Microsoft Excel Add-In Loaded From Uncommon Location

Detects Microsoft Excel loading an Add-In (.xll) file from an uncommon location

Detection logic

Platform: Linux macOS Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: windows
Log source category: image_load

Some tuning might be required to allow or remove certain locations used by the rule if you consider them as safe locations

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
wazuh.com/blog/detecting-xll-files-used-for-dropping-fin7-jssloader-with-wazuh/	Unclassified	Only this detection cites it
www.mandiant.com/resources/blog/lnk-between-browsers	Threat report	3