You could also send some emails out to the makers of some anti-virus and malware software (McAfee, Kapersky, LavaSoft, etc.); I'm sure they have plenty of sampl

You could also send some emails out to the makers of some anti-virus and malware software (McAfee, Kapersky, LavaSoft, etc.); I'm sure they have plenty of samples they could offer you. Also, check out this list of big computer worms on Wikipedia, perhaps you could search around and find copies of them: http://en.wikipedia.org/wiki/Timeline_of_notable_computer_viruses_and_worms http://en.wikipedia.org/wiki/Timeline_of_notable_computer_vi...