{"id":"93d298a1-d28f-47f1-a468-d971e7796679","title":"Disable Tamper Protection on Windows Defender","description":"Detects disabling Windows Defender Tamper Protection","author":"Austin Songer @austinsonger","status":"test","level":"medium","date":"2021-08-04","modified":"2023-08-17","tags":["attack.defense-impairment","attack.t1685"],"technique_ids":["T1685"],"logsource":{"category":"registry_set","product":"windows"},"falsepositives":["Unknown"],"references":["https://www.tenforums.com/tutorials/123792-turn-off-tamper-protection-microsoft-defender-antivirus.html"],"source_path":"rules/windows/registry/registry_set/registry_set_disabled_tamper_protection_on_microsoft_defender.yml","source_sha256":"22226c9a32c546cf95d6b23665f055d37f0369c9142694cd7666371098edf4bd","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/registry/registry_set/registry_set_disabled_tamper_protection_on_microsoft_defender.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Disable Tamper Protection on Windows Defender\nid: 93d298a1-d28f-47f1-a468-d971e7796679\nstatus: test\ndescription: Detects disabling Windows Defender Tamper Protection\nreferences:\n    - https://www.tenforums.com/tutorials/123792-turn-off-tamper-protection-microsoft-defender-antivirus.html\nauthor: Austin Songer @austinsonger\ndate: 2021-08-04\nmodified: 2023-08-17\ntags:\n    - attack.defense-impairment\n    - attack.t1685\nlogsource:\n    category: registry_set\n    product: windows\ndetection:\n    selection:\n        TargetObject|contains: '\\Microsoft\\Windows Defender\\Features\\TamperProtection'\n        Details: DWORD (0x00000000)\n    filter_msmpeng_client: # only disabled temporarily during updates\n        Image|startswith: 'C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\'\n        Image|endswith: '\\MsMpEng.exe'\n    filter_msmpeng_domain_controller: # only disabled temporarily during updates\n        Image: 'C:\\Program Files\\Windows Defender\\MsMpEng.exe'\n    condition: selection and not 1 of filter_*\nfalsepositives:\n    - Unknown\nlevel: medium\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/93d298a1-d28f-47f1-a468-d971e7796679.json","kind":"sigma"}