{"id":"a3ab73f1-bd46-4319-8f06-4b20d0617886","title":"Windows Defender Exploit Guard Tamper","description":"Detects when someone is adding or removing applications or folders from exploit guard \"ProtectedFolders\" or \"AllowedApplications\"\n","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-08-05","modified":"2022-12-06","tags":["attack.defense-impairment","attack.t1685"],"technique_ids":["T1685"],"logsource":{"product":"windows","service":"windefend"},"falsepositives":["Unlikely"],"references":["https://techcommunity.microsoft.com/t5/core-infrastructure-and-security/windows-10-controlled-folder-access-event-search/ba-p/2326088"],"source_path":"rules/windows/builtin/windefend/win_defender_config_change_exploit_guard_tamper.yml","source_sha256":"7aca173643418f94faeffe1863bdb1c6743bdbcf9b758eb9d1d7b495471ac36c","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/windefend/win_defender_config_change_exploit_guard_tamper.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Windows Defender Exploit Guard Tamper\nid: a3ab73f1-bd46-4319-8f06-4b20d0617886\nstatus: test\ndescription: |\n    Detects when someone is adding or removing applications or folders from exploit guard \"ProtectedFolders\" or \"AllowedApplications\"\nreferences:\n    - https://techcommunity.microsoft.com/t5/core-infrastructure-and-security/windows-10-controlled-folder-access-event-search/ba-p/2326088\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-08-05\nmodified: 2022-12-06\ntags:\n    - attack.defense-impairment\n    - attack.t1685\nlogsource:\n    product: windows\n    service: windefend\ndetection:\n    allowed_apps_key:\n        EventID: 5007 # The antimalware platform configuration changed.\n        NewValue|contains: '\\Windows Defender\\Windows Defender Exploit Guard\\Controlled Folder Access\\AllowedApplications\\'\n    allowed_apps_path:\n        NewValue|contains:\n            # Add more paths you don't allow in your org\n            - '\\Users\\Public\\'\n            - '\\AppData\\Local\\Temp\\'\n            - '\\Desktop\\'\n            - '\\PerfLogs\\'\n            - '\\Windows\\Temp\\'\n    protected_folders:\n        EventID: 5007 # The antimalware platform configuration changed.\n        # This will trigger on any folder removal. If you experience FP's then add another selection with specific paths\n        OldValue|contains: '\\Windows Defender\\Windows Defender Exploit Guard\\Controlled Folder Access\\ProtectedFolders\\'\n    condition: all of allowed_apps* or protected_folders\nfalsepositives:\n    - Unlikely\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/a3ab73f1-bd46-4319-8f06-4b20d0617886.json","kind":"sigma"}