_list_gly) (ACL) specified for the file. Any access request other than read is still evaluated with the ACL.
The following access rights are granted if this privilege is held:
READ\_CONTROL
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_READ
FILE\_TRAVERSE | -| Audit Sensitive Privilege Use | SeCreateTokenPrivilege:
Create a token object | Allows a process to create a token which it can then use to get access to any local resources when the process uses NtCreateToken() or other token-creation APIs.
When a process requires this privilege, we recommend using the LocalSystem account (which already includes the privilege), rather than creating a separate user account and assigning this privilege to it. | -| Audit Sensitive Privilege Use | SeDebugPrivilege:
Debug programs | Required to debug and adjust the memory of a process owned by another account.
With this privilege, the user can attach a debugger to any process or to the kernel. Developers who are debugging their own applications do not need this user right. Developers who are debugging new system components need this user right.
This user right provides complete access to sensitive and critical operating system components. | -| Audit Sensitive Privilege Use | SeImpersonatePrivilege:
Impersonate a client after authentication | With this privilege, the user can impersonate other accounts. | -| Audit Sensitive Privilege Use | SeLoadDriverPrivilege:
Load and unload device drivers | Required to load or unload a device driver.
With this privilege, the user can dynamically load and unload device drivers or other code in to kernel mode. This user right does not apply to Plug and Play device drivers. | -| Audit Sensitive Privilege Use | SeLockMemoryPrivilege:
Lock pages in memory | Required to lock physical pages in memory.
With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| Audit Sensitive Privilege Use | SeRestorePrivilege:
Restore files and directories | Required to perform restore operations. This privilege causes the system to grant all write access control to any file, regardless of the ACL specified for the file. Any access request other than write is still evaluated with the ACL. Additionally, this privilege enables you to set any valid user or group SID as the owner of a file. The following access rights are granted if this privilege is held:
WRITE\_DAC
WRITE\_OWNER
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_WRITE
FILE\_ADD\_FILE
FILE\_ADD\_SUBDIRECTORY
DELETE
With this privilege, the user can bypass file, directory, registry, and other persistent objects permissions when restoring backed up files and directories and determines which users can set any valid security principal as the owner of an object. | -| Audit Sensitive Privilege Use | SeSecurityPrivilege:
Manage auditing and security log | Required to perform a number of security-related functions, such as controlling and viewing audit events in security event log.
With this privilege, the user can specify object access auditing options for individual resources, such as files, Active Directory objects, and registry keys. A user with this privilege can also view and clear the security log. | -| Audit Sensitive Privilege Use | SeSystemEnvironmentPrivilege:
Modify firmware environment values | Required to modify the nonvolatile RAM of systems that use this type of memory to store configuration information. | -| Audit Sensitive Privilege Use | SeTakeOwnershipPrivilege:
Take ownership of files or other objects | Required to take ownership of an object without being granted discretionary access. This privilege allows the owner value to be set only to those values that the holder may legitimately assign as the owner of an object.
With this privilege, the user can take ownership of any securable object in the system, including Active Directory objects, files and folders, printers, registry keys, processes, and threads. | - -## Security Monitoring Recommendations - -For 4674(S, F): An operation was attempted on a privileged object. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Monitor for this event where “**Subject\\Security ID**” is *not* one of these well-known security principals: LOCAL SYSTEM, NETWORK SERVICE, LOCAL SERVICE, and where “**Subject\\Security ID**” is not an administrative account that is expected to have the listed **Privileges**. Especially monitor Failure events. - - - -- If you need to monitor events related to specific Windows subsystems (“**Object Server**”), for example **LSA** or **Security Account Manager**, monitor this event for the corresponding “**Object Server**.” - -- If you need to monitor events related to specific Windows object types (“**Object Type**”), for example **File** or **Key**, monitor this event for the corresponding “**Object Type**.” - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - - - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - - - -- If you know that specific “**Subject\\Security ID**” should only be able to use the privileges in a pre-defined list, monitor for events in which “**Subject\\Security ID**” used “**Privileges**” that are not on that list. - - - -- If you have a list of specific user rights which should never be used, or used only by a few accounts (for example, SeDebugPrivilege), trigger an alert for those “**Privileges**.” - -- If you have a list of specific user rights for which every use must be reported or monitored (for example, SeRemoteShutdownPrivilege), trigger an alert for those “**Privileges**.” \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4675.md b/windows/security/threat-protection/auditing/event-4675.md deleted file mode 100644 index 50f41a4220..0000000000 --- a/windows/security/threat-protection/auditing/event-4675.md +++ /dev/null @@ -1,62 +0,0 @@ ---- -title: 4675(S) SIDs were filtered. -description: Describes security event 4675(S) SIDs were filtered. This event is generated when SIDs were filtered for a specific Active Directory trust. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4675(S): SIDs were filtered. - - -This event generates when SIDs were filtered for specific Active Directory trust. - -See more information about SID filtering here: . - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -There is no example of this event in this document. - -***Subcategory:*** [Audit Logon](audit-logon.md) - -***Event Schema:*** - -*SIDs were filtered.* - -*Target Account:* - -> *Security ID:%1* -> -> *Account Name:%2* -> -> *Account Domain:%3* - -*Trust Information:* - -> *Trust Direction:%4* -> -> *Trust Attributes:%5* -> -> *Trust Type:%6* -> -> *TDO Domain SID:%7* -> -> *Filtered SIDs:%8* - -***Required Server Roles:*** Active Directory domain controller. - -***Minimum OS Version:*** Windows Server 2008. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -- If you need to monitor all SID filtering events/operations for specific or all Active Directory trusts, you can use this event to get all required information. - diff --git a/windows/security/threat-protection/auditing/event-4688.md b/windows/security/threat-protection/auditing/event-4688.md deleted file mode 100644 index 3dd248ad3c..0000000000 --- a/windows/security/threat-protection/auditing/event-4688.md +++ /dev/null @@ -1,215 +0,0 @@ ---- -title: 4688(S) A new process has been created. -description: Describes security event 4688(S) A new process has been created. This event is generated when a new process starts. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 01/24/2022 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4688(S): A new process has been created. (Windows 10) - - -Event 4688 illustration - -***Subcategory:*** [Audit Process Creation](audit-process-creation.md) - -***Event Description:*** - -This event generates every time a new process starts. - -> [Note] -> For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4688 - 2 - 0 - 13312 - 0 - 0x8020000000000000 - - 2814 - - - Security - WIN-GG82ULGC9GO.contoso.local - - -- - S-1-5-18 - WIN-GG82ULGC9GO$ - CONTOSO - 0x3e7 - 0x2bc - C:\\Windows\\System32\\rundll32.exe - %%1938 - 0xe74 - - S-1-5-21-1377283216-344919071-3415362939-1104 - dadmin - CONTOSO - 0x4a5af0 - C:\\Windows\\explorer.exe - S-1-16-8192 - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** - -- 0 - Windows Server 2008, Windows Vista. - -- 1 - Windows Server 2012 R2, Windows 8.1. - - - Added "Process Command Line" field. - -- 2 - Windows 10. - - - **Subject** renamed to **Creator Subject**. - - - Added "**Target Subject**" section. - - - Added "**Mandatory Label**" field. - - - Added "**Creator Process Name**" field. - -***Field Descriptions:*** - -**Creator Subject** \[Value for versions 0 and 1 – **Subject**\]**:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the "create process" operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> [Note] -> A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the "create process" operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject's domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is "NT AUTHORITY". - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: "Win81". - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, "[4624](event-4624.md): An account was successfully logged on." - -**Target Subject** \[Version 2\]**:** - -> [Note] -> This event includes the principal of the process creator, but this is not always sufficient if the target context is different from the creator context. In that situation, the subject specified in the process termination event does not match the subject in the process creation event even though both events refer to the same process ID. Therefore, in addition to including the creator of the process, we will also include the target principal when the creator and target do not share the same logon. - -- **Security ID** \[Type = SID\] \[Version 2\]**:** SID of target account. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> [Note] -> A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\] \[Version 2\]**:** the name of the target account. - -- **Account Domain** \[Type = UnicodeString\] \[Version 2\]**:** target account's domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is "NT AUTHORITY". - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: "Win81". - -- **Logon ID** \[Type = HexInt64\] \[Version 2\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, "[4624](event-4624.md): An account was successfully logged on." - -**Process Information:** - -- **New Process ID** \[Type = Pointer\]: hexadecimal Process ID of the new process. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - -> If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - -- **New Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the new process. - -- **Token Elevation Type** \[Type = UnicodeString\]**:** - - - **%%1936:** Type 1 is a full token with no privileges removed or groups disabled. A full token is only used if User Account Control is disabled or if the user is the built-in Administrator account (for which UAC is disabled by default), service account, or local system account. - - - **%%1937:** Type 2 is an elevated token with no privileges removed or groups disabled. An elevated token is used when User Account Control is enabled and the user chooses to start the program using Run as administrator. An elevated token is also used when an application is configured to always require administrative privilege or to always require maximum privilege, and the user is a member of the Administrators group. - - - **%%1938:** Type 3 is a limited token with administrative privileges removed and administrative groups disabled. The limited token is used when User Account Control is enabled, the application does not require administrative privilege, and the user does not choose to start the program using Run as administrator. - -- **Mandatory Label** \[Version 2\] \[Type = SID\]**:** SID of [integrity label](/windows/win32/secauthz/mandatory-integrity-control) which was assigned to the new process. Can have one of the following values: - -| SID | RID | RID label | Meaning | -|--------------|------------|----------------------------------------------|------------------------| -| S-1-16-0 | 0x00000000 | SECURITY\_MANDATORY\_UNTRUSTED\_RID | Untrusted. | -| S-1-16-4096 | 0x00001000 | SECURITY\_MANDATORY\_LOW\_RID | Low integrity. | -| S-1-16-8192 | 0x00002000 | SECURITY\_MANDATORY\_MEDIUM\_RID | Medium integrity. | -| S-1-16-8448 | 0x00002100 | SECURITY\_MANDATORY\_MEDIUM\_PLUS\_RID | Medium high integrity. | -| S-1-16-12288 | 0X00003000 | SECURITY\_MANDATORY\_HIGH\_RID | High integrity. | -| S-1-16-16384 | 0x00004000 | SECURITY\_MANDATORY\_SYSTEM\_RID | System integrity. | -| S-1-16-20480 | 0x00005000 | SECURITY\_MANDATORY\_PROTECTED\_PROCESS\_RID | Protected process. | - -- **Creator Process ID** \[Type = Pointer\]**:** hexadecimal Process ID of the process which ran the new process. If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - -> You can also correlate this process ID with a process ID in other events, for example, "[4688](event-4688.md): A new process has been created" **Process Information\\New Process ID**. - -- **Creator Process Name** \[Version 2\] \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - -- **Process Command Line** \[Version 1, 2\] \[Type = UnicodeString\]**:** contains the name of executable and arguments which were passed to it. You must enable "Administrative Templates\\System\\Audit Process Creation\\Include command line in process creation events" group policy to include command line in process creation events: - - Group policy illustration - - By default **Process Command Line** field is empty. - -## Security Monitoring Recommendations - -For 4688(S): A new process has been created. - -| **Type of monitoring required** | **Recommendation** | -|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| **High-value accounts**: You might have high-value domain or local accounts for which you need to monitor each action.
Examples of high-value accounts are database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts and so on. | Monitor all events with the **"Creator Subject\\Security ID"** or **"Target Subject\\Security ID"** that corresponds to the high-value account or accounts. | -| **Anomalies or malicious actions**: You might have specific requirements for detecting anomalies or monitoring potential malicious actions. For example, you might need to monitor for use of an account outside of working hours. | When you monitor for anomalies or malicious actions, use the **"Creator Subject\\Security ID"** or **"Target Subject\\Security ID"** (with other information) to monitor how or when a particular account is being used. | -| **Non-active accounts**: You might have non-active, disabled, or guest accounts, or other accounts that should never be used. | Monitor all events with the **"Creator Subject\\Security ID"** or **"Target Subject\\Security ID"** that corresponds to the accounts that should never be used. | -| **Account allowlist**: You might have a specific allowlist of accounts that are the only ones allowed to perform actions corresponding to particular events. | If this event corresponds to an "allowlist-only" action, review the **"Creator Subject\\Security ID"** and **"Target Subject\\Security ID"** for accounts that are outside the allowlist. | -| **Accounts of different types**: You might want to ensure that certain actions are performed only by certain account types, for example, local or domain account, machine or user account, vendor or employee account, and so on. | If this event corresponds to an action you want to monitor for certain account types, review the **"Creator Subject\\Security ID"** or **"Target Subject\\Security ID"** to see whether the account type is as expected. | -| **External accounts**: You might be monitoring accounts from another domain, or "external" accounts that are not allowed to perform certain actions (represented by certain specific events). | Monitor the specific events for the **"Creator Subject\\Security ID"** or **"Target Subject\\Security ID"** corresponding to accounts from another domain or "external" accounts. | -| **Restricted-use computers or devices**: You might have certain computers, machines, or devices on which certain people (accounts) should not typically perform any actions. | Monitor the target **Computer:** (or other target device) for actions performed by the **"Creator Subject\\Security ID"** or **"Target Subject\\Security ID"** that you are concerned about. | -| **Account naming conventions**: Your organization might have specific naming conventions for account names. | Monitor **"Creator Subject\\Security ID"** or **"Target Subject\\Security ID"** for names that don't comply with naming conventions. | - -- If you have a pre-defined "**New** **Process Name**" or **"Creator Process Name**" for the process reported in this event, monitor all events with "**New** **Process Name**" or **"Creator Process Name**" not equal to your defined value. - -- You can monitor to see if "**New** **Process Name**" or **"Creator Process Name**" is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - -- If you have a pre-defined list of restricted substrings or words in process names (for example "**mimikatz**" or "**cain.exe**"), check for these substrings in "**New** **Process Name**" or **"Creator Process Name**." - -- It can be unusual for a process to run using a local account in either **Creator Subject\\Security ID** or in **Target** **Subject\\Security ID**. - -- Monitor for **Token Elevation Type** with value **%%1936** when **Subject\\Security ID** lists a real user account, for example when **Account Name** doesn't contain the $ symbol. Typically this means that UAC is disabled for this account for some reason. - -- Monitor for **Token Elevation Type** with value **%%1937** on standard workstations, when **Subject\\Security ID** lists a real user account, for example when **Account Name** doesn't contain the $ symbol. This means that a user ran a program using administrative privileges. - -- You can also monitor for **Token Elevation Type** with value **%%1937** on standard workstations, when a computer object was used to run the process, but that computer object is not the same computer where the event occurs. - -- If you need to monitor all new processes with a specific Mandatory Label, for example S-1-16-20480 (Protected process), check the "**Mandatory Label**" in this event. diff --git a/windows/security/threat-protection/auditing/event-4689.md b/windows/security/threat-protection/auditing/event-4689.md deleted file mode 100644 index fdda28bf9a..0000000000 --- a/windows/security/threat-protection/auditing/event-4689.md +++ /dev/null @@ -1,120 +0,0 @@ ---- -title: 4689(S) A process has exited. -description: Describes security event 4689(S) A process has exited. This event is generates when a process exits. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4689(S): A process has exited. - - -Event 4689 illustration - -***Subcategory:*** [Audit Process Termination](audit-process-termination.md) - -***Event Description:*** - -This event generates every time a process has exited. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4689 - 0 - 0 - 13313 - 0 - 0x8020000000000000 - - 187030 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x31365 - 0x0 - 0xfb0 - C:\\Windows\\System32\\notepad.exe - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “terminate process” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “terminate process” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the ended/terminated process. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md)(S): A new process has been created” **New Process ID** on this computer. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the executable name of the exited/terminated process. - -- **Exit Status** \[Type = HexInt32\]**:** hexadecimal exit code of exited/terminated process. This exit code is unique for every application, check application documentation for more details. The exit code value for a process reflects the specific convention implemented by the application developer for that process. - -## Security Monitoring Recommendations - -For 4689(S): A process has exited. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If you have a pre-defined “**Process Name**” for the process reported in this event, monitor all events with “**Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**.” - -- If you have a critical processes list for the computer, with the requirement that these processes must always run and not stop, you can monitor **Process Name** field in [4689](event-4689.md) events for these process names. - diff --git a/windows/security/threat-protection/auditing/event-4690.md b/windows/security/threat-protection/auditing/event-4690.md deleted file mode 100644 index 7bb3a0ee1c..0000000000 --- a/windows/security/threat-protection/auditing/event-4690.md +++ /dev/null @@ -1,119 +0,0 @@ ---- -title: 4690(S) An attempt was made to duplicate a handle to an object. -description: Describes security event 4690(S) An attempt was made to duplicate a handle to an object. