{"id":"6a5f68d1-c4b5-46b9-94ee-5324892ea939","title":"Uninstall Sysinternals Sysmon","description":"Detects the removal of Sysmon, which could be a potential attempt at defense evasion","author":"frack113","status":"test","level":"high","date":"2022-01-12","modified":"2024-03-13","tags":["attack.defense-impairment","attack.t1685"],"technique_ids":["T1685"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate administrators might use this command to remove Sysmon for debugging purposes"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md#atomic-test-11---uninstall-sysmon"],"source_path":"rules/windows/process_creation/proc_creation_win_sysinternals_sysmon_uninstall.yml","source_sha256":"79b351fe0722d2e00a5cb881bc658b902380d309bdd9335db226e58263f74171","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_sysinternals_sysmon_uninstall.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Uninstall Sysinternals Sysmon\nid: 6a5f68d1-c4b5-46b9-94ee-5324892ea939\nstatus: test\ndescription: Detects the removal of Sysmon, which could be a potential attempt at defense evasion\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md#atomic-test-11---uninstall-sysmon\nauthor: frack113\ndate: 2022-01-12\nmodified: 2024-03-13\ntags:\n    - attack.defense-impairment\n    - attack.t1685\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_pe:\n        - Image|endswith:\n              - \\Sysmon64.exe\n              - \\Sysmon.exe\n        - Description: 'System activity monitor'\n    selection_cli:\n        CommandLine|contains|windash: '-u'\n    condition: all of selection_*\nfalsepositives:\n    - Legitimate administrators might use this command to remove Sysmon for debugging purposes\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1685","id":"T1685","name":"Disable or Modify Tools","page":"techniques/enterprise/T1685/"}],"data_path":"data/detection-rules/6a5f68d1-c4b5-46b9-94ee-5324892ea939.json","kind":"sigma"}