Hosting exploit/backdoor detection daemon.It's written in python , and uses inotify (pyinotify) to monitor file system activity.It checks files smaller then some size,compares their md5sum and hex signatures against DBs with known exploits/backdoor.
Honey IRC Drone is an IRC bot/drone (written in python) that sits on a botnet's IRC command and control server. The purpose is to simulate an actual bot from the botnet and monitor activities.