Disabling Windows Defender WMI Autologger Session via Reg.exe
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About the rule
Rule Type
Standard
Rule Description
Detects use of reg.exe to disable Windows Defender ETW Autologger sessions, potentially suppressing critical security and audit events as a defense evasion technique.
Severity
Critical
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND ((PROCESSNAME endswith "\reg.exe" OR ORIGINALFILENAME = "reg.exe") AND COMMANDLINE contains "\Control\WMI\Autologger\DefenderApiLogger,\Control\WMI\Autologger\DefenderAuditLogger" AND COMMANDLINE contains "start" AND COMMANDLINE contains "add " AND COMMANDLINE contains "0 " AND COMMANDLINE notcontains "0x00000001")
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Windows
Author
@Matt Anderson (Huntress)
