Windows Defender Service Disabled - Registry
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About the rule
Rule Type
Standard
Rule Description
Detects when an attacker or tool disables the Windows Defender service (WinDefend) via the registry
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Registry value modified" AND (OBJECTNAME endswith "\Services\WinDefend\Start" OR (OBJECTNAME endswith "\Services\WinDefend" AND OBJECTVALUENAME = "Start")) AND (INFORMATION = "DWORD (0x00000004)" OR (CHANGES = 4 AND NEWTYPE = "REG_DWORD")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Ján Trenčanský, frack113, AlertIQ, Nasreddine Bencherchali
