Seclog (security logger) is a log auditing tool written in Perl. It will watch /var/log/messages for suspicious information and notify you via email.
You can download it from the following link: https://packetstormsecurity.com/files/download/17187/seclogv03.tar.gz
Source: https://packetstormsecurity.com/files/17187/seclogv03.tar.gz.html

