Qsniffer is a simple ethernet sniffer written in C that works on most Unix systems and has filter expressions to filter the captured packets.
You can download it from the following link: https://packetstormsecurity.com/files/download/64203/Qsniffer-0.3.tar.gz
Source: https://packetstormsecurity.com/files/64203/Qsniffer-0.3.tar.gz.html