Azure WAF Log4j CVE-2021-44228 hunting
This hunting query searches possible exploitation attempts for CVE-2021-44228 involving log4j vulnerability in Azure Web Application Firewall logs.
Detection logic
Detection requirements
- Platform
- ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- waf
- Log source service
- azurediagnostics
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
No references are available for this detection.
From the source
- At source
- Open at source
- Upstream identifier
- 1d4d383e-0ca6-4d3a-a861-8f37aeef18cb
- Tagged by the source as
- InitialAccess
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Aug 29, 2026
- Version
- 1