Free Community Tool
CAST (CROWDSTRIKE ARCHIVE SCANNING TOOL)
Quickly scan file systems looking for versions of the Log4j code libraries.
CAST is a free community tool developed by CrowdStrike Services that performs a targeted search for Log4j libraries. The tool scans a given set of directories for JAR, WAR, ZIP and EAR files searching for approximately 6,500 SHA256 checksums that are unique to the known vulnerable Log4j releases.