Windows Defender Exclusions Added - PowerShell
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About the rule
Rule Type
Standard
Rule Description
Detects modifications to the Windows Defender configuration settings using PowerShell to add exclusions
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains " -ExclusionPath , -ExclusionExtension , -ExclusionProcess , -ExclusionIpAddress " AND SCRIPTEXECUTED contains "Add-MpPreference ,Set-MpPreference "
select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED,Action1.DOMAIN,Action1.PATH,Action1.USERNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Tim Rauch, Elastic (idea)