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4690(S): An attempt was made to duplicate a handle to an object. - - -Event 4690 illustration - -***Subcategory:*** [Audit Handle Manipulation](audit-handle-manipulation.md) - -***Event Description:*** - -This event generates if an attempt was made to duplicate a handle to an object. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4690 - 0 - 0 - 12807 - 0 - 0x8020000000000000 - - 338632 - - - Security - DC01.contoso.local - - -- - S-1-5-18 - DC01$ - CONTOSO - 0x3e7 - 0x438 - 0x674 - 0xd9c - 0x4 - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that made an attempt to duplicate a handle to an object. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that made an attempt to duplicate a handle to an object. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Source Handle Information:** - -- **Source Handle ID** \[Type = Pointer\]: hexadecimal value of a handle which was duplicated. This field can help you correlate this event with other events, for example “4663: An attempt was made to access an object” in [Audit File System](audit-file-system.md), [Audit Kernel Object](audit-kernel-object.md), [Audit Registry](audit-registry.md), [Audit Removable Storage](audit-removable-storage.md) or [Audit SAM](audit-sam.md) subcategories. - -- **Source Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process which opened the **Source Handle ID** before it was duplicated. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -**New Handle Information:** - -- **Target Handle ID** \[Type = Pointer\]: hexadecimal value of the new handle (the copy of **Source Handle ID**). This field can help you correlate this event with other events, for example “4663: An attempt was made to access an object” in [Audit File System](audit-file-system.md), [Audit Kernel Object](audit-kernel-object.md), [Audit Registry](audit-registry.md), [Audit Removable Storage](audit-removable-storage.md) or [Audit SAM](audit-sam.md) subcategories. - -- **Target Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process which opened the **Target Handle ID**. Process ID (PID) is a number used by the operating system to uniquely identify an active process. You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID** field. - -## Security Monitoring Recommendations - -For 4690(S): An attempt was made to duplicate a handle to an object. - -- Typically this event has little to no security relevance and is hard to parse or analyze. There is no recommendation for this event, unless you know exactly what you need to monitor with it. - -- This event can be used to track all actions or operations related to a specific object handle. - diff --git a/windows/security/threat-protection/auditing/event-4691.md b/windows/security/threat-protection/auditing/event-4691.md deleted file mode 100644 index 3d757a2f5d..0000000000 --- a/windows/security/threat-protection/auditing/event-4691.md +++ /dev/null @@ -1,135 +0,0 @@ ---- -title: 4691(S) Indirect access to an object was requested. -description: Describes security event 4691(S) Indirect access to an object was requested. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4691(S): Indirect access to an object was requested. - - -Event 4691 illustration - -***Subcategory:*** [Audit Other Object Access Events](audit-other-object-access-events.md) - -***Event Description:*** - -This event indicates that indirect access to an object was requested. - -These events are generated for [ALPC Ports](/windows/win32/etw/alpc) access request actions. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4691 - 0 - 0 - 12804 - 0 - 0x8020000000000000 - - 344382 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x36509 - ALPC Port - \\Sessions\\2\\Windows\\DwmApiPort - %%4464 - 0x1 - 0xe60 - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested an access to the object. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested an access to the object. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Object**: - -- **Object Type** \[Type = UnicodeString\]: The type of an object for which access was requested. - - The following table contains the list of the most common **Object Types**: - -| Directory | Event | Timer | Device | -|-------------------------|--------------|----------------------|--------------| -| Mutant | Type | File | Token | -| Thread | Section | WindowStation | DebugObject | -| FilterCommunicationPort | EventPair | Driver | IoCompletion | -| Controller | SymbolicLink | WmiGuid | Process | -| Profile | Desktop | KeyedEvent | Adapter | -| Key | WaitablePort | Callback | Semaphore | -| Job | Port | FilterConnectionPort | ALPC Port | - -- **Object Name** \[Type = UnicodeString\]: full path and name of the object for which access was requested. - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process through which the access was requested. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -**Access Request Information:** - -- **Accesses** \[Type = UnicodeString\]: the list of access rights which were requested by **Subject\\Security ID**. These access rights depend on **Object Type**. [Table of file access codes](/windows/security/threat-protection/auditing/event-5145#table-of-file-access-codes) contains information about the most common access rights for file system objects. For information about ALPC ports access rights, use or other informational resources. - -- **Access Mask** \[Type = HexInt32\]: hexadecimal mask for the operation that was requested or performed. For more information about file access rights, see [Table of file access codes](/windows/security/threat-protection/auditing/event-5145#table-of-file-access-codes). For information about ALPC ports access rights, use or other informational resources. - -## Security Monitoring Recommendations - -For 4691(S): Indirect access to an object was requested. - -- Typically this event has little to no security relevance and is hard to parse or analyze. There is no recommendation for this event, unless you know exactly what you need to monitor with ALPC Ports. diff --git a/windows/security/threat-protection/auditing/event-4692.md b/windows/security/threat-protection/auditing/event-4692.md deleted file mode 100644 index bd3ed5f273..0000000000 --- a/windows/security/threat-protection/auditing/event-4692.md +++ /dev/null @@ -1,126 +0,0 @@ ---- -title: 4692(S, F) Backup of data protection master key was attempted. -description: Describes security event 4692(S, F) Backup of data protection master key was attempted. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4692(S, F): Backup of data protection master key was attempted. - - -Event 4692 illustration - -***Subcategory:*** [Audit DPAPI Activity](audit-dpapi-activity.md) - -***Event Description:*** - -This event generates every time that a backup is attempted for the [DPAPI](/previous-versions/ms995355(v=msdn.10)) Master Key. - -When a computer is a member of a domain, DPAPI has a backup mechanism to allow unprotection of the data. When a Master Key is generated, DPAPI communicates with a domain controller. Domain controllers have a domain-wide public/private key pair, associated solely with DPAPI. The local DPAPI client gets the domain controller public key from a domain controller by using a mutually authenticated and privacy protected RPC call. The client encrypts the Master Key with the domain controller public key. It then stores this backup Master Key along with the Master Key protected by the user's password. - -Periodically, a domain-joined machine tries to send an RPC request to a domain controller to back up the user’s master key so that the user can recover secrets in case their password has to be reset. Although the user's keys are stored in the user profile, a domain controller must be contacted to encrypt the master key with a domain recovery key. - -This event also generates every time a new DPAPI Master Key is generated, for example. - -This event generates on domain controllers, member servers, and workstations. - -Failure event generates when a Master Key backup operation fails for some reason. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4692 - 0 - 0 - 13314 - 0 - 0x8020000000000000 - - 176964 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-500 - ladmin - CONTOSO - 0x30c08 - 16cfaea0-dbe3-4d92-9523-d494edb546bc - - 806a0350-aeb1-4c56-91f9-ef16cf759291 - 0x0 - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested backup operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested backup operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Here are some examples of formats: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Key Information:** - -- **Key Identifier** \[Type = UnicodeString\]: unique identifier of a master key which backup was created. The Master Key is used, with some additional data, to generate an actual symmetric session key to encrypt\\decrypt the data using DPAPI. All of user's Master Keys are located in user profile -> %APPDATA%\\Roaming\\Microsoft\\Windows\\Protect\\%SID% folder. The name of every Master Key file is its ID. - -- **Recovery Server** \[Type = UnicodeString\]: the name (typically – DNS name) of the computer that you contacted to back up your Master Key. For domain joined machines, it’s typically a name of a domain controller. This parameter might not be captured in the event, and in that case will be empty. - -- **Recovery Key ID** \[Type = UnicodeString\]**:** unique identifier of a recovery key. The recovery key is generated when a user chooses to create a Password Reset Disk (PRD) from the user's Control Panel or when first Master Key is generated. First, DPAPI generates an RSA public/private key pair, which is the recovery key. In this field, you will see unique Recovery key ID that was used for Master key backup operation. - - For Failure events, this field is typically empty. - -**Status Information:** - -- **Status Code** \[Type = HexInt32\]**:** hexadecimal unique status code of performed operation. For Success events, this field is typically “**0x0**”. To see the meaning of status code you need to convert it to decimal value and us “**net helpmsg STATUS\_CODE**” command to see the description for specific STATUS\_CODE. Here is an example of “net helpmsg” command output for status code 0x3A: - -> \[Net helpmsg 58 illustration](..images/net-helpmsg-58.png) - -## Security Monitoring Recommendations - -For 4692(S, F): Backup of data protection master key was attempted. - -- This event is typically an informational event and it is difficult to detect any malicious activity using this event. It’s mainly used for DPAPI troubleshooting. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4693.md b/windows/security/threat-protection/auditing/event-4693.md deleted file mode 100644 index 68957da33e..0000000000 --- a/windows/security/threat-protection/auditing/event-4693.md +++ /dev/null @@ -1,127 +0,0 @@ ---- -title: 4693(S, F) Recovery of data protection master key was attempted. -description: Describes security event 4693(S, F) Recovery of data protection master key was attempted. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4693(S, F): Recovery of data protection master key was attempted. - - -Event 4693 illustration - -***Subcategory:*** [Audit DPAPI Activity](audit-dpapi-activity.md) - -***Event Description:*** - -This event generates every time that recovery is attempted for a [DPAPI](/previous-versions/ms995355(v=msdn.10)) Master Key. - -While unprotecting data, if DPAPI can't use the Master Key protected by the user's password, it sends the backup Master Key to a domain controller by using a mutually authenticated and privacy protected RPC call. The domain controller then decrypts the Master Key with its private key and sends it back to the client by using the same protected RPC call. This protected RPC call is used to ensure that no one listening on the network can get the Master Key. - -This event generates on domain controllers, member servers, and workstations. - -Failure event generates when a Master Key restore operation fails for some reason. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4693 - 0 - 0 - 13314 - 0 - 0x8020000000000000 - - 175809 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x30d7c - 0445c766-75f0-4de7-82ad-d9d97aad59f6 - 0x5c005c - DC01.contoso.local - - 0x380000 - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “recover” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID can't be resolved, you'll see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it can't ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “recover” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Key Information:** - -- **Key Identifier** \[Type = UnicodeString\]**:** unique identifier of a master key which was recovered. The Master Key is used, with some additional data, to generate an actual symmetric session key to encrypt\\decrypt the data using DPAPI. All of user's Master Keys are located in user profile -> %APPDATA%\\Roaming\\Microsoft\\Windows\\Protect\\%SID% folder. The name of every Master Key file is its ID. - -- **Recovery Server** \[Type = UnicodeString\]: the name (typically – DNS name) of the computer that you contacted to recover your Master Key. For domain joined machines, it’s typically a name of a domain controller. - -> **Note**  In this event Recovery Server field contains information from Recovery Reason field. - -- **Recovery Key ID** \[Type = UnicodeString\]**:** unique identifier of a recovery key. The recovery key is generated when a user chooses to create a Password Reset Disk (PRD) from the user's Control Panel or when first Master Key is generated. First, DPAPI generates an RSA public/private key pair, which is the recovery key. In this field you'll see unique Recovery key ID which was used for Master key recovery operation. This parameter might not be captured in the event, and in that case will be empty. - -- **Recovery Reason** \[Type = HexInt32\]: hexadecimal code of recovery reason. - -> **Note**  In this event Recovery Reason field contains information from Recovery Server field. - -**Status Information:** - -- **Status Code** \[Type = HexInt32\]**:** hexadecimal unique status code. For Success events this field is typically “**0x380000**”. - -## Security Monitoring Recommendations - -For 4693(S, F): Recovery of data protection master key was attempted. - -- This event is typically an informational event and it's difficult to detect any malicious activity using this event. It’s mainly used for DPAPI troubleshooting. - -- For domain joined computers, **Recovery Reason** should typically be a domain controller DNS name. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). diff --git a/windows/security/threat-protection/auditing/event-4694.md b/windows/security/threat-protection/auditing/event-4694.md deleted file mode 100644 index e26a1ff60f..0000000000 --- a/windows/security/threat-protection/auditing/event-4694.md +++ /dev/null @@ -1,63 +0,0 @@ ---- -title: 4694(S, F) Protection of auditable protected data was attempted. -description: Describes security event 4694(S, F) Protection of auditable protected data was attempted. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4694(S, F): Protection of auditable protected data was attempted. - - -This event generates if [DPAPI](/previous-versions/ms995355(v=msdn.10))  [**CryptProtectData**](/windows/win32/api/dpapi/nf-dpapi-cryptprotectdata)() function was used with **CRYPTPROTECT\_AUDIT** flag (dwFlags) enabled. - -There is no example of this event in this document. - -***Subcategory:*** [Audit DPAPI Activity](audit-dpapi-activity.md) - -***Event Schema:*** - -*Protection of auditable protected data was attempted.* - -*Subject:* - -> *Security ID:%1* -> -> *Account Name:%2* -> -> *Account Domain:%3* -> -> *Logon ID:%4* - -*Protected Data:* - -> *Data Description:%6* -> -> *Key Identifier:%5* -> -> *Protected Data Flags:%7* -> -> *Protection Algorithms:%8* - -*Status Information:* - -> *Status Code:%9* - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -- There is no recommendation for this event in this document. - -- This event is typically an informational event and it is difficult to detect any malicious activity using this event. It’s mainly used for DPAPI troubleshooting. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4695.md b/windows/security/threat-protection/auditing/event-4695.md deleted file mode 100644 index a19d09bf9b..0000000000 --- a/windows/security/threat-protection/auditing/event-4695.md +++ /dev/null @@ -1,63 +0,0 @@ ---- -title: 4695(S, F) Unprotection of auditable protected data was attempted. -description: Describes security event 4695(S, F) Unprotection of auditable protected data was attempted. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4695(S, F): Unprotection of auditable protected data was attempted. - - -This event generates if [DPAPI](/previous-versions/ms995355(v=msdn.10)) [CryptUnprotectData](/windows/win32/api/dpapi/nf-dpapi-cryptunprotectdata)() function was used to unprotect “auditable” data that was encrypted using [**CryptProtectData**](/windows/win32/api/dpapi/nf-dpapi-cryptprotectdata)() function with **CRYPTPROTECT\_AUDIT** flag (dwFlags) enabled. - -There is no example of this event in this document. - -***Subcategory:*** [Audit DPAPI Activity](audit-dpapi-activity.md) - -***Event Schema:*** - -*Unprotection of auditable protected data was attempted.* - -*Subject:* - -> *Security ID:%1* -> -> *Account Name:%2* -> -> *Account Domain:%3* -> -> *Logon ID:%4* - -*Protected Data:* - -> *Data Description:%6* -> -> *Key Identifier:%5* -> -> *Protected Data Flags:%7* -> -> *Protection Algorithms:%8* - -*Status Information:* - -> *Status Code:%9* - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -- There is no recommendation for this event in this document. - -- This event is typically an informational event and it is difficult to detect any malicious activity using this event. It’s mainly used for DPAPI troubleshooting. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4696.md b/windows/security/threat-protection/auditing/event-4696.md deleted file mode 100644 index 570606c8de..0000000000 --- a/windows/security/threat-protection/auditing/event-4696.md +++ /dev/null @@ -1,164 +0,0 @@ ---- -title: 4696(S) A primary token was assigned to process. -description: Describes security event 4696(S) A primary token was assigned to process. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4696(S): A primary token was assigned to process. - - -Event 4696 illustration - -***Subcategory:*** [Audit Process Creation](audit-process-creation.md) - -***Event Description:*** - -This event generates every time a process runs using the non-current access token, for example, UAC elevated token, RUN AS different user actions, scheduled task with defined user, services, and so on. - -***IMPORTANT*:** this event is deprecated starting from Windows 7 and Windows 2008 R2. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4696 - 0 - 0 - 13312 - 0 - 0x8020000000000000 - - 561 - - - Security - Win2008.contoso.local - - -- - S-1-5-18 - WIN2008$ - CONTOSO - 0x3e7 - S-1-5-18 - dadmin - CONTOSO - 0x1c8c5 - 0xf40 - C:\\Windows\\System32\\WerFault.exe - 0x698 - C:\\Windows\\System32\\svchost.exe - - - -``` - -***Required Server Roles:*** this event is deprecated starting from Windows 7 and Windows 2008 R2. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “assign token to process” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “assign token to process” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process which started the new process with the new security token. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]: full path and the name of the executable for the process which ran the new process with new security token. - -**Target Process:** - -- **Target Process ID** \[Type = Pointer\]**:** hexadecimal Process ID of the new process with new security token. If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - -> You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Target Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the new process. - -**New Token Information:** - -- **Security ID** \[Type = SID\]**:** SID of account through which the security token will be assigned to the new process. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account through which the security token will be assigned to the new process. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -## Security Monitoring Recommendations - -For 4696(S): A primary token was assigned to process. - -| **Type of monitoring required** | **Recommendation** | -|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| **High-value accounts**: You might have high-value domain or local accounts for which you need to monitor each action.
