itiB
37 lines
1.1 KiB
YAML
37 lines
1.1 KiB
YAML
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title: Windows Defender Exclusion Set
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ruletype: Sigma
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author: '@BarryShooshooga'
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date: 2019/10/26
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description: Detects scenarios where an windows defender exclusion was added in registry
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where an entity would want to bypass antivirus scanning from windows defender
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detection:
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SELECTION_1:
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EventID: 4657
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SELECTION_2:
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EventID: 4656
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SELECTION_3:
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EventID: 4660
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SELECTION_4:
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EventID: 4663
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SELECTION_5:
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ObjectName: '*\Microsoft\Windows Defender\Exclusions\\*'
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condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3 or SELECTION_4) and SELECTION_5)
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falsepositives:
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- Intended inclusions by administrator
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id: e9c8808f-4cfb-4ba9-97d4-e5f3beaa244d
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level: high
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logsource:
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definition: 'Requirements: Audit Policy : Security Settings/Local Policies/Audit
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Policy, Registry System Access Control (SACL): Auditing/User'
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product: windows
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service: security
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modified: 2021/11/27
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references:
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- https://www.bleepingcomputer.com/news/security/gootkit-malware-bypasses-windows-defender-by-setting-path-exclusions/
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status: test
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tags:
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- attack.defense_evasion
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- attack.t1089
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- attack.t1562.001
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