Security Service Disabled Via Reg.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects execution of "reg.exe" to disable security services such as Windows Defender.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (COMMANDLINE contains "reg" AND COMMANDLINE contains "add") AND ((COMMANDLINE contains "d 4" AND COMMANDLINE contains "v Start") AND COMMANDLINE contains "\AppIDSvc,\MsMpSvc,\NisSrv,\SecurityHealthService,\Sense,\UsoSvc,\WdBoot,\WdFilter,\WdNisDrv,\WdNisSvc,\WinDefend,\wscsvc,\wuauserv")
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
Florian Roth (Nextron Systems), John Lambert (idea), elhoim
