{"id":"18beca67-ab3e-4ee3-ba7a-a46ca8d7d0cc","title":"Sysmon Channel Reference Deletion","description":"Potential threat actor tampering with Sysmon manifest and eventually disabling it","author":"Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)","status":"test","level":"high","date":"2020-07-14","modified":"2025-10-22","tags":["attack.persistence","attack.defense-impairment","attack.t1112"],"technique_ids":["T1112"],"logsource":{"product":"windows","service":"security"},"falsepositives":["Unknown"],"references":["https://twitter.com/Flangvik/status/1283054508084473861","https://twitter.com/SecurityJosh/status/1283027365770276866","https://securityjosh.github.io/2020/04/23/Mute-Sysmon.html","https://gist.github.com/Cyb3rWard0g/cf08c38c61f7e46e8404b38201ca01c8"],"source_path":"rules/windows/builtin/security/win_security_sysmon_channel_reference_deletion.yml","source_sha256":"6b6edf258a2f7db1dfc08dd6b180422e1df4f63345980443838f5cc10b4b5dab","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/security/win_security_sysmon_channel_reference_deletion.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Sysmon Channel Reference Deletion\nid: 18beca67-ab3e-4ee3-ba7a-a46ca8d7d0cc\nstatus: test\ndescription: Potential threat actor tampering with Sysmon manifest and eventually disabling it\nreferences:\n    - https://twitter.com/Flangvik/status/1283054508084473861\n    - https://twitter.com/SecurityJosh/status/1283027365770276866\n    - https://securityjosh.github.io/2020/04/23/Mute-Sysmon.html\n    - https://gist.github.com/Cyb3rWard0g/cf08c38c61f7e46e8404b38201ca01c8\nauthor: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)\ndate: 2020-07-14\nmodified: 2025-10-22\ntags:\n    - attack.persistence\n    - attack.defense-impairment\n    - attack.t1112\nlogsource:\n    product: windows\n    service: security\ndetection:\n    selection1:\n        EventID: 4657\n        ObjectName|contains:\n            - 'WINEVT\\Publishers\\{5770385f-c22a-43e0-bf4c-06f5698ffbd9}'\n            - 'WINEVT\\Channels\\Microsoft-Windows-Sysmon/Operational'\n        ObjectValueName: 'Enabled'\n        NewValue: 0\n    selection2:\n        EventID: 4663\n        ObjectName|contains:\n            - 'WINEVT\\Publishers\\{5770385f-c22a-43e0-bf4c-06f5698ffbd9}'\n            - 'WINEVT\\Channels\\Microsoft-Windows-Sysmon/Operational'\n        AccessMask: '0x10000'\n    condition: 1 of selection*\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1112","id":"T1112","name":"Modify Registry","page":"techniques/enterprise/T1112/"}],"data_path":"data/detection-rules/18beca67-ab3e-4ee3-ba7a-a46ca8d7d0cc.json","kind":"sigma"}