Examples of high-value accounts are database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts and so on. | Monitor this event with the **“Subject\\Security ID”** or **“New Token Information\\Security ID”** that corresponds to the high-value account or accounts. | -| **Anomalies or malicious actions**: You might have specific requirements for detecting anomalies or monitoring potential malicious actions. For example, you might need to monitor for use of an account outside of working hours. | When you monitor for anomalies or malicious actions, use the **“Subject\\Security ID”** or **“New Token Information\\Security ID”** (with other information) to monitor how or when a particular account is being used. | -| **Non-active accounts**: You might have non-active, disabled, or guest accounts, or other accounts that should never be used. | Monitor this event with the **“Subject\\Security ID”** or **“New Token Information\\Security ID”** that corresponds to the accounts that should never be used. | -| **Account allowlist**: You might have a specific allowlist of accounts that are the only ones allowed to perform actions corresponding to particular events. | If this event corresponds to an “allowlist-only” action, review the **“Subject\\Security ID”** and **“New Token Information\\Security ID”** for accounts that are outside the allowlist. | -| **Accounts of different types**: You might want to ensure that certain actions are performed only by certain account types, for example, local or domain account, machine or user account, vendor or employee account, and so on. | If this event corresponds to an action you want to monitor for certain account types, review the **“Subject\\Security ID”** or **“New Token Information\\Security ID”** to see whether the account type is as expected. | -| **External accounts**: You might be monitoring accounts from another domain, or “external” accounts that are not allowed to perform certain actions (represented by certain specific events). | Monitor this event for the **“Subject\\Security ID”** or **“New Token Information\\Security ID”** corresponding to accounts from another domain or “external” accounts. | -| **Restricted-use computers or devices**: You might have certain computers, machines, or devices on which certain people (accounts) should not typically perform any actions. | Monitor the target **Computer:** (or other target device) for actions performed by the **“Subject\\Security ID”** or **“New Token Information\\Security ID”** that you are concerned about. | -| **Account naming conventions**: Your organization might have specific naming conventions for account names. | Monitor **“Subject\\Security ID”** or **“New Token Information\\Security ID”** for names that don’t comply with naming conventions. | - -- If you have a pre-defined “**Process Name**” or “**Target Process Name**” for the process reported in this event, monitor all events with “**Process Name**” or “**Target Process Name**” not equal to your defined value. - -- You can monitor to see if “**Process Name**” or “**Target Process Name**” is not in a standard folder (for example, not in **System32** or **Program Files**) or is in a restricted folder (for example, **Temporary Internet Files**). - -- If you have a pre-defined list of restricted substrings or words in process names (for example, “**mimikatz**” or “**cain.exe**”), check for these substrings in “**Process Name**” or “**Target Process Name**”. - -- It can be uncommon if process runs using local account. - diff --git a/windows/security/threat-protection/auditing/event-4697.md b/windows/security/threat-protection/auditing/event-4697.md deleted file mode 100644 index 01e5df45ef..0000000000 --- a/windows/security/threat-protection/auditing/event-4697.md +++ /dev/null @@ -1,156 +0,0 @@ ---- -title: 4697(S) A service was installed in the system. -description: Describes security event 4697(S) A service was installed in the system. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4697(S): A service was installed in the system. - - -Event 4697 illustration - -***Subcategory:*** [Audit Security System Extension](audit-security-system-extension.md) - -***Event Description:*** - -This event generates when new service was installed in the system. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4697 - 0 - 0 - 12289 - 0 - 0x8020000000000000 - - 2778 - - - Security - WIN-GG82ULGC9GO.contoso.local - - -- - S-1-5-18 - WIN-GG82ULGC9GO$ - CONTOSO - 0x3e7 - AppHostSvc - %windir%\\system32\\svchost.exe -k apphost - 0x20 - 2 - localSystem - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2016, Windows 10. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that was used to install the service. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that was used to install the service. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Service Information:** - -- **Service Name** \[Type = UnicodeString\]: the name of installed service. - -BrancheCache Properties illustration - -- **Service File Name** \[Type = UnicodeString\]: This is the fully rooted path to the file that the Service Control Manager will execute to start the service. If command-line parameters are specified as part of the image path, those are logged. - - Note that this is the path to the file when the service is created. If the path is changed afterwards, the change is not logged. This would have to be tracked via Process Create events. - -- **Service Type** \[Type = HexInt32\]: Indicates the [type](/dotnet/api/system.serviceprocess.servicetype?cs-lang=csharp&cs-save-lang=1#code-snippet-1) of service that was registered with the Service Control Manager. It can be one of the following: - -| Value | Service Type | Description | -|-------|---------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 0x1 | ​Kernel Driver | ​A Kernel device driver such as a hard disk or other low-level hardware device driver. | -| 0x2 | ​File System Driver | ​A file system driver, which is also a Kernel device driver. | -| 0x8 | ​Recognizer Driver | ​A file system driver used during startup to determine the file systems present on the system. | -| 0x10 | ​Win32 Own Process | ​A Win32 program that can be started by the Service Controller and that obeys the service control protocol. This type of Win32 service runs in a process by itself (this is the most common). | -| 0x20 | ​Win32 Share Process | ​A Win32 service that can share a process with other Win32 services.
(see: | -| 0x110 | ​Interactive Own Process | ​A service that should be run as a standalone process and can communicate with the desktop.
(see: ) | -| 0x120 | Interactive Share Process | A service that can share address space with other services of the same type and can communicate with the desktop. | - -- **Service Start Type** \[Type = HexInt32\]: The service start type can have one of the following values (see: : - -| Value | Service Type | Description | -|-------|---------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------| -| 0 | ​ Boot | ​A device driver started by the system loader. This value is valid only for driver services. | -| 1 | ​ System | ​A device driver started by the IoInitSystem() function. This value is valid only for driver services. | -| 2 | ​ Automatic | ​A service started automatically by the service control manager during system startup. | -| 2 | ​ Automatic Delayed | ​A service started after all auto-start services have started, plus a delay. Delayed Auto Start services are started one at a time in a serial fashion. | -| 3 | ​ Manual | ​Manual start. A service started by the service control manager when a process calls the StartService function. | -| 4 | ​ Disabled | ​A service that cannot be started. Attempts to start the service result in the error code ERROR\_SERVICE\_DISABLED. | - -Most services installed are configured to **Auto Load**, so that they start automatically after Services.exe process is started. - -- **Service Account** \[Type = UnicodeString\]: The security context that the service will run as when started. Note that this is what was configured when the service was installed, if the account is changed later that is not logged. - - The service account parameter is only populated if the service type is a "Win32 Own Process" or "Win32 Share Process" (displayed as "User Mode Service."). Kernel drivers do not have a service account name logged. - - If a service (Win32 Own/Share process) is installed but no account is supplied, then LocalSystem is used. - - The token performing the logon is inspected, and if it has a SID then that SID value is populated in the event (in the System/Security node), if not, then it is blank. - -## Security Monitoring Recommendations - -For 4697(S): A service was installed in the system. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- We recommend monitoring for this event, especially on high value assets or computers, because a new service installation should be planned and expected. Unexpected service installation should trigger an alert. - -- Monitor for all events where **“Service File Name”** is not located in **%windir%** or **“Program Files/Program Files (x86)”** folders. Typically new services are located in these folders. - - - -- Report all “**Service Type**” equals “**0x1**”, “**0x2**” or “**0x8**”. These service types start first and have almost unlimited access to the operating system from the beginning of operating system startup. These types are very rarely installed. - -- Report all “**Service Start Type**” equals “**0**” or “**1**”. These service start types are used by drivers, which have unlimited access to the operating system. - -- Report all “**Service Start Type**” equals “**4**”. It is not common to install a new service in the **Disabled** state. - -- Report all “**Service Account**” not equals “**localSystem**”, “**localService**” or “**networkService**” to identify services which are running under a user account. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4698.md b/windows/security/threat-protection/auditing/event-4698.md deleted file mode 100644 index e270f187af..0000000000 --- a/windows/security/threat-protection/auditing/event-4698.md +++ /dev/null @@ -1,121 +0,0 @@ ---- -title: 4698(S) A scheduled task was created. -description: Describes security event 4698(S) A scheduled task was created. This event is generated when a scheduled task is created. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4698(S): A scheduled task was created. - - -Event 4698 illustration - -***Subcategory:*** [Audit Other Object Access Events](audit-other-object-access-events.md) - -***Event Description:*** - -This event generates every time a new scheduled task is created. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4698 - 0 - 0 - 12804 - 0 - 0x8020000000000000 - - 344740 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x364eb - \\Microsoft\\StartListener - 2015-09-22T19:03:06.9258653 CONTOSO\\dadmin LeastPrivilege CONTOSO\\dadmin InteractiveToken IgnoreNew true true true false false true false true true false false false P3D 7 C:\\Documents\\listener.exe - - - -``` ->[!NOTE] -> Windows 10 Versions 1903 and above augments the event with these additional properties: -> Event Version 1. -> ***Event XML:*** ->``` -> 5066549580796854 -> 3932 -> 5304 -> 0 -> DESKTOP-Name - - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “create scheduled task” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “create scheduled task” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Task Information**: - -- **Task Name** \[Type = UnicodeString\]**:** new scheduled task name. The format of this value is “\\task\_path\\task\_name”, where task\_path is a path in Microsoft **Task Scheduler** tree starting from “**Task Scheduler Library**” node: - -Task Scheduler Library illustration - -- **Task Content** \[Type = UnicodeString\]: the [XML](/previous-versions/aa286548(v=msdn.10)) content of the new task. For more information about the XML format for scheduled tasks, see “[XML Task Definition Format](/openspecs/windows_protocols/ms-tsch/0d6383e4-de92-43e7-b0bb-a60cfa36379f).” - -## Security Monitoring Recommendations - -For 4698(S): A scheduled task was created. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- We recommend monitoring all scheduled task creation events, especially on critical computers or devices. Scheduled tasks are often used by malware to stay in the system after reboot or for other malicious actions. - -- Monitor for new tasks located in the **Task Scheduler Library** root node, that is, where **Task Name** looks like ‘\\TASK\_NAME’. Scheduled tasks that are created manually or by malware are often located in the **Task Scheduler Library** root node. - -- In the new task, if the **Task Content:** XML contains **<LogonType>Password</LogonType>** value, trigger an alert. In this case, the password for the account that will be used to run the scheduled task will be saved in Credential Manager in cleartext format, and can be extracted using Administrative privileges. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4699.md b/windows/security/threat-protection/auditing/event-4699.md deleted file mode 100644 index ea206aba73..0000000000 --- a/windows/security/threat-protection/auditing/event-4699.md +++ /dev/null @@ -1,121 +0,0 @@ ---- -title: 4699(S) A scheduled task was deleted. -description: Describes security event 4699(S) A scheduled task was deleted. This event is generated every time a scheduled task is deleted. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4699(S): A scheduled task was deleted. - - -Event 4699 illustration - -***Subcategory:*** [Audit Other Object Access Events](audit-other-object-access-events.md) - -***Event Description:*** - -This event generates every time a scheduled task was deleted. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4699 - 0 - 0 - 12804 - 0 - 0x8020000000000000 - - 344827 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x364eb - \\Microsoft\\My - 2015-08-25T13:56:10.5315552 CONTOSO\\dadmin LeastPrivilege CONTOSO\\dadmin Password IgnoreNew false true false false false true false true true false false false PT0S 7 C:\\Windows\\notepad.exe - - - -``` ->[!NOTE] -> Windows 10 Versions 1903 and above augments the event with these additional properties: -> Event Version 1. -> ***Event XML:*** ->``` -> 5066549580796854 -> 3932 -> 5304 -> 0 -> DESKTOP-Name - - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “delete scheduled task” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “delete scheduled task” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Task Information**: - -- **Task Name** \[Type = UnicodeString\]**:** deleted scheduled task name. The format of this value is “\\task\_path\\task\_name”, where task\_path is a path in Microsoft **Task Scheduler** tree starting from “**Task Scheduler Library**” node: - -Task Scheduler Library illustration - -- **Task Content** \[Type = UnicodeString\]: the [XML](/previous-versions/aa286548(v=msdn.10)) of the deleted task. Here “[XML Task Definition Format](/openspecs/windows_protocols/ms-tsch/0d6383e4-de92-43e7-b0bb-a60cfa36379f)” you can read more about the XML format for scheduled tasks. - -## Security Monitoring Recommendations - -For 4699(S): A scheduled task was deleted. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- We recommend monitoring all scheduled task deletion events, especially on critical computers or devices. Scheduled tasks are often used by malware to stay in the system after reboot or for other malicious actions. However, this event does not often happen. - -- Monitor for deleted tasks located in the **Task Scheduler Library** root node, that is, where **Task Name** looks like ‘\\TASK\_NAME’. Scheduled tasks that are created manually or by malware are often located in the **Task Scheduler Library** root node. Deletion of such tasks can be a sign of malicious activity. - -- If a highly critical scheduled task exists on some computers, and it should never be deleted, monitor for [4699](event-4699.md) events with the corresponding **Task Name**. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4700.md b/windows/security/threat-protection/auditing/event-4700.md deleted file mode 100644 index aae8e027d4..0000000000 --- a/windows/security/threat-protection/auditing/event-4700.md +++ /dev/null @@ -1,117 +0,0 @@ ---- -title: 4700(S) A scheduled task was enabled. -description: Describes security event 4700(S) A scheduled task was enabled. This event is generated every time a scheduled task is enabled. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4700(S): A scheduled task was enabled. - - -Event 4700 illustration - -***Subcategory:*** [Audit Other Object Access Events](audit-other-object-access-events.md) - -***Event Description:*** - -This event generates every time a scheduled task is enabled. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4700 - 0 - 0 - 12804 - 0 - 0x8020000000000000 - - 344861 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x364eb - \\Microsoft\\StartListener - 2015-09-22T19:03:06.9258653 CONTOSO\\dadmin LeastPrivilege CONTOSO\\dadmin InteractiveToken IgnoreNew true true true false false true false true true false false false P3D 7 C:\\Documents\\listener.exe - - - -``` ->[!NOTE] -> Windows 10 Versions 1903 and above augments the event with these additional properties: -> Event Version 1. -> ***Event XML:*** ->``` -> 5066549580796854 -> 3932 -> 5304 -> 0 -> DESKTOP-Name - - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “enable scheduled task” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “enable scheduled task” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Task Information**: - -- **Task Name** \[Type = UnicodeString\]**:** enabled scheduled task name. The format of this value is “\\task\_path\\task\_name”, where task\_path is a path in Microsoft **Task Scheduler** tree starting from “**Task Scheduler Library**” node: - -Task Scheduler Library illustration - -- **Task Content** \[Type = UnicodeString\]: the [XML](/previous-versions/aa286548(v=msdn.10)) of the enabled task. Here “[XML Task Definition Format](/openspecs/windows_protocols/ms-tsch/0d6383e4-de92-43e7-b0bb-a60cfa36379f)” you can read more about the XML format for scheduled tasks. - -## Security Monitoring Recommendations - -For 4700(S): A scheduled task was enabled. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If a highly critical scheduled task exists on some computers, and for some reason it should never be enabled, monitor for [4700](event-4700.md) events with the corresponding **Task Name**. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4701.md b/windows/security/threat-protection/auditing/event-4701.md deleted file mode 100644 index f47c7a3379..0000000000 --- a/windows/security/threat-protection/auditing/event-4701.md +++ /dev/null @@ -1,117 +0,0 @@ ---- -title: 4701(S) A scheduled task was disabled. -description: Describes security event 4701(S) A scheduled task was disabled. This event is generated every time a scheduled task is disabled. