http://www.malwarechallenge.info/challenge.html
Looks pretty cool, I might do it if I have some time. 
			
			
			
				I don't really know enough to do it :'(
			
			
			
				Hrm, I believe the system administrator should just buy nod32.  It seemed to find it no problem.
(http://maide.ca/public/random/pictures/malware.png)