{"id":"d29ada0f-af45-4f27-8f32-f7b77c3dbc4e","title":"HackTool - SysmonEnte Execution","description":"Detects the use of SysmonEnte, a tool to attack the integrity of Sysmon","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-09-07","modified":"2023-11-28","tags":["attack.defense-impairment","attack.t1685.001"],"technique_ids":["T1685.001"],"logsource":{"category":"process_access","product":"windows"},"falsepositives":["Unknown"],"references":["https://codewhitesec.blogspot.com/2022/09/attacks-on-sysmon-revisited-sysmonente.html","https://github.com/codewhitesec/SysmonEnte/","https://github.com/codewhitesec/SysmonEnte/blob/fe267690fcc799fbda15398243615a30451d9099/screens/1.png"],"source_path":"rules/windows/process_access/proc_access_win_hktl_sysmonente.yml","source_sha256":"b04a46de56fd6c9660dc508547b695006576906b0e207000e3c28d027bf88667","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_access/proc_access_win_hktl_sysmonente.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: HackTool - SysmonEnte Execution\nid: d29ada0f-af45-4f27-8f32-f7b77c3dbc4e\nstatus: test\ndescription: Detects the use of SysmonEnte, a tool to attack the integrity of Sysmon\nreferences:\n    - https://codewhitesec.blogspot.com/2022/09/attacks-on-sysmon-revisited-sysmonente.html\n    - https://github.com/codewhitesec/SysmonEnte/\n    - https://github.com/codewhitesec/SysmonEnte/blob/fe267690fcc799fbda15398243615a30451d9099/screens/1.png\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-09-07\nmodified: 2023-11-28\ntags:\n    - attack.defense-impairment\n    - attack.t1685.001\nlogsource:\n    category: process_access\n    product: windows\ndetection:\n    selection_sysmon:\n        TargetImage|contains:\n            - ':\\Windows\\Sysmon.exe'\n            - ':\\Windows\\Sysmon64.exe'\n        GrantedAccess: '0x1400'\n    selection_calltrace:\n        CallTrace: 'Ente'\n    filter_main_generic:\n        SourceImage|contains:\n            - ':\\Program Files (x86)\\'\n            - ':\\Program Files\\'\n            - ':\\Windows\\System32\\'\n            - ':\\Windows\\SysWOW64\\'\n    filter_main_msdefender:\n        SourceImage|contains: ':\\ProgramData\\Microsoft\\Windows Defender\\Platform\\'\n        SourceImage|endswith: '\\MsMpEng.exe'\n    condition: ( selection_sysmon and not 1 of filter_main_* ) or selection_calltrace\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1685.001","id":"T1685.001","name":"Disable or Modify Windows Event Log","page":"techniques/enterprise/T1685.001/"}],"data_path":"data/detection-rules/d29ada0f-af45-4f27-8f32-f7b77c3dbc4e.json","kind":"sigma"}