Disable Windows Defender via Service

Detects Windows Defender disabling service installation

Sigma rule (View on GitHub)

 1title: Disable Windows Defender via Service
 2id: 92f0538f-ad13-4776-9366-b7351d51c4b8
 3status: test
 4description: Detects Windows Defender disabling service installation
 5references:
 6   - https://thedfirreport.com/2024/02/26/seo-poisoning-to-domain-control-the-gootloader-saga-continues/
 7author: _pete_0, TheDFIRReport
 8date: 2024-02-17
 9tags:
10    - attack.execution
11    - attack.t1569.002
12    - attack.t1562.001
13    - dist.public
14logsource:
15    product: windows
16    service: system
17detection:
18    selection_eid:
19        Provider_Name: 'Service Control Manager'
20        EventID: 7045
21    selection_image:
22        ImagePath|contains|all:
23            - 'Set-MpPreference'
24            - '-DisableRealtimeMonitoring'
25            - 'powershell'
26    condition: all of selection_*
27falsepositives:
28    - Unknown
29level: medium

References

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