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severe base noise reduction
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olafhartong committed Sep 20, 2023
1 parent db5a12a commit 5cd2c60
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14 changes: 14 additions & 0 deletions 10_process_access/exclude_azure_monitor.xml
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<Sysmon schemaversion="4.30">
<EventFiltering>
<RuleGroup name="" groupRelation="or">
<ProcessAccess onmatch="exclude">
<Rule groupRelation="and">
<SourceImage condition="is">C:\Program Files\Microsoft Monitoring Agent\Agent\MonitoringHost.exe</SourceImage>
<TargetImage condition="is">C:\Windows\system32\cscript.exe</TargetImage>
</Rule>
<SourceImage condition="contains all">C:\WindowsAzure\GuestAgent_;CollectGuestLogs.exe</SourceImage>
<SourceImage condition="is">C:\Program Files\Microsoft Monitoring Agent\Agent\HealthService.exe</SourceImage>
</ProcessAccess>
</RuleGroup>
</EventFiltering>
</Sysmon>
10 changes: 10 additions & 0 deletions 10_process_access/exclude_defender_for_endpoint copy.xml
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<Sysmon schemaversion="4.30">
<EventFiltering>
<RuleGroup name="" groupRelation="or">
<ProcessAccess onmatch="exclude">
<SourceImage condition="is">C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe</SourceImage>
<SourceImage condition="contains all">C:\ProgramData\Microsoft\Windows Defender Advanced Threat Protection\DataCollection\;\OpenHandleCollector.exe</SourceImage>
</ProcessAccess>
</RuleGroup>
</EventFiltering>
</Sysmon>
25 changes: 25 additions & 0 deletions 7_image_load/exclude_very_verbose.xml
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<!--COMMENT: Filtering these commonly loaded DLLs, which are so verbose they incur a lot of cost and have limited to no detection value-->
<Sysmon schemaversion="4.30">
<EventFiltering>
<RuleGroup name="" groupRelation="or">
<ImageLoad onmatch="exclude">
<Rule groupRelation="and">
<Image condition="is">C:\Windows\System32\svchost.exe</Image>
<ImageLoaded condition="is">C:\Windows\System32\netapi32.dll</ImageLoaded>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\System32\svchost.exe</Image>
<ImageLoaded condition="is">C:\Windows\System32\msvcp110_win.dll</ImageLoaded>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\System32\svchost.exe</Image>
<ImageLoaded condition="is">C:\Windows\System32\dsreg.dll</ImageLoaded>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\System32\svchost.exe</Image>
<ImageLoaded condition="is">C:\Windows\System32\perfctrs.dll</ImageLoaded>
</Rule>
</ImageLoad>
</RuleGroup>
</EventFiltering>
</Sysmon>

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