lint/cleaned customize attack surface reduction

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martyav
2019-07-30 13:35:34 -04:00
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@ -20,10 +20,10 @@ manager: dansimp
**Applies to:**
- [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)
* [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)
>[!IMPORTANT]
>Some information relates to prereleased product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
> [!IMPORTANT]
> Some information relates to prereleased product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Attack surface reduction rules help prevent actions and apps that are typically used by exploit-seeking malware to infect machines. Attack surface reduction rules are supported on Windows Server 2019 as well as Windows 10 clients.
@ -35,8 +35,8 @@ You can use Group Policy, PowerShell, and MDM CSPs to configure these settings.
You can exclude files and folders from being evaluated by attack surface reduction rules. This means that even if an attack surface reduction rule detects that the file contains malicious behavior, the file will not be blocked from running.
>[!WARNING]
>This could potentially allow unsafe files to run and infect your devices. Excluding files or folders can severely reduce the protection provided by attack surface reduction rules. Files that would have been blocked by a rule will be allowed to run, and there will be no report or event recorded.
> [!WARNING]
> This could potentially allow unsafe files to run and infect your devices. Excluding files or folders can severely reduce the protection provided by attack surface reduction rules. Files that would have been blocked by a rule will be allowed to run, and there will be no report or event recorded.
An exclusion applies to all rules that allow exclusions. You can specify an individual file, folder path, or the fully qualified domain name for a resource, but you cannot limit an exclusion to certain rules.
@ -45,9 +45,8 @@ An exclusion is applied only when the excluded application or service starts. Fo
Attack surface reduction supports environment variables and wildcards. For information about using wildcards, see [Use wildcards in the file name and folder path or extension exclusion lists](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/configure-extension-file-exclusions-windows-defender-antivirus#use-wildcards-in-the-file-name-and-folder-path-or-extension-exclusion-lists).
If you are encountering problems with rules detecting files that you believe should not be detected, you should [use audit mode first to test the rule](evaluate-attack-surface-reduction.md).
Rule description | GUID
-|:-:|-
-|-|-
Block all Office applications from creating child processes | D4F940AB-401B-4EFC-AADC-AD5F3C50688A
Block execution of potentially obfuscated scripts | 5BEB7EFE-FD9A-4556-801D-275E5FFC04CC
Block Win32 API calls from Office macro | 92E97FA1-2EDF-4476-BDD6-9DD0B4DDDC7B
@ -64,7 +63,7 @@ Block Office communication applications from creating child processes | 26190899
Block Adobe Reader from creating child processes | 7674ba52-37eb-4a4f-a9a1-f0f9a1619a2c
Block persistence through WMI event subscription | e6db77e5-3df2-4cf1-b95a-636979351e5b
See the [attack surface reduction](attack-surface-reduction-exploit-guard.md) topic for details on each rule.
See the [attack surface reduction](attack-surface-reduction.md) topic for details on each rule.
### Use Group Policy to exclude files and folders
@ -87,8 +86,8 @@ See the [attack surface reduction](attack-surface-reduction-exploit-guard.md) to
Continue to use `Add-MpPreference -AttackSurfaceReductionOnlyExclusions` to add more folders to the list.
>[!IMPORTANT]
>Use `Add-MpPreference` to append or add apps to the list. Using the `Set-MpPreference` cmdlet will overwrite the existing list.
> [!IMPORTANT]
> Use `Add-MpPreference` to append or add apps to the list. Using the `Set-MpPreference` cmdlet will overwrite the existing list.
### Use MDM CSPs to exclude files and folders
@ -100,7 +99,6 @@ See the [Windows Security](../windows-defender-security-center/windows-defender-
## Related topics
- [Reduce attack surfaces with attack surface reduction rules](attack-surface-reduction-exploit-guard.md)
- [Enable attack surface reduction rules](enable-attack-surface-reduction.md)
- [Evaluate attack surface reduction rules](evaluate-attack-surface-reduction.md)
* [Reduce attack surfaces with attack surface reduction rules](attack-surface-reduction.md)
* [Enable attack surface reduction rules](enable-attack-surface-reduction.md)
* [Evaluate attack surface reduction rules](evaluate-attack-surface-reduction.md)