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4701(S): A scheduled task was disabled. - - -Event 4701 illustration - -***Subcategory:*** [Audit Other Object Access Events](audit-other-object-access-events.md) - -***Event Description:*** - -This event generates every time a scheduled task is disabled. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4701 - 0 - 0 - 12804 - 0 - 0x8020000000000000 - - 344860 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x364eb - \\Microsoft\\StartListener - 2015-09-22T19:03:06.9258653 CONTOSO\\dadmin LeastPrivilege CONTOSO\\dadmin InteractiveToken IgnoreNew true true true false false true false true false false false false P3D 7 C:\\Documents\\listener.exe - - - -``` ->[!NOTE] -> Windows 10 Versions 1903 and above augments the event with these additional properties: -> Event Version 1. -> ***Event XML:*** ->``` -> 5066549580796854 -> 3932 -> 5304 -> 0 -> DESKTOP-Name - - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “enable scheduled task” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “enable scheduled task” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Task Information**: - -- **Task Name** \[Type = UnicodeString\]**:** disabled scheduled task name. The format of this value is “\\task\_path\\task\_name”, where task\_path is a path in Microsoft **Task Scheduler** tree starting from “**Task Scheduler Library**” node: - -Task Scheduler Library illustration - -- **Task Content** \[Type = UnicodeString\]: the [XML](/previous-versions/aa286548(v=msdn.10)) of the disabled task. Here “[XML Task Definition Format](/openspecs/windows_protocols/ms-tsch/0d6383e4-de92-43e7-b0bb-a60cfa36379f)” you can read more about the XML format for scheduled tasks. - -## Security Monitoring Recommendations - -For 4701(S): A scheduled task was disabled. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- If a highly critical scheduled task exists on some computers, and it should never be disabled, monitor for [4701](event-4701.md) events with the corresponding **Task Name**. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4702.md b/windows/security/threat-protection/auditing/event-4702.md deleted file mode 100644 index 4bb86d53b2..0000000000 --- a/windows/security/threat-protection/auditing/event-4702.md +++ /dev/null @@ -1,119 +0,0 @@ ---- -title: 4702(S) A scheduled task was updated. -description: Describes security event 4702(S) A scheduled task was updated. This event is generated when a scheduled task is updated/changed. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4702(S): A scheduled task was updated. - - -Event 4702 illustration - -***Subcategory:*** [Audit Other Object Access Events](audit-other-object-access-events.md) - -***Event Description:*** - -This event generates every time scheduled task was updated/changed. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4702 - 0 - 0 - 12804 - 0 - 0x8020000000000000 - - 344863 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x364eb - \\Microsoft\\StartListener - 2015-09-22T19:03:06.9258653 CONTOSO\\dadmin HighestAvailable CONTOSO\\dadmin InteractiveToken IgnoreNew true true true false false true false true true false false false P3D 7 C:\\Documents\\listener.exe - - - -``` ->[!NOTE] -> Windows 10 Versions 1903 and above augments the event with these additional properties: -> Event Version 1. -> ***Event XML:*** ->``` -> 5066549580796854 -> 3932 -> 5304 -> 0 -> DESKTOP-Name - - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “change/update scheduled task” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “change/update scheduled task” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Task Information**: - -- **Task Name** \[Type = UnicodeString\]**:** updated/changed scheduled task name. The format of this value is “\\task\_path\\task\_name”, where task\_path is a path in Microsoft **Task Scheduler** tree starting from “**Task Scheduler Library**” node: - -Task Scheduler Library illustration - -- **Task New Content** \[Type = UnicodeString\]: the new [XML](/previous-versions/aa286548(v=msdn.10)) for the updated task. Here “[XML Task Definition Format](/openspecs/windows_protocols/ms-tsch/0d6383e4-de92-43e7-b0bb-a60cfa36379f)” you can read more about the XML format for scheduled tasks. - -## Security Monitoring Recommendations - -For 4702(S): A scheduled task was updated. - -> **Important**  For this event, also see [Appendix A: Security monitoring recommendations for many audit events](appendix-a-security-monitoring-recommendations-for-many-audit-events.md). - -- Monitor for updated scheduled tasks located in the **Task Scheduler Library** root node, that is, where **Task Name** looks like ‘\\TASK\_NAME’. Scheduled tasks that are created manually or by malware are often located in the **Task Scheduler Library** root node. - -- In the updated scheduled task, if the **Task Content:** XML contains **<LogonType>Password</LogonType>** value, trigger an alert. In this case, the password for the account that will be used to run the scheduled task will be saved in Credential Manager in cleartext format, and can be extracted using Administrative privileges. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4703.md b/windows/security/threat-protection/auditing/event-4703.md deleted file mode 100644 index 0abe8a8e60..0000000000 --- a/windows/security/threat-protection/auditing/event-4703.md +++ /dev/null @@ -1,198 +0,0 @@ ---- -title: 4703(S) A user right was adjusted. -description: Describes security event 4703(S) A user right was adjusted. This event is generated when token privileges are enabled or disabled for a specific account. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4703(S): A user right was adjusted. - - -Event 4703 illustration - -***Subcategory:*** [Audit Authorization Policy Change](audit-authorization-policy-change.md) - -***Event Description:*** - -This event generates when [token privileges](/windows/win32/secauthz/enabling-and-disabling-privileges-in-c--) were enabled or disabled for a specific account’s token. As of Windows 10, event 4703 is also logged by applications or services that dynamically adjust token privileges. An example of such an application is Microsoft Configuration Manager, which makes WMI queries at recurring intervals and quickly generates a large number of 4703 events (with the WMI activity listed as coming from svchost.exe). If you are using an application or system service that makes changes to system privileges through the AdjustPrivilegesToken API, you might need to disable Success auditing for this subcategory (Audit Authorization Policy Change), or work with a very high volume of event 4703. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -Token privileges provide the ability to take certain system-level actions that you only need to do at particular moments. For example, anybody can restart a computer, but the operating system doesn’t enable that privilege by default. Instead, the privilege is enabled when you click **Shutdown**. You can check the current state of the user’s token privileges using the **whoami /priv** command: - -Whoami privilege list illustration - -
- -***Event XML:*** -``` -- -- - - 4703 - 0 - 0 - 13570 - 0 - 0x8020000000000000 - - 5245 - - - Security - WIN-GG82ULGC9GO.contoso.local - - -- - S-1-5-18 - WIN-GG82ULGC9GO$ - CONTOSO - 0x3e7 - S-1-5-18 - WIN-GG82ULGC9GO$ - CONTOSO - 0x3e7 - C:\\Windows\\System32\\svchost.exe - 0x270 - SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege SeSecurityPrivilege SeTakeOwnershipPrivilege SeLoadDriverPrivilege SeSystemtimePrivilege SeBackupPrivilege SeRestorePrivilege SeShutdownPrivilege SeSystemEnvironmentPrivilege SeUndockPrivilege SeManageVolumePrivilege - - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2016, Windows 10. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “enable” or “disable” operation for **Target Account** privileges. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “enable” or “disable” operation for **Target Account** privileges. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Target Account:** - -- **Security ID** \[Type = SID\]**:** SID of account for which privileges were enabled or disabled. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account for which privileges were enabled or disabled. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Process Information:** - -- **Process ID** \[Type = Pointer\]: hexadecimal Process ID of the process that enabled or disabled token privileges. Process ID (PID) is a number used by the operating system to uniquely identify an active process. To see the PID for a specific process you can, for example, use Task Manager (Details tab, PID column): - - Task manager illustration - - If you convert the hexadecimal value to decimal, you can compare it to the values in Task Manager. - - You can also correlate this process ID with a process ID in other events, for example, “[4688](event-4688.md): A new process has been created” **Process Information\\New Process ID**. - -- **Process Name** \[Type = UnicodeString\]**:** full path and the name of the executable for the process. - - - -- **Enabled Privileges** \[Type = UnicodeString\]**:** the list of enabled user rights. This event generates only for *user* rights, not logon rights. Here is the list of possible user rights: - -| Privilege Name | User Right Group Policy Name | Description | -|---------------------------------|----------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| SeAssignPrimaryTokenPrivilege | Replace a process-level token | Required to assign the [*primary token*](/windows/win32/secgloss/p-gly#_security_primary_token_gly) of a process.
With this privilege, the user can initiate a process to replace the default token associated with a started subprocess. | -| SeAuditPrivilege | Generate security audits | With this privilege, the user can add entries to the security log. | -| SeBackupPrivilege | Back up files and directories | - Required to perform backup operations.
With this privilege, the user can bypass file and directory, registry, and other persistent object permissions for the purposes of backing up the system.
This privilege causes the system to grant all read access control to any file, regardless of the [*access control list*](/windows/win32/secgloss/a-gly#_security_access_control_list_gly) (ACL) specified for the file. Any access request other than read is still evaluated with the ACL. The following access rights are granted if this privilege is held:
READ\_CONTROL
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_READ
FILE\_TRAVERSE | -| SeChangeNotifyPrivilege | Bypass traverse checking | Required to receive notifications of changes to files or directories. This privilege also causes the system to skip all traversal access checks.
With this privilege, the user can traverse directory trees even though the user may not have permissions on the traversed directory. This privilege does not allow the user to list the contents of a directory, only to traverse directories. | -| SeCreateGlobalPrivilege | Create global objects | Required to create named file mapping objects in the global namespace during Terminal Services sessions. | -| SeCreatePagefilePrivilege | Create a pagefile | With this privilege, the user can create and change the size of a pagefile. | -| SeCreatePermanentPrivilege | Create permanent shared objects | Required to create a permanent object.
This privilege is useful to kernel-mode components that extend the object namespace. Components that are running in kernel mode already have this privilege inherently; it is not necessary to assign them the privilege. | -| SeCreateSymbolicLinkPrivilege | Create symbolic links | Required to create a symbolic link. | -| SeCreateTokenPrivilege | Create a token object | Allows a process to create a token which it can then use to get access to any local resources when the process uses NtCreateToken() or other token-creation APIs.
When a process requires this privilege, we recommend using the LocalSystem account (which already includes the privilege), rather than creating a separate user account and assigning this privilege to it. | -| SeDebugPrivilege | Debug programs | Required to debug and adjust the memory of a process owned by another account.
With this privilege, the user can attach a debugger to any process or to the kernel. Developers who are debugging their own applications do not need this user right. Developers who are debugging new system components need this user right. This user right provides complete access to sensitive and critical operating system components. | -| SeEnableDelegationPrivilege | Enable computer and user accounts to be trusted for delegation | Required to mark user and computer accounts as trusted for delegation.
With this privilege, the user can set the **Trusted for Deleg**ation setting on a user or computer object.
The user or object that is granted this privilege must have write access to the account control flags on the user or computer object. A server process running on a computer (or under a user context) that is trusted for delegation can access resources on another computer using the delegated credentials of a client, as long as the account of the client does not have the **Account cannot be delegated** account control flag set. | -| SeImpersonatePrivilege | Impersonate a client after authentication | With this privilege, the user can impersonate other accounts. | -| SeIncreaseBasePriorityPrivilege | Increase scheduling priority | Required to increase the base priority of a process.
With this privilege, the user can use a process with Write property access to another process to increase the execution priority assigned to the other process. A user with this privilege can change the scheduling priority of a process through the Task Manager user interface. | -| SeIncreaseQuotaPrivilege | Adjust memory quotas for a process | Required to increase the quota assigned to a process.
With this privilege, the user can change the maximum memory that can be consumed by a process. | -| SeIncreaseWorkingSetPrivilege | Increase a process working set | Required to allocate more memory for applications that run in the context of users. | -| SeLoadDriverPrivilege | Load and unload device drivers | Required to load or unload a device driver.
With this privilege, the user can dynamically load and unload device drivers or other code in to kernel mode. This user right does not apply to Plug and Play device drivers. | -| SeLockMemoryPrivilege | Lock pages in memory | Required to lock physical pages in memory.
With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| SeMachineAccountPrivilege | Add workstations to domain | With this privilege, the user can create a computer account.
This privilege is valid only on domain controllers. | -| SeManageVolumePrivilege | Perform volume maintenance tasks | Required to run maintenance tasks on a volume, such as remote defragmentation. | -| SeProfileSingleProcessPrivilege | Profile single process | Required to gather profiling information for a single process.
With this privilege, the user can use performance monitoring tools to monitor the performance of non-system processes. | -| SeRelabelPrivilege | Modify an object label | Required to modify the mandatory integrity level of an object. | -| SeRemoteShutdownPrivilege | Force shutdown from a remote system | Required to shut down a system using a network request. | -| SeRestorePrivilege | Restore files and directories | Required to perform restore operations. This privilege causes the system to grant all write access control to any file, regardless of the ACL specified for the file. Any access request other than write is still evaluated with the ACL. Additionally, this privilege enables you to set any valid user or group SID as the owner of a file. The following access rights are granted if this privilege is held:
WRITE\_DAC
WRITE\_OWNER
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_WRITE
FILE\_ADD\_FILE
FILE\_ADD\_SUBDIRECTORY
DELETE
With this privilege, the user can bypass file, directory, registry, and other persistent objects permissions when restoring backed up files and directories and determines which users can set any valid security principal as the owner of an object. | -| SeSecurityPrivilege | Manage auditing and security log | Required to perform a number of security-related functions, such as controlling and viewing audit events in security event log.
With this privilege, the user can specify object access auditing options for individual resources, such as files, Active Directory objects, and registry keys.
A user with this privilege can also view and clear the security log. | -| SeShutdownPrivilege | Shut down the system | Required to shut down a local system. | -| SeSyncAgentPrivilege | Synchronize directory service data | This privilege enables the holder to read all objects and properties in the directory, regardless of the protection on the objects and properties. By default, it is assigned to the Administrator and LocalSystem accounts on domain controllers.
With this privilege, the user can synchronize all directory service data. This is also known as Active Directory synchronization. | -| SeSystemEnvironmentPrivilege | Modify firmware environment values | Required to modify the nonvolatile RAM of systems that use this type of memory to store configuration information. | -| SeSystemProfilePrivilege | Profile system performance | Required to gather profiling information for the entire system.
With this privilege, the user can use performance monitoring tools to monitor the performance of system processes. | -| SeSystemtimePrivilege | Change the system time | Required to modify the system time.
With this privilege, the user can change the time and date on the internal clock of the computer. Users that are assigned this user right can affect the appearance of event logs. If the system time is changed, events that are logged will reflect this new time, not the actual time that the events occurred. | -| SeTakeOwnershipPrivilege | Take ownership of files or other objects | Required to take ownership of an object without being granted discretionary access. This privilege allows the owner value to be set only to those values that the holder may legitimately assign as the owner of an object.
With this privilege, the user can take ownership of any securable object in the system, including Active Directory objects, files and folders, printers, registry keys, processes, and threads. | -| SeTcbPrivilege | Act as part of the operating system | This privilege identifies its holder as part of the trusted computer base.
This user right allows a process to impersonate any user without authentication. The process can therefore gain access to the same local resources as that user. | -| SeTimeZonePrivilege | Change the time zone | Required to adjust the time zone associated with the computer's internal clock. | -| SeTrustedCredManAccessPrivilege | Access Credential Manager as a trusted caller | Required to access Credential Manager as a trusted caller. | -| SeUndockPrivilege | Remove computer from docking station | Required to undock a laptop.
