Detectionhightest

Windows Defender Service Disabled - Registry

Detects when an attacker or tool disables the Windows Defender service (WinDefend) via the registry

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Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Ján Trenčanský, François Hubaut, AlertIQ, Nasreddine Bencherchali (Nextron Systems)Created Mon Aug 01Updated Mon Mar 25e1aa95de-610a-427d-b9e7-9b46cfafbe6awindows

Log Source

WindowsRegistry Set

ProductWindows← raw: windows

CategoryRegistry Set← raw: registry_set

Detection Logic

detection:
    selection:
        TargetObject|endswith: '\Services\WinDefend\Start'
        Details: 'DWORD (0x00000004)'
    condition: selection

False Positives

Administrator actions

References

MITRE ATT&CK

Tactics

Sub-techniques

Rule Metadata

Rule ID

e1aa95de-610a-427d-b9e7-9b46cfafbe6a

Status

test

Level

high

Type

Detection

Created

Mon Aug 01

Modified

Mon Mar 25

Author

Path

rules/windows/registry/registry_set/registry_set_disable_windows_defender_service.yml

Raw Tags

attack.defense-evasionattack.t1562.001