{"id":"e8ebd53a-30c2-45bd-81bb-74befba07bdb","title":"HTTP Logging Disabled On IIS Server","description":"Detects changes to of the IIS server configuration in order to disable HTTP logging for successful requests.","author":"frack113","status":"test","level":"high","date":"2024-10-06","modified":"","tags":["attack.persistence","attack.defense-impairment","attack.t1685.001","attack.t1505.004"],"technique_ids":["T1505.004","T1685.001"],"logsource":{"product":"windows","service":"iis-configuration"},"falsepositives":["Unknown"],"references":["https://learn.microsoft.com/en-us/iis/manage/provisioning-and-managing-iis/configure-logging-in-iis","https://www.microsoft.com/en-us/security/blog/2022/12/12/iis-modules-the-evolution-of-web-shells-and-how-to-detect-them/","https://learn.microsoft.com/en-us/iis/configuration/system.webserver/httplogging"],"source_path":"rules/windows/builtin/iis-configuration/win_iis_logging_http_disabled.yml","source_sha256":"25b0f98b5c1b867ac81d5acec73f27a33e1a8120aa5899f835684399db2d8bcb","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/iis-configuration/win_iis_logging_http_disabled.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: HTTP Logging Disabled On IIS Server\nid: e8ebd53a-30c2-45bd-81bb-74befba07bdb\nstatus: test\ndescription: Detects changes to of the IIS server configuration in order to disable HTTP logging for successful requests.\nreferences:\n    - https://learn.microsoft.com/en-us/iis/manage/provisioning-and-managing-iis/configure-logging-in-iis\n    - https://www.microsoft.com/en-us/security/blog/2022/12/12/iis-modules-the-evolution-of-web-shells-and-how-to-detect-them/\n    - https://learn.microsoft.com/en-us/iis/configuration/system.webserver/httplogging\nauthor: frack113\ndate: 2024-10-06\ntags:\n    - attack.persistence\n    - attack.defense-impairment\n    - attack.t1685.001\n    - attack.t1505.004\nlogsource:\n    product: windows\n    service: iis-configuration\ndetection:\n    selection:\n        EventID: 29\n        Configuration: '/system.webServer/httpLogging/@dontLog'\n        NewValue: 'true'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1505.004","id":"T1505.004","name":"IIS Components","page":"techniques/enterprise/T1505.004/"},{"key":"enterprise/T1685.001","id":"T1685.001","name":"Disable or Modify Windows Event Log","page":"techniques/enterprise/T1685.001/"}],"data_path":"data/detection-rules/e8ebd53a-30c2-45bd-81bb-74befba07bdb.json","kind":"sigma"}