With this privilege, the user can undock a portable computer from its docking station without logging on. | -| SeUnsolicitedInputPrivilege | Not applicable | Required to read unsolicited input from a [*terminal*](/windows/win32/secgloss/t-gly#_security_terminal_gly) device. | - -**Disabled Privileges** \[Type = UnicodeString\]**:** the list of disabled user rights. See possible values in the table above. - -## Security Monitoring Recommendations - -For 4703(S): A user right was adjusted. - -As of Windows 10, event 4703 is generated by applications or services that dynamically adjust token privileges. An example of such an application is Microsoft Configuration Manager, which makes WMI queries at recurring intervals and quickly generates a large number of 4703 events (with the WMI activity listed as coming from svchost.exe). If you are using an application or system service that makes changes to system privileges through the AdjustPrivilegesToken API, you might need to disable Success auditing for this subcategory, [Audit Authorization Policy Change](audit-authorization-policy-change.md), or work with a very high volume of event 4703. - -Otherwise, see the recommendations in the following table. - -| **Type of monitoring required** | **Recommendation** | -|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| **High-value accounts**: You might have high-value domain or local accounts for which you need to monitor each action.
Examples of high-value accounts are database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts and so on. | Monitor this event with the **“Subject\\Security ID”** that corresponds to the high-value account or accounts. | -| **Anomalies or malicious actions**: You might have specific requirements for detecting anomalies or monitoring potential malicious actions. For example, you might need to monitor for use of an account outside of working hours. | When you monitor for anomalies or malicious actions, use the **“Subject\\Security ID”** (with other information) to monitor how or when a particular account is being used. | -| **Non-active accounts**: You might have non-active, disabled, or guest accounts, or other accounts that should never be used. | Monitor this event with the **“Subject\\Security ID”** or “**Target Account\\Security ID**” that correspond to the accounts that should never be used. | -| **Account allowlist**: You might have a specific allowlist of accounts that are the only ones allowed to perform actions corresponding to particular events. | If this event corresponds to an “allowlist-only” action, review the **“Subject\\Security ID”** for accounts that are outside the allowlist. Also check the “**Target Account\\Security ID**” and **“Enabled Privileges”** to see what was enabled. | -| **Accounts of different types**: You might want to ensure that certain actions are performed only by certain account types, for example, local or domain account, machine or user account, vendor or employee account, and so on. | If this event corresponds to an action you want to monitor for certain account types, review the **“Subject\\Security ID”** to see whether the account type is as expected. | -| **External accounts**: You might be monitoring accounts from another domain, or “external” accounts that are not allowed to perform certain actions (represented by certain specific events). | Monitor this event for the **“Subject\\Account Domain”** corresponding to accounts from another domain or “external” accounts. | -| **Restricted-use computers or devices**: You might have certain computers, machines, or devices on which certain people (accounts) should perform only limited actions, or no actions at all. | Monitor the target **Computer:** (or other target device) for actions performed by the **“Subject\\Security ID”** that you are concerned about.
Also check **“Target Account\\Security ID”** to see whether the change in privileges should be made on that computer for that account. | -| **User rights that should be restricted or monitored**: You might have a list of user rights that you want to restrict or monitor. | Monitor this event and compare the **“Enabled Privileges”** to your list of user rights. Trigger an alert for user rights that should not be enabled, especially on high-value servers or other computers.
For example, you might have **SeDebugPrivilege** on a list of user rights to be restricted. | -| **Account naming conventions**: Your organization might have specific naming conventions for account names. | Monitor “**Subject\\Account Name”** for names that don’t comply with naming conventions. | \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4704.md b/windows/security/threat-protection/auditing/event-4704.md deleted file mode 100644 index 9d80b0b5ba..0000000000 --- a/windows/security/threat-protection/auditing/event-4704.md +++ /dev/null @@ -1,156 +0,0 @@ ---- -title: 4704(S) A user right was assigned. -description: Describes security event 4704(S) A user right was assigned. This event is generated when a user right is assigned to an account. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4704(S): A user right was assigned. - - -Event 4704 illustration - -***Subcategory:*** [Audit Authorization Policy Change](audit-authorization-policy-change.md) - -***Event Description:*** - -This event generates every time local user right policy is changed and user right was assigned to an account. - -You will see unique event for every user. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4704 - 0 - 0 - 13570 - 0 - 0x8020000000000000 - - 1049866 - - - Security - DC01.contoso.local - - -- - S-1-5-18 - DC01$ - CONTOSO - 0x3e7 - S-1-5-21-3457937927-2839227994-823803824-1104 - SeAuditPrivilege SeIncreaseWorkingSetPrivilege - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that made a change to local user right policy. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that made a change to local user right policy. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Target Account:** - -- **Account Name** \[Type = SID\]: the SID of security principal for which user rights were assigned. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -**New Right:** - -- **User Right** \[Type = UnicodeString\]: the list of assigned user rights. This event generates only for *user* rights, not logon rights. Here is the list of possible user rights: - -| Privilege Name | User Right Group Policy Name | Description | -|---------------------------------|----------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| SeAssignPrimaryTokenPrivilege | Replace a process-level token | Required to assign the [*primary token*](/windows/win32/secgloss/p-gly#_security_primary_token_gly) of a process.
With this privilege, the user can initiate a process to replace the default token associated with a started subprocess. | -| SeAuditPrivilege | Generate security audits | With this privilege, the user can add entries to the security log. | -| SeBackupPrivilege | Back up files and directories | - Required to perform backup operations.
With this privilege, the user can bypass file and directory, registry, and other persistent object permissions for the purposes of backing up the system.
This privilege causes the system to grant all read access control to any file, regardless of the [*access control list*](/windows/win32/secgloss/a-gly#_security_access_control_list_gly) (ACL) specified for the file. Any access request other than read is still evaluated with the ACL. The following access rights are granted if this privilege is held:
READ\_CONTROL
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_READ
FILE\_TRAVERSE | -| SeChangeNotifyPrivilege | Bypass traverse checking | Required to receive notifications of changes to files or directories. This privilege also causes the system to skip all traversal access checks.
With this privilege, the user can traverse directory trees even though the user may not have permissions on the traversed directory. This privilege does not allow the user to list the contents of a directory, only to traverse directories. | -| SeCreateGlobalPrivilege | Create global objects | Required to create named file mapping objects in the global namespace during Terminal Services sessions. | -| SeCreatePagefilePrivilege | Create a pagefile | With this privilege, the user can create and change the size of a pagefile. | -| SeCreatePermanentPrivilege | Create permanent shared objects | Required to create a permanent object.
This privilege is useful to kernel-mode components that extend the object namespace. Components that are running in kernel mode already have this privilege inherently; it is not necessary to assign them the privilege. | -| SeCreateSymbolicLinkPrivilege | Create symbolic links | Required to create a symbolic link. | -| SeCreateTokenPrivilege | Create a token object | Allows a process to create a token which it can then use to get access to any local resources when the process uses NtCreateToken() or other token-creation APIs.
When a process requires this privilege, we recommend using the LocalSystem account (which already includes the privilege), rather than creating a separate user account and assigning this privilege to it. | -| SeDebugPrivilege | Debug programs | Required to debug and adjust the memory of a process owned by another account.
With this privilege, the user can attach a debugger to any process or to the kernel. Developers who are debugging their own applications do not need this user right. Developers who are debugging new system components need this user right. This user right provides complete access to sensitive and critical operating system components. | -| SeEnableDelegationPrivilege | Enable computer and user accounts to be trusted for delegation | Required to mark user and computer accounts as trusted for delegation.
With this privilege, the user can set the **Trusted for Deleg**ation setting on a user or computer object.
The user or object that is granted this privilege must have write access to the account control flags on the user or computer object. A server process running on a computer (or under a user context) that is trusted for delegation can access resources on another computer using the delegated credentials of a client, as long as the account of the client does not have the **Account cannot be delegated** account control flag set. | -| SeImpersonatePrivilege | Impersonate a client after authentication | With this privilege, the user can impersonate other accounts. | -| SeIncreaseBasePriorityPrivilege | Increase scheduling priority | Required to increase the base priority of a process.
With this privilege, the user can use a process with Write property access to another process to increase the execution priority assigned to the other process. A user with this privilege can change the scheduling priority of a process through the Task Manager user interface. | -| SeIncreaseQuotaPrivilege | Adjust memory quotas for a process | Required to increase the quota assigned to a process.
With this privilege, the user can change the maximum memory that can be consumed by a process. | -| SeIncreaseWorkingSetPrivilege | Increase a process working set | Required to allocate more memory for applications that run in the context of users. | -| SeLoadDriverPrivilege | Load and unload device drivers | Required to load or unload a device driver.
With this privilege, the user can dynamically load and unload device drivers or other code in to kernel mode. This user right does not apply to Plug and Play device drivers. | -| SeLockMemoryPrivilege | Lock pages in memory | Required to lock physical pages in memory.
With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| SeMachineAccountPrivilege | Add workstations to domain | With this privilege, the user can create a computer account.
This privilege is valid only on domain controllers. | -| SeManageVolumePrivilege | Perform volume maintenance tasks | Required to run maintenance tasks on a volume, such as remote defragmentation. | -| SeProfileSingleProcessPrivilege | Profile single process | Required to gather profiling information for a single process.
With this privilege, the user can use performance monitoring tools to monitor the performance of non-system processes. | -| SeRelabelPrivilege | Modify an object label | Required to modify the mandatory integrity level of an object. | -| SeRemoteShutdownPrivilege | Force shutdown from a remote system | Required to shut down a system using a network request. | -| SeRestorePrivilege | Restore files and directories | Required to perform restore operations. This privilege causes the system to grant all write access control to any file, regardless of the ACL specified for the file. Any access request other than write is still evaluated with the ACL. Additionally, this privilege enables you to set any valid user or group SID as the owner of a file. The following access rights are granted if this privilege is held:
WRITE\_DAC
WRITE\_OWNER
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_WRITE
FILE\_ADD\_FILE
FILE\_ADD\_SUBDIRECTORY
DELETE
With this privilege, the user can bypass file, directory, registry, and other persistent objects permissions when restoring backed up files and directories and determines which users can set any valid security principal as the owner of an object. | -| SeSecurityPrivilege | Manage auditing and security log | Required to perform a number of security-related functions, such as controlling and viewing audit events in security event log.
With this privilege, the user can specify object access auditing options for individual resources, such as files, Active Directory objects, and registry keys.
A user with this privilege can also view and clear the security log. | -| SeShutdownPrivilege | Shut down the system | Required to shut down a local system. | -| SeSyncAgentPrivilege | Synchronize directory service data | This privilege enables the holder to read all objects and properties in the directory, regardless of the protection on the objects and properties. By default, it is assigned to the Administrator and LocalSystem accounts on domain controllers.
With this privilege, the user can synchronize all directory service data. This is also known as Active Directory synchronization. | -| SeSystemEnvironmentPrivilege | Modify firmware environment values | Required to modify the nonvolatile RAM of systems that use this type of memory to store configuration information. | -| SeSystemProfilePrivilege | Profile system performance | Required to gather profiling information for the entire system.
With this privilege, the user can use performance monitoring tools to monitor the performance of system processes. | -| SeSystemtimePrivilege | Change the system time | Required to modify the system time.
With this privilege, the user can change the time and date on the internal clock of the computer. Users that are assigned this user right can affect the appearance of event logs. If the system time is changed, events that are logged will reflect this new time, not the actual time that the events occurred. | -| SeTakeOwnershipPrivilege | Take ownership of files or other objects | Required to take ownership of an object without being granted discretionary access. This privilege allows the owner value to be set only to those values that the holder may legitimately assign as the owner of an object.
With this privilege, the user can take ownership of any securable object in the system, including Active Directory objects, files and folders, printers, registry keys, processes, and threads. | -| SeTcbPrivilege | Act as part of the operating system | This privilege identifies its holder as part of the trusted computer base.
This user right allows a process to impersonate any user without authentication. The process can therefore gain access to the same local resources as that user. | -| SeTimeZonePrivilege | Change the time zone | Required to adjust the time zone associated with the computer's internal clock. | -| SeTrustedCredManAccessPrivilege | Access Credential Manager as a trusted caller | Required to access Credential Manager as a trusted caller. | -| SeUndockPrivilege | Remove computer from docking station | Required to undock a laptop.
With this privilege, the user can undock a portable computer from its docking station without logging on. | -| SeUnsolicitedInputPrivilege | Not applicable | Required to read unsolicited input from a [*terminal*](/windows/win32/secgloss/t-gly#_security_terminal_gly) device. | - - -## Security Monitoring Recommendations - -For 4704(S): A user right was assigned. - -| **Type of monitoring required** | **Recommendation** | -|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| **Actions typically performed by the SYSTEM account**: This event and certain other events should be monitored to see if they are triggered by any account other than SYSTEM. | Because this event is typically triggered by the SYSTEM account, we recommend that you report it whenever **“Subject\\Security ID”** is not SYSTEM. | -| **High-value accounts**: You might have high-value domain or local accounts for which you need to monitor each action.
Examples of high-value accounts are database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts and so on. | Monitor this event with the **“Subject\\Security ID”** that corresponds to the high-value account or accounts. | -| **Anomalies or malicious actions**: You might have specific requirements for detecting anomalies or monitoring potential malicious actions. For example, you might need to monitor for use of an account outside of working hours. | When you monitor for anomalies or malicious actions, use the **“Subject\\Security ID”** (with other information) to monitor how or when a particular account is being used. | -| **Non-active accounts**: You might have non-active, disabled, or guest accounts, or other accounts that should never be used. | Monitor this event with the **“Subject\\Security ID”** or “**Target Account\\ Account Name**” that correspond to the accounts that should never be used. | -| **Account allowlist**: You might have a specific allowlist of accounts that are the only ones allowed to perform actions corresponding to particular events. | If this event corresponds to an “allowlist-only” action, review the **“Subject\\Security ID”** for accounts that are outside the allowlist. Also check the “**Target Account\\Account Name**” and **“New Right”** to see what was enabled. | -| **Accounts of different types**: You might want to ensure that certain actions are performed only by certain account types, for example, local or domain account, machine or user account, vendor or employee account, and so on. | If this event corresponds to an action you want to monitor for certain account types, review the **“Subject\\Security ID”** to see whether the account type is as expected. | -| **External accounts**: You might be monitoring accounts from another domain, or “external” accounts that are not allowed to perform certain actions (represented by certain specific events). | Monitor this event for the **“Subject\\Account Domain”** corresponding to accounts from another domain or “external” accounts. | -| **Restricted-use computers or devices**: You might have certain computers, machines, or devices on which certain people (accounts) should perform only limited actions, or no actions at all. | Monitor the target **Computer:** (or other target device) for actions performed by the **“Subject\\Security ID”** that you are concerned about.
Also check **“Target Account\\ Account Name”** to see whether the change in rights should be made on that computer for that account. | -| **User rights that should be restricted or monitored**: You might have a list of user rights that you want to restrict or monitor. | Monitor this event and compare the “**New Right\\User Right**” to your list of user rights, to see whether the right should be assigned to **“Target Account\\Account Name**.” Trigger an alert for user rights that should not be enabled, especially on high-value servers or other computers.
For example, your list of restricted rights might say that only administrative accounts should have **SeAuditPrivilege**. As another example, your list might say that no accounts should have **SeTcbPrivilege** or **SeDebugPrivilege**. | -| **Account naming conventions**: Your organization might have specific naming conventions for account names. | Monitor “**Subject\\Account Name”** for names that don’t comply with naming conventions. | \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4705.md b/windows/security/threat-protection/auditing/event-4705.md deleted file mode 100644 index aa5fedab07..0000000000 --- a/windows/security/threat-protection/auditing/event-4705.md +++ /dev/null @@ -1,155 +0,0 @@ ---- -title: 4705(S) A user right was removed. -description: Describes security event 4705(S) A user right was removed. This event is generated when a user right is removed from an account. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4705(S): A user right was removed. - - -Event 4705 illustration - -***Subcategory:*** [Audit Authorization Policy Change](audit-authorization-policy-change.md) - -***Event Description:*** - -This event generates every time local user right policy is changed and user right was removed from an account. - -You will see unique event for every user. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4705 - 0 - 0 - 13570 - 0 - 0x8020000000000000 - - 1049867 - - - Security - DC01.contoso.local - - -- - S-1-5-18 - DC01$ - CONTOSO - 0x3e7 - S-1-5-21-3457937927-2839227994-823803824-1104 - SeTimeZonePrivilege - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that made a change to local user right policy. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that made a change to local user right policy. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Target Account:** - -- **Account Name** \[Type = SID\]: the SID of security principal for which user rights were removed. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -**Removed Right:** - -- **User Right** \[Type = UnicodeString\]: the list of removed user rights. This event generates only for *user* rights, not logon rights. Here is the list of possible user rights: - -| Privilege Name | User Right Group Policy Name | Description | -|---------------------------------|----------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| SeAssignPrimaryTokenPrivilege | Replace a process-level token | Required to assign the [*primary token*](/windows/win32/secgloss/p-gly#_security_primary_token_gly) of a process.
