seclog – Seclog (security logger) is a log auditing tool written in Perl.

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/16963/seclog

Source: https://packetstormsecurity.com/files/16963/seclog.html