30 lines
1.0 KiB
YAML
30 lines
1.0 KiB
YAML
title: VSSAudit Security Event Source Registration
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author: Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)
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date: 2020/10/20
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description: Detects the registration of the security event source VSSAudit. It would
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usually trigger when volume shadow copy operations happen.
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detection:
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SELECTION_1:
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AuditSourceName: VSSAudit
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SELECTION_2:
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EventID: 4904
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SELECTION_3:
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EventID: 4905
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condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3))
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falsepositives:
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- Legitimate use of VSSVC. Maybe backup operations. It would usually be done by C:\Windows\System32\VSSVC.exe.
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id: e9faba72-4974-4ab2-a4c5-46e25ad59e9b
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level: medium
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logsource:
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product: windows
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service: security
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1003.002/T1003.002.md#atomic-test-3---esentutlexe-sam-copy
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status: experimental
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tags:
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- attack.credential_access
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- attack.t1003.002
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yml_filename: win_vssaudit_secevent_source_registration.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/builtin
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