InformationalSplunk security content Raven Tait +1

Windows Theme File Creation in Unusual Location

Detects theme files being created in unusual locations. These files, used to customize desktop appearances, have been used for remote code execution and NTLM coercion attacks.

Detection logic

Detection requirements

Platform: Windows
The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.
Log source category: sysmon_eventid_11

Known benign triggers

Legitimate customization or IT management may use theme files that trigger this detection. Review and allow trusted themes from authorized sources.

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
www.darkreading.com/vulnerabilities-threats/recurring-windows-flaw-could-expose-user-credentials	Unclassified	Only this detection cites it

Detection rules

Windows Theme File Creation in Unusual Location

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules