{"id":"4d7cda18-1b12-4e52-b45c-d28653210df8","title":"Sysmon Driver Unloaded Via Fltmc.EXE","description":"Detects possible Sysmon filter driver unloaded via fltmc.exe","author":"Kirill Kiryanov, oscd.community","status":"test","level":"high","date":"2019-10-23","modified":"2023-02-13","tags":["attack.stealth","attack.defense-impairment","attack.t1070","attack.t1685","attack.t1685.001"],"technique_ids":["T1070","T1685","T1685.001"],"logsource":{"product":"windows","category":"process_creation"},"falsepositives":["Unlikely"],"references":["https://www.darkoperator.com/blog/2018/10/5/operating-offensively-against-sysmon"],"source_path":"rules/windows/process_creation/proc_creation_win_fltmc_unload_driver_sysmon.yml","source_sha256":"7886d74d9883898b45473e0ab1f655b0510faab52656f50af0000550d66a9048","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_fltmc_unload_driver_sysmon.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 Driver Unloaded Via Fltmc.EXE\nid: 4d7cda18-1b12-4e52-b45c-d28653210df8\nrelated:\n    - id: 4931188c-178e-4ee7-a348-39e8a7a56821 # Generic\n      type: similar\nstatus: test\ndescription: Detects possible Sysmon filter driver unloaded via fltmc.exe\nreferences:\n    - https://www.darkoperator.com/blog/2018/10/5/operating-offensively-against-sysmon\nauthor: Kirill Kiryanov, oscd.community\ndate: 2019-10-23\nmodified: 2023-02-13\ntags:\n    - attack.stealth\n    - attack.defense-impairment\n    - attack.t1070\n    - attack.t1685\n    - attack.t1685.001\nlogsource:\n    product: windows\n    category: process_creation\ndetection:\n    selection_img:\n        - Image|endswith: '\\fltMC.exe'\n        - OriginalFileName: 'fltMC.exe'\n    selection_cli:\n        CommandLine|contains|all:\n            - 'unload'\n            - 'sysmon'\n    condition: all of selection_*\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1070","id":"T1070","name":"Indicator Removal","page":"techniques/enterprise/T1070/"},{"key":"enterprise/T1685","id":"T1685","name":"Disable or Modify Tools","page":"techniques/enterprise/T1685/"},{"key":"enterprise/T1685.001","id":"T1685.001","name":"Disable or Modify Windows Event Log","page":"techniques/enterprise/T1685.001/"}],"data_path":"data/detection-rules/4d7cda18-1b12-4e52-b45c-d28653210df8.json","kind":"sigma"}