Add or Set Windows Defender Exclusion

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About the rule

Rule Type

Standard

Rule Description

Detects the use of Add-MpPreference or Set-MpPreference commands to include exclusions in Windows Defender

Severity

Critical

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (COMMANDLINE contains "-exclusion" AND (COMMANDLINE contains "Add-MpPreference" OR COMMANDLINE contains "Set-MpPreference")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows