Looking for a repository of worms/trojans/ddos tools

[Brennen Reynolds <bereynolds () ucdavis edu>]

Hello All,

        I am hoping that someone can point me to a good repository of worms,
Trojans, DDoS tools that have been seen on the Internet over the past few
years. I have been able to find individual attack tools at various random
web sites, but have not found a central repository for this type of time. I
think this would be a valuable resources for those of us doing IDS or other
security system testing (in an isolated environment). If anyone has any
points I would much appreciate it (flames are ok too). Thanks.

Brennen Reynolds
Graduate Researcher
Security & Network Lab
University of California, Davis