lint/clean enable asr need to go back & work on EG references

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martyav
2019-07-30 15:15:57 -04:00
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@ -18,7 +18,7 @@ manager: dansimp
# Enable attack surface reduction rules
[Attack surface reduction rules](attack-surface-reduction-exploit-guard.md) help prevent actions and apps that malware often uses to infect computers. You can set attack surface reduction rules for computers running Windows 10 or Windows Server 2019.
[Attack surface reduction rules](attack-surface-reduction.md) help prevent actions and apps that malware often uses to infect computers. You can set attack surface reduction rules for computers running Windows 10 or Windows Server 2019.
Each ASR rule contains three settings:
@ -30,11 +30,11 @@ To use ASR rules, you need either a Windows 10 Enterprise E3 or E5 license. We r
You can enable attack surface reduction rules by using any of these methods:
- [Microsoft Intune](#intune)
- [Mobile Device Management (MDM)](#mdm)
- [System Center Configuration Manager (SCCM)](#sccm)
- [Group Policy](#group-policy)
- [PowerShell](#powershell)
* [Microsoft Intune](#intune)
* [Mobile Device Management (MDM)](#mdm)
* [System Center Configuration Manager (SCCM)](#sccm)
* [Group Policy](#group-policy)
* [PowerShell](#powershell)
Enterprise-level management such as Intune or SCCM is recommended. Enterprise-level management will overwrite any conflicting Group Policy or PowerShell settings on startup.
@ -50,8 +50,8 @@ You can exclude files and folders from being evaluated by most attack surface re
> [!IMPORTANT]
> File and folder exclusions do not apply to the following ASR rules:
>
>- Block process creations originating from PSExec and WMI commands
>- Block JavaScript or VBScript from launching downloaded executable content
> * Block process creations originating from PSExec and WMI commands
> * Block JavaScript or VBScript from launching downloaded executable content
You can specify individual files or folders (using folder paths or fully qualified resource names) but you can't specify which rules the exclusions apply to. An exclusion is applied only when the excluded application or service starts. For example, if you add an exclusion for an update service that is already running, the update service will continue to trigger events until the service is stopped and restarted.
@ -75,7 +75,7 @@ The following procedures for enabling ASR rules include instructions for how to
Use the [./Vendor/MSFT/Policy/Config/Defender/AttackSurfaceReductionRules](https://docs.microsoft.com/windows/client-management/mdm/policy-csp-defender#defender-attacksurfacereductionrules) configuration service provider (CSP) to individually enable and set the mode for each rule.
The following is a sample for reference, using [GUID values for ASR rules](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/attack-surface-reduction-exploit-guard#attack-surface-reduction-rules).
The following is a sample for reference, using [GUID values for ASR rules](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/attack-surface-reduction#attack-surface-reduction-rules).
OMA-URI path: ./Vendor/MSFT/Policy/Config/Defender/AttackSurfaceReductionRules
@ -83,9 +83,9 @@ Value: {75668C1F-73B5-4CF0-BB93-3ECF5CB7CC84}=2|{3B576869-A4EC-4529-8536-B80A776
The values to enable, disable, or enable in audit mode are:
- Disable = 0
- Block (enable ASR rule) = 1
- Audit = 2
* Disable = 0
* Block (enable ASR rule) = 1
* Audit = 2
Use the [./Vendor/MSFT/Policy/Config/Defender/AttackSurfaceReductionOnlyExclusions](https://docs.microsoft.com/windows/client-management/mdm/policy-csp-defender#defender-attacksurfacereductiononlyexclusions) configuration service provider (CSP) to add exclusions.
@ -119,10 +119,12 @@ Value: c:\path|e:\path|c:\Whitelisted.exe
3. Expand the tree to **Windows components** > **Windows Defender Antivirus** > **Windows Defender Exploit Guard** > **Attack surface reduction**.
4. Select **Configure Attack surface reduction rules** and select **Enabled**. You can then set the individual state for each rule in the options section:
- Click **Show...** and enter the rule ID in the **Value name** column and your desired state in the **Value** column as follows:
- Disable = 0
- Block (enable ASR rule) = 1
- Audit = 2
* Click **Show...** and enter the rule ID in the **Value name** column and your desired state in the **Value** column as follows:
* Disable = 0
* Block (enable ASR rule) = 1
* Audit = 2
![Group policy setting showing a blank attack surface reduction rule ID and value of 1](images/asr-rules-gp.png)
@ -179,9 +181,8 @@ Value: c:\path|e:\path|c:\Whitelisted.exe
> [!IMPORTANT]
> Use `Add-MpPreference` to append or add apps to the list. Using the `Set-MpPreference` cmdlet will overwrite the existing list.
## Related topics
- [Reduce attack surfaces with attack surface reduction rules](attack-surface-reduction-exploit-guard.md)
- [Evaluate attack surface reduction](evaluate-attack-surface-reduction.md)
- [Enable cloud-delivered protection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/enable-cloud-protection-windows-defender-antivirus)
* [Reduce attack surfaces with attack surface reduction rules](attack-surface-reduction.md)
* [Evaluate attack surface reduction](evaluate-attack-surface-reduction.md)
* [Enable cloud-delivered protection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/enable-cloud-protection-windows-defender-antivirus)