With this privilege, the user can initiate a process to replace the default token associated with a started subprocess. | -| SeAuditPrivilege | Generate security audits | With this privilege, the user can add entries to the security log. | -| SeBackupPrivilege | Back up files and directories | - Required to perform backup operations.
With this privilege, the user can bypass file and directory, registry, and other persistent object permissions for the purposes of backing up the system.
This privilege causes the system to grant all read access control to any file, regardless of the [*access control list*](/windows/win32/secgloss/a-gly#_security_access_control_list_gly) (ACL) specified for the file. Any access request other than read is still evaluated with the ACL. The following access rights are granted if this privilege is held:
READ\_CONTROL
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_READ
FILE\_TRAVERSE | -| SeChangeNotifyPrivilege | Bypass traverse checking | Required to receive notifications of changes to files or directories. This privilege also causes the system to skip all traversal access checks.
With this privilege, the user can traverse directory trees even though the user may not have permissions on the traversed directory. This privilege does not allow the user to list the contents of a directory, only to traverse directories. | -| SeCreateGlobalPrivilege | Create global objects | Required to create named file mapping objects in the global namespace during Terminal Services sessions. | -| SeCreatePagefilePrivilege | Create a pagefile | With this privilege, the user can create and change the size of a pagefile. | -| SeCreatePermanentPrivilege | Create permanent shared objects | Required to create a permanent object.
This privilege is useful to kernel-mode components that extend the object namespace. Components that are running in kernel mode already have this privilege inherently; it is not necessary to assign them the privilege. | -| SeCreateSymbolicLinkPrivilege | Create symbolic links | Required to create a symbolic link. | -| SeCreateTokenPrivilege | Create a token object | Allows a process to create a token which it can then use to get access to any local resources when the process uses NtCreateToken() or other token-creation APIs.
When a process requires this privilege, we recommend using the LocalSystem account (which already includes the privilege), rather than creating a separate user account and assigning this privilege to it. | -| SeDebugPrivilege | Debug programs | Required to debug and adjust the memory of a process owned by another account.
With this privilege, the user can attach a debugger to any process or to the kernel. Developers who are debugging their own applications do not need this user right. Developers who are debugging new system components need this user right. This user right provides complete access to sensitive and critical operating system components. | -| SeEnableDelegationPrivilege | Enable computer and user accounts to be trusted for delegation | Required to mark user and computer accounts as trusted for delegation.
With this privilege, the user can set the **Trusted for Deleg**ation setting on a user or computer object.
The user or object that is granted this privilege must have write access to the account control flags on the user or computer object. A server process running on a computer (or under a user context) that is trusted for delegation can access resources on another computer using the delegated credentials of a client, as long as the account of the client does not have the **Account cannot be delegated** account control flag set. | -| SeImpersonatePrivilege | Impersonate a client after authentication | With this privilege, the user can impersonate other accounts. | -| SeIncreaseBasePriorityPrivilege | Increase scheduling priority | Required to increase the base priority of a process.
With this privilege, the user can use a process with Write property access to another process to increase the execution priority assigned to the other process. A user with this privilege can change the scheduling priority of a process through the Task Manager user interface. | -| SeIncreaseQuotaPrivilege | Adjust memory quotas for a process | Required to increase the quota assigned to a process.
With this privilege, the user can change the maximum memory that can be consumed by a process. | -| SeIncreaseWorkingSetPrivilege | Increase a process working set | Required to allocate more memory for applications that run in the context of users. | -| SeLoadDriverPrivilege | Load and unload device drivers | Required to load or unload a device driver.
With this privilege, the user can dynamically load and unload device drivers or other code in to kernel mode. This user right does not apply to Plug and Play device drivers. | -| SeLockMemoryPrivilege | Lock pages in memory | Required to lock physical pages in memory.
With this privilege, the user can use a process to keep data in physical memory, which prevents the system from paging the data to virtual memory on disk. Exercising this privilege could significantly affect system performance by decreasing the amount of available random access memory (RAM). | -| SeMachineAccountPrivilege | Add workstations to domain | With this privilege, the user can create a computer account.
This privilege is valid only on domain controllers. | -| SeManageVolumePrivilege | Perform volume maintenance tasks | Required to run maintenance tasks on a volume, such as remote defragmentation. | -| SeProfileSingleProcessPrivilege | Profile single process | Required to gather profiling information for a single process.
With this privilege, the user can use performance monitoring tools to monitor the performance of non-system processes. | -| SeRelabelPrivilege | Modify an object label | Required to modify the mandatory integrity level of an object. | -| SeRemoteShutdownPrivilege | Force shutdown from a remote system | Required to shut down a system using a network request. | -| SeRestorePrivilege | Restore files and directories | Required to perform restore operations. This privilege causes the system to grant all write access control to any file, regardless of the ACL specified for the file. Any access request other than write is still evaluated with the ACL. Additionally, this privilege enables you to set any valid user or group SID as the owner of a file. The following access rights are granted if this privilege is held:
WRITE\_DAC
WRITE\_OWNER
ACCESS\_SYSTEM\_SECURITY
FILE\_GENERIC\_WRITE
FILE\_ADD\_FILE
FILE\_ADD\_SUBDIRECTORY
DELETE
With this privilege, the user can bypass file, directory, registry, and other persistent objects permissions when restoring backed up files and directories and determines which users can set any valid security principal as the owner of an object. | -| SeSecurityPrivilege | Manage auditing and security log | Required to perform a number of security-related functions, such as controlling and viewing audit events in security event log.
With this privilege, the user can specify object access auditing options for individual resources, such as files, Active Directory objects, and registry keys.
A user with this privilege can also view and clear the security log. | -| SeShutdownPrivilege | Shut down the system | Required to shut down a local system. | -| SeSyncAgentPrivilege | Synchronize directory service data | This privilege enables the holder to read all objects and properties in the directory, regardless of the protection on the objects and properties. By default, it is assigned to the Administrator and LocalSystem accounts on domain controllers.
With this privilege, the user can synchronize all directory service data. This is also known as Active Directory synchronization. | -| SeSystemEnvironmentPrivilege | Modify firmware environment values | Required to modify the nonvolatile RAM of systems that use this type of memory to store configuration information. | -| SeSystemProfilePrivilege | Profile system performance | Required to gather profiling information for the entire system.
With this privilege, the user can use performance monitoring tools to monitor the performance of system processes. | -| SeSystemtimePrivilege | Change the system time | Required to modify the system time.
With this privilege, the user can change the time and date on the internal clock of the computer. Users that are assigned this user right can affect the appearance of event logs. If the system time is changed, events that are logged will reflect this new time, not the actual time that the events occurred. | -| SeTakeOwnershipPrivilege | Take ownership of files or other objects | Required to take ownership of an object without being granted discretionary access. This privilege allows the owner value to be set only to those values that the holder may legitimately assign as the owner of an object.
With this privilege, the user can take ownership of any securable object in the system, including Active Directory objects, files and folders, printers, registry keys, processes, and threads. | -| SeTcbPrivilege | Act as part of the operating system | This privilege identifies its holder as part of the trusted computer base.
This user right allows a process to impersonate any user without authentication. The process can therefore gain access to the same local resources as that user. | -| SeTimeZonePrivilege | Change the time zone | Required to adjust the time zone associated with the computer's internal clock. | -| SeTrustedCredManAccessPrivilege | Access Credential Manager as a trusted caller | Required to access Credential Manager as a trusted caller. | -| SeUndockPrivilege | Remove computer from docking station | Required to undock a laptop.
With this privilege, the user can undock a portable computer from its docking station without logging on. | -| SeUnsolicitedInputPrivilege | Not applicable | Required to read unsolicited input from a [*terminal*](/windows/win32/secgloss/t-gly#_security_terminal_gly) device. | - -## Security Monitoring Recommendations - -For 4705(S): A user right was removed. - -| **Type of monitoring required** | **Recommendation** | -|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| **Actions typically performed by the SYSTEM account**: This event and certain other events should be monitored to see if they are triggered by any account other than SYSTEM. | Because this event is typically triggered by the SYSTEM account, we recommend that you report it whenever **“Subject\\Security ID”** is not SYSTEM. | -| **High-value accounts**: You might have high-value domain or local accounts for which you need to monitor each action.
Examples of high-value accounts are database administrators, built-in local administrator account, domain administrators, service accounts, domain controller accounts and so on. | Monitor this event with the **“Subject\\Security ID”** that corresponds to the high-value account or accounts. | -| **Anomalies or malicious actions**: You might have specific requirements for detecting anomalies or monitoring potential malicious actions. For example, you might need to monitor for use of an account outside of working hours. | When you monitor for anomalies or malicious actions, use the **“Subject\\Security ID”** (with other information) to monitor how or when a particular account is being used. | -| **Non-active accounts**: You might have non-active, disabled, or guest accounts, or other accounts that should never be used. | Monitor this event with the **“Subject\\Security ID”** or “**Target Account\\Account Name**” that correspond to the accounts that should never be used. | -| **Account allowlist**: You might have a specific allowlist of accounts that are the only ones allowed to perform actions corresponding to particular events. | If this event corresponds to an “allowlist-only” action, review the **“Subject\\Security ID”** for accounts that are outside the allowlist.
If you have specific user rights policies, for example, an allowlist of accounts that can perform certain actions, monitor this event to confirm that it was appropriate that the “**Removed Right**” was removed from “**Target** **Account\\Account Name**.” | -| **Accounts of different types**: You might want to ensure that certain actions are performed only by certain account types, for example, local or domain account, machine or user account, vendor or employee account, and so on. | If this event corresponds to an action you want to monitor for certain account types, review the **“Subject\\Security ID”** and “**Target Account\\Account Name”** to see whether the account type is as expected.
For example, if some accounts have critical user rights which should never be removed, monitor this event for the **“Target** **Account\\Account Name”** and the appropriate rights.
As another example, if non-administrative accounts should never be granted certain user rights (for example, **SeAuditPrivilege**), you might monitor this event, because a right can be removed only after it was previously granted. | -| **External accounts**: You might be monitoring accounts from another domain, or “external” accounts that are not allowed to perform certain actions (represented by certain specific events). | Monitor this event for the **“Subject\\Account Domain”** corresponding to accounts from another domain or “external” accounts. | -| **Restricted-use computers or devices**: You might have certain computers, machines, or devices on which certain people (accounts) should perform only limited actions, or no actions at all. | Monitor the target **Computer:** (or other target device) for actions performed by the **“Subject\\Security ID”** that you are concerned about. Also be sure to check “**Target Account\\Account Name**” to see whether user rights should be removed from that account (or whether that account should have any rights on that computer).
For high-value servers or other computers, we recommend that you track this event and investigate whether the specific “**Removed Right**” should be removed from “**Target** **Account\\Account Name**” in each case. | -| **User rights that should be restricted**: You might have a list of user rights that you want to monitor. | Monitor this event and compare the **“Removed Right”** to your list of restricted rights.
Monitor this event to discover the removal of a right that should never have been granted (for example, SeTcbPrivilege), so that you can investigate further. | -| **Account naming conventions**: Your organization might have specific naming conventions for account names. | Monitor “**Subject\\Account Name”** for names that don’t comply with naming conventions. | \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4706.md b/windows/security/threat-protection/auditing/event-4706.md deleted file mode 100644 index d379640fbc..0000000000 --- a/windows/security/threat-protection/auditing/event-4706.md +++ /dev/null @@ -1,149 +0,0 @@ ---- -title: 4706(S) A new trust was created to a domain. -description: Describes security event 4706(S) A new trust was created to a domain. This event is generated when a new trust is created for a domain. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4706(S): A new trust was created to a domain. - - -Event 4706 illustration - -***Subcategory:*** [Audit Authentication Policy Change](audit-authentication-policy-change.md) - -***Event Description:*** - -This event generates when a new trust was created to a domain. - -This event is generated only on domain controllers. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4706 - 0 - 0 - 13569 - 0 - 0x8020000000000000 - - 1049759 - - - Security - DC01.contoso.local - - -- - corp.contoso.local - S-1-5-21-2226861337-2836268956-2433141405 - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x3e99d6 - 2 - 3 - 32 - %%1796 - - - -``` - -***Required Server Roles:*** Active Directory domain controller. - -***Minimum OS Version:*** Windows Server 2008. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “create domain trust” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “create domain trust” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Trusted Domain:** - -- **Domain Name** \[Type = UnicodeString\]**:** the name of new trusted domain. - -- **Domain ID** \[Type = SID\]**:** SID of new trusted domain. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -**Trust Information:** - -- **Trust Type** \[Type = UInt32\]**:** the type of new trust. The following table contains possible values for this field: - -| Value | Attribute Value | Description | -|-------|------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 1 | TRUST\_TYPE\_DOWNLEVEL | The domain controller of the trusted domain is a computer running an operating system earlier than Windows 2000. | -| 2 | TRUST\_TYPE\_UPLEVEL | The domain controller of the trusted domain is a computer running Windows 2000 or later. | -| 3 | TRUST\_TYPE\_MIT | The trusted domain is running a non-Windows, RFC4120-compliant Kerberos distribution. This type of trust is distinguished in that (1) a [SID](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_83f2020d-0804-4840-a5ac-e06439d50f8d) is not required for the [TDO](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_f2ceef4e-999b-4276-84cd-2e2829de5fc4), and (2) the default key types include the DES-CBC and DES-CRC encryption types (see [\[RFC4120\]](https://go.microsoft.com/fwlink/?LinkId=90458) section 8.1). | -| 4 | TRUST\_TYPE\_DCE | The trusted domain is a DCE realm. Historical reference, this value is not used in Windows. | - -- **Trust Direction** \[Type = UInt32\]**:** the direction of new trust. The following table contains possible values for this field: - -| Value | Attribute Value | Description | -|-------|---------------------------------|-------------------------------------------------------------------------------------------------------------| -| 0 | TRUST\_DIRECTION\_DISABLED | The trust relationship exists, but it has been disabled. | -| 1 | TRUST\_DIRECTION\_INBOUND | The trusted domain trusts the primary domain to perform operations such as name lookups and authentication. | -| 2 | TRUST\_DIRECTION\_OUTBOUND | The primary domain trusts the trusted domain to perform operations such as name lookups and authentication. | -| 3 | TRUST\_DIRECTION\_BIDIRECTIONAL | Both domains trust one another for operations such as name lookups and authentication. | - -- **Trust Attributes** \[Type = UInt32\]**:** the decimal value of attributes for new trust. You need convert decimal value to hexadecimal and find it in the table below. The following table contains possible values for this field: - -| Value | Attribute Value | Description | -|-------|------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 0x1 | TRUST\_ATTRIBUTE\_NON\_TRANSITIVE | If this bit is set, then the trust cannot be used transitively. For example, if domain A trusts domain B, which in turn trusts domain C, and the A<-->B trust has this attribute set, then a client in domain A cannot authenticate to a server in domain C over the A<-->B<-->C trust linkage. | -| 0x2 | TRUST\_ATTRIBUTE\_UPLEVEL\_ONLY | If this bit is set in the attribute, then only Windows 2000 operating system and newer clients may use the trust link. [Netlogon](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_70771a5a-04a3-447d-981b-e03098808c32) does not consume [trust objects](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_e81f6436-01d2-4311-93a4-4316bb67eabd) that have this flag set. | -| 0x4 | TRUST\_ATTRIBUTE\_QUARANTINED\_DOMAIN | If this bit is set, the trusted domain is quarantined and is subject to the rules of [SID](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_83f2020d-0804-4840-a5ac-e06439d50f8d) Filtering as described in [\[MS-PAC\]](/openspecs/windows_protocols/ms-pac/166d8064-c863-41e1-9c23-edaaa5f36962) section [4.1.2.2](/openspecs/windows_protocols/ms-pac/55fc19f2-55ba-4251-8a6a-103dd7c66280). | -| 0x8 | TRUST\_ATTRIBUTE\_FOREST\_TRANSITIVE | If this bit is set, the trust link is a [cross-forest trust](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_86f3dbf2-338f-462e-8c5b-3c8e05798dbc) [\[MS-KILE\]](/openspecs/windows_protocols/ms-kile/2a32282e-dd48-4ad9-a542-609804b02cc9) between the root domains of two [forests](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_fd104241-4fb3-457c-b2c4-e0c18bb20b62), both of which are running in a [forest functional level](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_b3240417-ca43-4901-90ec-fde55b32b3b8) of DS\_BEHAVIOR\_WIN2003 or greater.
