{"id":"130c9e58-28ac-4f83-8574-0a4cc913b97e","title":"Potential Winnti Dropper Activity","description":"Detects files dropped by Winnti as described in RedMimicry Winnti playbook","author":"Alexander Rausch","status":"test","level":"high","date":"2020-06-24","modified":"2023-01-05","tags":["attack.stealth","attack.t1027"],"technique_ids":["T1027"],"logsource":{"product":"windows","category":"file_event"},"falsepositives":["Unknown"],"references":["https://redmimicry.com/posts/redmimicry-winnti/#dropper"],"source_path":"rules/windows/file/file_event/file_event_win_redmimicry_winnti_filedrop.yml","source_sha256":"97b9fff6058e3a798efea2a9c4ab85eabed97cd2753b74bb256d4d9db8d3caa5","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_event/file_event_win_redmimicry_winnti_filedrop.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potential Winnti Dropper Activity\nid: 130c9e58-28ac-4f83-8574-0a4cc913b97e\nstatus: test\ndescription: Detects files dropped by Winnti as described in RedMimicry Winnti playbook\nreferences:\n    - https://redmimicry.com/posts/redmimicry-winnti/#dropper\nauthor: Alexander Rausch\ndate: 2020-06-24\nmodified: 2023-01-05\ntags:\n    - attack.stealth\n    - attack.t1027\nlogsource:\n    product: windows\n    category: file_event\ndetection:\n    selection:\n        TargetFilename|endswith:\n            - '\\gthread-3.6.dll'\n            - '\\sigcmm-2.4.dll'\n            - '\\Windows\\Temp\\tmp.bat'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1027","id":"T1027","name":"Obfuscated Files or Information","page":"techniques/enterprise/T1027/"}],"data_path":"data/detection-rules/130c9e58-28ac-4f83-8574-0a4cc913b97e.json","kind":"sigma"}