Sigma rule: HTTP Logging Disabled On IIS Server

Rule

Title

HTTP Logging Disabled On IIS Server

Status

test

Level

high

Author

frack113

Date

2024-10-06

File

rules/windows/builtin/iis-configuration/win_iis_logging_http_disabled.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects changes to of the IIS server configuration in order to disable HTTP logging for successful requests.

Log source

product

windows

service

iis-configuration

Detection

selection:
    EventID: 29
    Configuration: '/system.webServer/httpLogging/@dontLog'
    NewValue: 'true'
condition: selection

False positives (as the rule lists them)

• Unknown

Tags

• attack.persistence
• attack.defense-impairment
• attack.t1685.001
• attack.t1505.004

MITRE ATT&CK ids this rule names

• T1505.004
• T1685.001

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

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/iis-configuration/win_iis_logging_http_disabled.yml