Only evaluated on Windows Server 2003 operating system, Windows Server 2008 operating system, Windows Server 2008 R2 operating system, Windows Server 2012 operating system, Windows Server 2012 R2 operating system, and Windows Server 2016 operating system.
Can only be set if forest and trusted forest are running in a forest functional level of DS\_BEHAVIOR\_WIN2003 or greater. | -| 0x10 | TRUST\_ATTRIBUTE\_CROSS\_ORGANIZATION | If this bit is set, then the trust is to a domain or forest that is not part of the [organization](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_6fae7775-5232-4206-b452-f298546ab54f). The behavior controlled by this bit is explained in [\[MS-KILE\]](/openspecs/windows_protocols/ms-kile/2a32282e-dd48-4ad9-a542-609804b02cc9) section [3.3.5.7.5](/openspecs/windows_protocols/ms-kile/bac4dc69-352d-416c-a9f4-730b81ababb3) and [\[MS-APDS\]](/openspecs/windows_protocols/ms-apds/dd444344-fd7e-430e-b313-7e95ab9c338e) section [3.1.5](/openspecs/windows_protocols/ms-apds/f47e40e1-b9ca-47e2-b139-15a1e96b0e72).
Only evaluated on Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016.
Can only be set if forest and trusted forest are running in a forest functional level of DS\_BEHAVIOR\_WIN2003 or greater. | -| 0x20 | TRUST\_ATTRIBUTE\_WITHIN\_FOREST | If this bit is set, then the trusted domain is within the same forest.
Only evaluated on Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016. | -| 0x40 | TRUST\_ATTRIBUTE\_TREAT\_AS\_EXTERNAL | If this bit is set, then a cross-forest trust to a domain is to be treated as an external trust for the purposes of SID Filtering. Cross-forest trusts are more stringently [filtered](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_ffbe7b55-8e84-4f41-a18d-fc29191a4cda) than external trusts. This attribute relaxes those cross-forest trusts to be equivalent to external trusts. For more information on how each trust type is filtered, see [\[MS-PAC\]](/openspecs/windows_protocols/ms-pac/166d8064-c863-41e1-9c23-edaaa5f36962) section 4.1.2.2.
Only evaluated on Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016.
Only evaluated if SID Filtering is used.
Only evaluated on cross-forest trusts having TRUST\_ATTRIBUTE\_FOREST\_TRANSITIVE.
Can only be set if forest and trusted forest are running in a forest functional level of DS\_BEHAVIOR\_WIN2003 or greater. | -| 0x80 | TRUST\_ATTRIBUTE\_USES\_RC4\_ENCRYPTION | This bit is set on trusts with the [trustType](/openspecs/windows_protocols/ms-ada3/d4b436de-0ba2-44e3-975c-9f4d8aa51885) set to TRUST\_TYPE\_MIT, which are capable of using RC4 keys. Historically, MIT Kerberos distributions supported only DES and 3DES keys ([\[RFC4120\]](https://go.microsoft.com/fwlink/?LinkId=90458), [\[RFC3961\]](https://go.microsoft.com/fwlink/?LinkId=90450)). MIT 1.4.1 adopted the RC4HMAC encryption type common to Windows 2000 [\[MS-KILE\]](/openspecs/windows_protocols/ms-kile/2a32282e-dd48-4ad9-a542-609804b02cc9), so trusted domains deploying later versions of the MIT distribution required this bit. For more information, see "Keys and Trusts", section [6.1.6.9.1](/openspecs/windows_protocols/ms-adts/c964fca9-c50e-426a-9173-5bf3cb720e2e).
Only evaluated on TRUST\_TYPE\_MIT | -| 0x200 | TRUST\_ATTRIBUTE\_CROSS\_ORGANIZATION\_NO\_TGT\_DELEGATION | If this bit is set, tickets granted under this trust MUST NOT be trusted for delegation. The behavior controlled by this bit is as specified in [\[MS-KILE\]](/openspecs/windows_protocols/ms-kile/2a32282e-dd48-4ad9-a542-609804b02cc9) section 3.3.5.7.5.
Only supported on Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016. | -| 0x400 | TRUST\_ATTRIBUTE\_PIM\_TRUST | If this bit and the TATE bit are set, then a cross-forest trust to a domain is to be treated as Privileged Identity Management trust for the purposes of SID Filtering. For more information on how each trust type is filtered, see [\[MS-PAC\]](/openspecs/windows_protocols/ms-pac/166d8064-c863-41e1-9c23-edaaa5f36962) section 4.1.2.2.
Evaluated only on Windows Server 2016
Evaluated only if SID Filtering is used.
Evaluated only on cross-forest trusts having TRUST\_ATTRIBUTE\_FOREST\_TRANSITIVE.
Can be set only if the forest and the trusted forest are running in a forest functional level of DS\_BEHAVIOR\_WINTHRESHOLD or greater. | - -- **SID Filtering** \[Type = UnicodeString\]: [SID Filtering](/previous-versions/windows/it-pro/windows-server-2003/cc772633(v=ws.10)) state for the new trust: - - - Enabled - - - Disabled - -## Security Monitoring Recommendations - -For 4706(S): A new trust was created to a domain. - -- Any changes related to Active Directory domain trusts (especially creation of the new trust) must be monitored and alerts should be triggered. If this change was not planned, investigate the reason for the change. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4707.md b/windows/security/threat-protection/auditing/event-4707.md deleted file mode 100644 index a7d7e7fab3..0000000000 --- a/windows/security/threat-protection/auditing/event-4707.md +++ /dev/null @@ -1,105 +0,0 @@ ---- -title: 4707(S) A trust to a domain was removed. -description: Describes security event 4707(S) A trust to a domain was removed. This event is generated when a domain trust is removed. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4707(S): A trust to a domain was removed. - - -Event 4707 illustration - -***Subcategory:*** [Audit Authentication Policy Change](audit-authentication-policy-change.md) - -***Event Description:*** - -This event generates when a domain trust was removed. - -This event is generated only on domain controllers. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4707 - 0 - 0 - 13569 - 0 - 0x8020000000000000 - - 1049754 - - - Security - DC01.contoso.local - - -- - FABRIKAM - S-1-5-21-2226861337-2836268956-2433141405 - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x3e99d6 - - - -``` - -***Required Server Roles:*** Active Directory domain controller. - -***Minimum OS Version:*** Windows Server 2008. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “remove domain trust” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “remove domain trust” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Domain Information:** - -- **Domain Name** \[Type = UnicodeString\]**:** the name of removed trusted domain. - -- **Domain ID** \[Type = SID\]**:** SID of removed trusted domain. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -## Security Monitoring Recommendations - -For 4707(S): A trust to a domain was removed. - -- Any changes related to Active Directory domain trusts (especially trust removal) must be monitored and alerts should be triggered. If this change was not planned, investigate the reason for the change. - diff --git a/windows/security/threat-protection/auditing/event-4713.md b/windows/security/threat-protection/auditing/event-4713.md deleted file mode 100644 index f83c8df8ce..0000000000 --- a/windows/security/threat-protection/auditing/event-4713.md +++ /dev/null @@ -1,111 +0,0 @@ ---- -title: 4713(S) Kerberos policy was changed. -description: Describes security event 4713(S) Kerberos policy was changed. This event is generated when Kerberos policy is changed. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4713(S): Kerberos policy was changed. - - -Event 4713 illustration - -***Subcategory:*** [Audit Authentication Policy Change](audit-authentication-policy-change.md) - -***Event Description:*** - -This event generates when [Kerberos](/windows/win32/secauthn/microsoft-kerberos) policy was changed. - -This event is generated only on domain controllers. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4713 - 0 - 0 - 13569 - 0 - 0x8020000000000000 - - 1049772 - - - Security - DC01.contoso.local - - -- - S-1-5-18 - DC01$ - CONTOSO - 0x3e7 - KerMaxT: 0x10c388d000 (0x861c46800); KerMaxR: 0x19254d38000 (0xc92a69c000); - - - -``` - -***Required Server Roles:*** Active Directory domain controller. - -***Minimum OS Version:*** Windows Server 2008. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that made a change to Kerberos policy. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that made a change to Kerberos policy. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Changes Made** \[Type = UnicodeString\]**:** '--' means no changes, otherwise each change is shown as: Parameter\_Name: new\_value (old\_value). Here is a list of possible parameter names: - -| Parameter Name | Description | -|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| KerProxy | 1. Maximum tolerance for computer clock synchronization.
To convert the **KerProxy** to minutes you need to:
Convert the value to decimal value.
Divide value by 600000000. | -| KerMaxR | 1. Maximum lifetime for user ticket renewal.
To convert the **KerProxy** to days you need to:
Convert the value to decimal value.
Divide value by 864000000000. | -| KerMaxT | 1. Maximum lifetime for user ticket.
To convert the **KerMaxT** to hours you need to:
Convert the value to decimal value.
Divide value by 36000000000. | -| KerMinT | 1. Maximum lifetime for service ticket.
To convert the **KerMinT** to minutes you need to:
Convert the value to decimal value.
Divide value by 600000000. | -| KerOpts | - Enforce user logon restrictions:
0x80 – Enabled
0x0 - Disabled | - -This event shows changes in “Kerberos policy”. Here is location of Kerberos policies in Group Policy management console: - -Group policy editor illustration - -## Security Monitoring Recommendations - -For 4713(S): Kerberos policy was changed. - -- Any changes in Kerberos policy reported by current event must be monitored and an alert should be triggered. If this change was not planned, investigate the reason for the change. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4714.md b/windows/security/threat-protection/auditing/event-4714.md deleted file mode 100644 index 13f82a2f64..0000000000 --- a/windows/security/threat-protection/auditing/event-4714.md +++ /dev/null @@ -1,73 +0,0 @@ ---- -title: 4714(S) Encrypted data recovery policy was changed. -description: Describes security event 4714(S) Encrypted data recovery policy was changed. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4714(S): Encrypted data recovery policy was changed. - - -Event 4714 illustration - -***Subcategory:*** [Audit Other Policy Change Events](audit-other-policy-change-events.md) - -***Event Description:*** - -This event generates when a Data Recovery Agent group policy for Encrypting File System ([EFS](/previous-versions/tn-archive/cc700811(v=technet.10))) has changed. - -This event generates when a Data Recovery Agent certificate or [Data Recovery Agent policy](/previous-versions/windows/it-pro/windows-server-2003/cc778208(v=ws.10)) was changed for the computer or device. - -In the background, this event generates when the [\\HKLM\\Software\\Policies\\Microsoft\\SystemCertificates\\EFS\\EfsBlob](/openspecs/windows_protocols/ms-gpef/34fd0504-84fc-4ad9-97ac-ee74b84419ac) registry value is changed during a Group Policy update. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4714 - 0 - 0 - 13573 - 0 - 0x8020000000000000 - - 1080883 - - - Security - DC01.contoso.local - - -- - 13 - SubjectUserSid - - - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -## Security Monitoring Recommendations - -For 4714(S): Encrypted data recovery policy was changed. - -- We recommend monitoring this event and if the change was not planned, investigate the reason for the change. \ No newline at end of file diff --git a/windows/security/threat-protection/auditing/event-4715.md b/windows/security/threat-protection/auditing/event-4715.md deleted file mode 100644 index b92a998c6d..0000000000 --- a/windows/security/threat-protection/auditing/event-4715.md +++ /dev/null @@ -1,216 +0,0 @@ ---- -title: 4715(S) The audit policy (SACL) on an object was changed. -description: Describes security event 4715(S) The audit policy (SACL) on an object was changed. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4715(S): The audit policy (SACL) on an object was changed. - - -Event 4715 illustration - -***Subcategory:*** [Audit Policy Change](audit-audit-policy-change.md) - -***Event Description:*** - -This event generates every time local audit policy security descriptor changes. - -This event is always logged regardless of the "Audit Policy Change" sub-category setting. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4715 - 0 - 0 - 13568 - 0 - 0x8020000000000000 - - 1049425 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x11ae30 - D:(A;;DCSWRPDTRC;;;BA)(D;;DCSWRPDTRC;;;SY)S:NO\_ACCESS\_CONTROL - D:(A;;DCSWRPDTRC;;;BA)(A;;DCSWRPDTRC;;;SY)S:NO\_ACCESS\_CONTROL - - -``` - -***Required Server Roles:*** None. - -***Minimum OS Version:*** Windows Server 2008, Windows Vista. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “change local audit policy security descriptor (SACL)” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “change local audit policy security descriptor (SACL)” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Audit Policy Change:** - -- **Original Security Descriptor** \[Type = UnicodeString\]**:** the old Security Descriptor Definition Language (SDDL) value for the audit policy. - -- **New Security Descriptor** \[Type = UnicodeString\]**:** new Security Descriptor Definition Language (SDDL) value for the audit policy. - -> **Note**  The **Security Descriptor Definition Language (SDDL)** defines string elements for enumerating information contained in the security descriptor. -> -> Example: -> -> *O*:BA*G*:SY*D*:(D;;0xf0007;;;AN)(D;;0xf0007;;;BG)(A;;0xf0007;;;SY)(A;;0×7;;;BA)*S*:ARAI(AU;SAFA;DCLCRPCRSDWDWO;;;WD) -> -> - *O*: = Owner. SID of specific security principal, or reserved (pre-defined) value, for example: BA (BUILTIN\_ADMINISTRATORS), WD (Everyone), SY (LOCAL\_SYSTEM), etc. -> See the list of possible values in the table below: - -| Value | Description | Value | Description | -|-------|--------------------------------------|-------|---------------------------------| -| "AO" | Account operators | "PA" | Group Policy administrators | -| "RU" | Alias to allow previous Windows 2000 | "IU" | Interactively logged-on user | -| "AN" | Anonymous logon | "LA" | Local administrator | -| "AU" | Authenticated users | "LG" | Local guest | -| "BA" | Built-in administrators | "LS" | Local service account | -| "BG" | Built-in guests | "SY" | Local system | -| "BO" | Backup operators | "NU" | Network logon user | -| "BU" | Built-in users | "NO" | Network configuration operators | -| "CA" | Certificate server administrators | "NS" | Network service account | -| "CG" | Creator group | "PO" | Printer operators | -| "CO" | Creator owner | "PS" | Personal self | -| "DA" | Domain administrators | "PU" | Power users | -| "DC" | Domain computers | "RS" | RAS servers group | -| "DD" | Domain controllers | "RD" | Terminal server users | -| "DG" | Domain guests | "RE" | Replicator | -| "DU" | Domain users | "RC" | Restricted code | -| "EA" | Enterprise administrators | "SA" | Schema administrators | -| "ED" | Enterprise domain controllers | "SO" | Server operators | -| "WD" | Everyone | "SU" | Service logon user | - -- *G*: = Primary Group. -- *D*: = DACL Entries. -- *S*: = SACL Entries. - -*DACL/SACL entry format:* entry\_type:inheritance\_flags(ace\_type;ace\_flags;rights;object\_guid;inherit\_object\_guid;account\_sid) - -Example: D:(A;;FA;;;WD) - -- entry\_type: - -“D” - DACL - -“S” - SACL - -- inheritance\_flags: - -"P” - SDDL\_PROTECTED, Inheritance from containers that are higher in the folder hierarchy are blocked. - -"AI" - SDDL\_AUTO\_INHERITED, Inheritance is allowed, assuming that "P" Is not also