Log4J - Local checks to find Log4J on individual computers

This document collects suggestions on ways to check individual computers for the presence of Log4J.

Note: Cybersecurity is providing this information "as is." We have not assessed the effectiveness or safety of any scanners or scripts. Use at your own risk.

Scanners/Scripts:

CERT Coordination Center scanner:
https://github.com/CERTCC/CVE-2021-44228_scanner

Back2Root Log4shell-rex:
https://github.com/back2root/log4shell-rex

LunaSec scanner:
https://github.com/lunasec-io/lunasec/releases/

Operating Systems:

Searching the filesystem on Linux or macOS:

find / -name 'log4j*.jar' -ls
find / -type f -name '*log4j*'
find / -type f | fgrep -i log4j
locate -i log4j

For Windows using PowerShell:
Get-WmiObject Win32_Process | Select-Object CommandLine | findstr log4j