Tripwire creates a signature of binary files, and then checks to see if these files have been modified. Track binary file mods.
You can download it from the following link: https://packetstormsecurity.com/files/download/12862/tripwire-1.2.tar.gz
Source: https://packetstormsecurity.com/files/12862/tripwire-1.2.tar.gz.html