set. - -"AR" - SDDL\_AUTO\_INHERIT\_REQ, Child objects inherit permissions from this object. - -- ace\_type: - -"A" - ACCESS ALLOWED - -"D" - ACCESS DENIED - -"OA" - OBJECT ACCESS ALLOWED: only applies to a subset of the object(s). - -"OD" - OBJECT ACCESS DENIED: only applies to a subset of the object(s). - -"AU" - SYSTEM AUDIT - -"A" - SYSTEM ALARM - -"OU" - OBJECT SYSTEM AUDIT - -"OL" - OBJECT SYSTEM ALARM - -- ace\_flags: - -"CI" - CONTAINER INHERIT: Child objects that are containers, such as directories, inherit the ACE as an explicit ACE. - -"OI" - OBJECT INHERIT: Child objects that are not containers inherit the ACE as an explicit ACE. - -"NP" - NO PROPAGATE: only immediate children inherit this ace. - -"IO" - INHERITANCE ONLY: ace doesn’t apply to this object, but may affect children via inheritance. - -"ID" - ACE IS INHERITED - -"SA" - SUCCESSFUL ACCESS AUDIT - -"FA" - FAILED ACCESS AUDIT -- rights: A hexadecimal string which denotes the access mask or reserved value, for example: FA (File All Access), FX (File Execute), FW (File Write), etc. - -| Value | Description | Value | Description | -|----------------------------|---------------------------------|----------------------|--------------------------| -| Generic access rights | Directory service access rights | -| "GA" | GENERIC ALL | "RC" | Read Permissions | -| "GR" | GENERIC READ | "SD" | Delete | -| "GW" | GENERIC WRITE | "WD" | Modify Permissions | -| "GX" | GENERIC EXECUTE | "WO" | Modify Owner | -| File access rights | "RP" | Read All Properties | -| "FA" | FILE ALL ACCESS | "WP" | Write All Properties | -| "FR" | FILE GENERIC READ | "CC" | Create All Child Objects | -| "FW" | FILE GENERIC WRITE | "DC" | Delete All Child Objects | -| "FX" | FILE GENERIC EXECUTE | "LC" | List Contents | -| Registry key access rights | "SW" | All Validated Writes | -| "KA" | "LO" | "LO" | List Object | -| "K" | KEY READ | "DT" | Delete Subtree | -| "KW" | KEY WRITE | "CR" | All Extended Rights | -| "KX" | KEY EXECUTE | | | - -- object\_guid: N/A -- inherit\_object\_guid: N/A -- account\_sid: SID of specific security principal, or reserved value, for example: AN (Anonymous), WD (Everyone), SY (LOCAL\_SYSTEM), etc. See the table above for more details. - -For more information about SDDL syntax, see these articles: , . - -## Security Monitoring Recommendations - -For 4715(S): The audit policy (SACL) on an object was changed. - -- Monitor for all events of this type, especially on high value assets or computers, because any change of the local audit policy security descriptor should be planned. If this action was not planned, investigate the reason for the change. - diff --git a/windows/security/threat-protection/auditing/event-4716.md b/windows/security/threat-protection/auditing/event-4716.md deleted file mode 100644 index 42b0a6e238..0000000000 --- a/windows/security/threat-protection/auditing/event-4716.md +++ /dev/null @@ -1,234 +0,0 @@ ---- -title: 4716(S) Trusted domain information was modified. -description: Describes security event 4716(S) Trusted domain information was modified. -ms.pagetype: security -ms.mktglfcycl: deploy -ms.sitesec: library -ms.localizationpriority: low -author: vinaypamnani-msft -ms.date: 09/07/2021 -ms.reviewer: -manager: aaroncz -ms.author: vinpa -ms.topic: reference ---- - -# 4716(S): Trusted domain information was modified. - - -Event 4716 illustration - -***Subcategory:*** [Audit Authentication Policy Change](audit-authentication-policy-change.md) - -***Event Description:*** - -This event generates when the trust was modified. - -This event is generated only on domain controllers. - -> **Note**  For recommendations, see [Security Monitoring Recommendations](#security-monitoring-recommendations) for this event. - -
- -***Event XML:*** -``` -- -- - - 4716 - 0 - 0 - 13569 - 0 - 0x8020000000000000 - - 1049763 - - - Security - DC01.contoso.local - - -- - S-1-5-21-3457937927-2839227994-823803824-1104 - dadmin - CONTOSO - 0x138eb0 - - - S-1-5-21-2226861337-2836268956-2433141405 - 2 - 3 - 32 - - - - - -``` - -***Required Server Roles:*** Active Directory domain controller. - -***Minimum OS Version:*** Windows Server 2008. - -***Event Versions:*** 0. - -***Field Descriptions:*** - -**Subject:** - -- **Security ID** \[Type = SID\]**:** SID of account that requested the “modify domain trust settings” operation. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -> **Note**  A **security identifier (SID)** is a unique value of variable length used to identify a trustee (security principal). Each account has a unique SID that is issued by an authority, such as an Active Directory domain controller, and stored in a security database. Each time a user logs on, the system retrieves the SID for that user from the database and places it in the access token for that user. The system uses the SID in the access token to identify the user in all subsequent interactions with Windows security. When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. For more information about SIDs, see [Security identifiers](/windows/access-protection/access-control/security-identifiers). - -- **Account Name** \[Type = UnicodeString\]**:** the name of the account that requested the “modify domain trust settings” operation. - -- **Account Domain** \[Type = UnicodeString\]**:** subject’s domain or computer name. Formats vary, and include the following: - - - Domain NETBIOS name example: CONTOSO - - - Lowercase full domain name: contoso.local - - - Uppercase full domain name: CONTOSO.LOCAL - - - For some [well-known security principals](/windows/security/identity-protection/access-control/security-identifiers), such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”. - - - For local user accounts, this field will contain the name of the computer or device that this account belongs to, for example: “Win81”. - -- **Logon ID** \[Type = HexInt64\]**:** hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “[4624](event-4624.md): An account was successfully logged on.” - -**Trusted Domain:** - -- **Domain Name** \[Type = UnicodeString\]**:** the name of changed trusted domain. If this attribute was not changed, then it will have “**-**“ value. - -- **Domain ID** \[Type = SID\]**:** SID of changed trusted domain. Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. - -**New Trust Information:** - -- **Trust Type** \[Type = UInt32\]**:** the type of new trust. If this attribute was not changed, then it will have “**-**“ value or its old value. The following table contains possible values for this field: - -| Value | Attribute Value | Description | -|-------|------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 1 | TRUST\_TYPE\_DOWNLEVEL | The domain controller of the trusted domain is a computer running an operating system earlier than Windows 2000. | -| 2 | TRUST\_TYPE\_UPLEVEL | The domain controller of the trusted domain is a computer running Windows 2000 or later. | -| 3 | TRUST\_TYPE\_MIT | The trusted domain is running a non-Windows, RFC4120-compliant Kerberos distribution. This type of trust is distinguished in that (1) a [SID](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_83f2020d-0804-4840-a5ac-e06439d50f8d) is not required for the [TDO](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_f2ceef4e-999b-4276-84cd-2e2829de5fc4), and (2) the default key types include the DES-CBC and DES-CRC encryption types (see [\[RFC4120\]](https://go.microsoft.com/fwlink/?LinkId=90458) section 8.1). | -| 4 | TRUST\_TYPE\_DCE | The trusted domain is a DCE realm. Historical reference, this value is not used in Windows. | - -- **Trust Direction** \[Type = UInt32\]**:** the direction of new trust. If this attribute was not changed, then it will have “**-**“ value or its old value. The following table contains possible values for this field: - -| Value | Attribute Value | Description | -|-------|---------------------------------|-------------------------------------------------------------------------------------------------------------| -| 0 | TRUST\_DIRECTION\_DISABLED | The trust relationship exists, but it has been disabled. | -| 1 | TRUST\_DIRECTION\_INBOUND | The trusted domain trusts the primary domain to perform operations such as name lookups and authentication. | -| 2 | TRUST\_DIRECTION\_OUTBOUND | The primary domain trusts the trusted domain to perform operations such as name lookups and authentication. | -| 3 | TRUST\_DIRECTION\_BIDIRECTIONAL | Both domains trust one another for operations such as name lookups and authentication. | - -- **Trust Attributes** \[Type = UInt32\]**:** the decimal value of attributes for new trust. You need convert decimal value to hexadecimal and find it in the table below. If this attribute was not changed, then it will have “**-**“ value or its old value. The following table contains possible values for this field: - -| Value | Attribute Value | Description | -|-------|------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 0x1 | TRUST\_ATTRIBUTE\_NON\_TRANSITIVE | If this bit is set, then the trust cannot be used transitively. For example, if domain A trusts domain B, which in turn trusts domain C, and the A<-->B trust has this attribute set, then a client in domain A cannot authenticate to a server in domain C over the A<-->B<-->C trust linkage. | -| 0x2 | TRUST\_ATTRIBUTE\_UPLEVEL\_ONLY | If this bit is set in the attribute, then only Windows 2000 operating system and newer clients may use the trust link. [Netlogon](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_70771a5a-04a3-447d-981b-e03098808c32) does not consume [trust objects](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_e81f6436-01d2-4311-93a4-4316bb67eabd) that have this flag set. | -| 0x4 | TRUST\_ATTRIBUTE\_QUARANTINED\_DOMAIN | If this bit is set, the trusted domain is quarantined and is subject to the rules of [SID](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_83f2020d-0804-4840-a5ac-e06439d50f8d) Filtering as described in [\[MS-PAC\]](/openspecs/windows_protocols/ms-pac/166d8064-c863-41e1-9c23-edaaa5f36962) section [4.1.2.2](/openspecs/windows_protocols/ms-pac/55fc19f2-55ba-4251-8a6a-103dd7c66280). | -| 0x8 | TRUST\_ATTRIBUTE\_FOREST\_TRANSITIVE | If this bit is set, the trust link is a [cross-forest trust](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_86f3dbf2-338f-462e-8c5b-3c8e05798dbc) [\[MS-KILE\]](/openspecs/windows_protocols/ms-kile/2a32282e-dd48-4ad9-a542-609804b02cc9) between the root domains of two [forests](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_fd104241-4fb3-457c-b2c4-e0c18bb20b62), both of which are running in a [forest functional level](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_b3240417-ca43-4901-90ec-fde55b32b3b8) of DS\_BEHAVIOR\_WIN2003 or greater.
Only evaluated on Windows Server 2003 operating system, Windows Server 2008 operating system, Windows Server 2008 R2 operating system, Windows Server 2012 operating system, Windows Server 2012 R2 operating system, and Windows Server 2016 operating system.
Can only be set if forest and trusted forest are running in a forest functional level of DS\_BEHAVIOR\_WIN2003 or greater. | -| 0x10 | TRUST\_ATTRIBUTE\_CROSS\_ORGANIZATION | If this bit is set, then the trust is to a domain or forest that is not part of the [organization](/openspecs/windows_protocols/ms-adts/b645c125-a7da-4097-84a1-2fa7cea07714#gt_6fae7775-5232-4206-b452-f298546ab54f). The behavior controlled by this bit is explained in [\[MS-KILE\]](/openspecs/windows_protocols/ms-kile/2a32282e-dd48-4ad9-a542-609804b02cc9) section [3.3.5.7.5](/openspecs/windows_protocols/ms-kile/bac4dc69-352d-416c-a9f4-730b81ababb3) and [\[MS-APDS\]](/openspecs/windows_protocols/ms-apds/dd444344-fd7e-430e-b313-7e95ab9c338e) section [3.1.5](/openspecs/windows_protocols/ms-apds/f47e40e1-b9ca-47e2-b139-15a1e96b0e72).
Only evaluated on Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016.
Can only be set if forest and trusted forest are running in a forest functional level of DS\_BEHAVIOR\_WIN2003 or greater. | -| 0x20 | TRUST\_ATTRIBUTE\_WITHIN\_FOREST | If this bit is set, then the trusted domain is within the same forest.
Only evaluated on Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016. | -| 0x40 | TRUST\_ATTRIBUTE\_TREAT\_AS\_EXTERNAL | If this bit is set, then a cross-forest trust to a domain is to be treated as an external trust for the purposes of SID Filtering. Cross-forest trusts are [more stringently filtered](/openspecs/windows_protocols/ms-adts/e9a2d23c-c31e-4a6f-88a0-6646fdb51a3c) than external trusts. This attribute relaxes those cross-forest trusts to be equivalent to external trusts.
Only evaluated on Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016.
Only evaluated if SID Filtering is used.
Only evaluated on cross-forest trusts having TRUST\_ATTRIBUTE\_FOREST\_TRANSITIVE.
Can only be set if forest and trusted forest are running in a forest functional level of DS\_BEHAVIOR\_WIN2003 or greater. | -| 0x80 | TRUST\_ATTRIBUTE\_USES\_RC4\_ENCRYPTION | This bit is set on trusts with the [trustType](/openspecs/windows_protocols/ms-ada3/d4b436de-0ba2-44e3-975c-9f4d8aa51885) set to TRUST\_TYPE\_MIT, which are capable of using RC4 keys. Historically, MIT Kerberos distributions supported only DES and 3DES keys ([\[RFC4120\]](https://go.microsoft.com/fwlink/?LinkId=90458), [\[RFC3961\]](https://go.microsoft.com/fwlink/?LinkId=90450)). MIT 1.4.1 adopted the RC4HMAC encryption type common to Windows 2000 [\[MS-KILE\]](/openspecs/windows_protocols/ms-kile/2a32282e-dd48-4ad9-a542-609804b02cc9), so trusted domains deploying later versions of the MIT distribution required this bit. For more information, see "Keys and Trusts", section [6.1.6.9.1](/openspecs/windows_protocols/ms-adts/c964fca9-c50e-426a-9173-5bf3cb720e2e).
Only evaluated on TRUST\_TYPE\_MIT | -| 0x200 | TRUST\_ATTRIBUTE\_CROSS\_ORGANIZATION\_NO\_TGT\_DELEGATION | If this bit is set, tickets granted under this trust MUST NOT be trusted for delegation. The behavior controlled by this bit is as specified in [\[MS-KILE\]](/openspecs/windows_protocols/ms-kile/2a32282e-dd48-4ad9-a542-609804b02cc9) section 3.3.5.7.5.
Only supported on Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016. | -| 0x400 | TRUST\_ATTRIBUTE\_PIM\_TRUST | If this bit and the TATE bit are set, then a cross-forest trust to a domain is to be treated as Privileged Identity Management trust for the purposes of SID Filtering. For more information on how each trust type is filtered, see [\[MS-PAC\]](/openspecs/windows_protocols/ms-pac/166d8064-c863-41e1-9c23-edaaa5f36962) section 4.1.2.2.
Evaluated only on Windows Server 2016
Evaluated only if SID Filtering is used.
Evaluated only on cross-forest trusts having TRUST\_ATTRIBUTE\_FOREST\_TRANSITIVE.
Can be set only if the forest and the trusted forest are running in a forest functional level of DS\_BEHAVIOR\_WINTHRESHOLD or greater. | - -- **SID Filtering** \[Type = UnicodeString\]: [SID Filtering](/previous-versions/windows/it-pro/windows-server-2003/cc772633(v=ws.10)) state for the new trust: - - - Enabled - - - Disabled - - If this attribute was not changed, then it will have “**-**“ value or its old value. - -## Security Monitoring Recommendations - -For 4716(S): Trusted domain information was modified. - -- Any changes in Active Directory domain trust settings must be monitored and alerts should be triggered. If this change was not planned, investigate the reason for the change. - -## Anonymous Logon account - -If the account reported in the event is **Anonymous Logon**, it means the password is changed by system automatic password reset. For example: - -``` -Log Name: Security -Source: Microsoft-Windows-Security-Auditing -Date: