{"id":"00bb5bd5-1379-4fcf-a965-a5b6f7478064","title":"Windows Firewall Settings Have Been Changed","description":"Detects activity when the settings of the Windows firewall have been changed","author":"frack113, Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"low","date":"2022-02-19","modified":"2023-04-21","tags":["attack.defense-impairment","attack.t1686.003"],"technique_ids":["T1686.003"],"logsource":{"product":"windows","service":"firewall-as"},"falsepositives":[],"references":["https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd364427(v=ws.10)"],"source_path":"rules/windows/builtin/firewall_as/win_firewall_as_setting_change.yml","source_sha256":"177b010cec31ea8e3152b3f1128b89d9326083bfb3be3771ba02ca97e595186f","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/firewall_as/win_firewall_as_setting_change.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 Firewall Settings Have Been Changed\nid: 00bb5bd5-1379-4fcf-a965-a5b6f7478064\nstatus: test\ndescription: Detects activity when the settings of the Windows firewall have been changed\nreferences:\n    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd364427(v=ws.10)\nauthor: frack113, Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-02-19\nmodified: 2023-04-21\ntags:\n    - attack.defense-impairment\n    - attack.t1686.003\nlogsource:\n    product: windows\n    service: firewall-as\ndetection:\n    selection:\n        EventID:\n            - 2002 # A Windows Defender Firewall setting has changed.\n            - 2083 # A Windows Defender Firewall setting has changed. (Windows 11)\n            - 2003 # A Windows Firewall setting in the profile has changed\n            - 2082 # A Windows Defender Firewall setting in the %1 profile has changed. (Windows 11)\n            - 2008  # Windows Firewall Group Policy settings have changed. The new settings have been applied\n            # - 2010  # Network profile changed on an interface.\n    condition: selection\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1686.003","id":"T1686.003","name":"Windows Host Firewall","page":"techniques/enterprise/T1686.003/"}],"data_path":"data/detection-rules/00bb5bd5-1379-4fcf-a965-a5b6f7478064.json","kind":"sigma"}