Disabled Windows Defender Eventlog

Detects the disabling of the Windows Defender eventlog as seen in relation to Lockbit 3.0 infections

Sigma rule (View on GitHub)

 1title: Disabled Windows Defender Eventlog
 2id: fcddca7c-b9c0-4ddf-98da-e1e2d18b0157
 3status: test
 4description: Detects the disabling of the Windows Defender eventlog as seen in relation to Lockbit 3.0 infections
 5references:
 6    - https://twitter.com/WhichbufferArda/status/1543900539280293889/photo/2
 7author: Florian Roth (Nextron Systems)
 8date: 2022/07/04
 9modified: 2023/08/17
10tags:
11    - attack.defense_evasion
12    - attack.t1562.001
13logsource:
14    category: registry_set
15    product: windows
16detection:
17    selection:
18        TargetObject|contains: '\Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-Windows Defender/Operational\Enabled'
19        Details: 'DWORD (0x00000000)'
20    condition: selection
21falsepositives:
22    - Other Antivirus software installations could cause Windows to disable that eventlog (unknown)
23level: high

References

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