{"id":"e9faba72-4974-4ab2-a4c5-46e25ad59e9b","title":"VSSAudit Security Event Source Registration","description":"Detects the registration of the security event source VSSAudit. It would usually trigger when volume shadow copy operations happen.","author":"Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)","status":"test","level":"informational","date":"2020-10-20","modified":"2022-04-28","tags":["attack.credential-access","attack.t1003.002"],"technique_ids":["T1003.002"],"logsource":{"product":"windows","service":"security"},"falsepositives":["Legitimate use of VSSVC. Maybe backup operations. It would usually be done by C:\\Windows\\System32\\VSSVC.exe."],"references":["https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1003.002/T1003.002.md#atomic-test-3---esentutlexe-sam-copy"],"source_path":"rules/windows/builtin/security/win_security_vssaudit_secevent_source_registration.yml","source_sha256":"69d1a4727d1df48f17ab4cb96698a6a4b37e0de475f0d62f728938ac080f30f8","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/security/win_security_vssaudit_secevent_source_registration.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: VSSAudit Security Event Source Registration\nid: e9faba72-4974-4ab2-a4c5-46e25ad59e9b\nstatus: test\ndescription: Detects the registration of the security event source VSSAudit. It would usually trigger when volume shadow copy operations happen.\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1003.002/T1003.002.md#atomic-test-3---esentutlexe-sam-copy\nauthor: Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)\ndate: 2020-10-20\nmodified: 2022-04-28\ntags:\n    - attack.credential-access\n    - attack.t1003.002\nlogsource:\n    product: windows\n    service: security\ndetection:\n    selection:\n        AuditSourceName: VSSAudit\n        EventID:\n            - 4904\n            - 4905\n    condition: selection\nfalsepositives:\n    - Legitimate use of VSSVC. Maybe backup operations. It would usually be done by C:\\Windows\\System32\\VSSVC.exe.\nlevel: informational\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1003.002","id":"T1003.002","name":"Security Account Manager","page":"techniques/enterprise/T1003.002/"}],"data_path":"data/detection-rules/e9faba72-4974-4ab2-a4c5-46e25ad59e9b.json","kind":"sigma"}