Code Red was a bundle of laughs

[ciphergoth]

The following is an analysis of a worst case virulence for a computer worm, using existing mechanisms and a modified infection strategy. Such a "Warhol Worm" could infect every vulnerable machine in a 15 minute time period, outpacing human defense.

http://www.cs.berkeley.edu/~nweaver/warhol.html

I'm not totally convinced by his timing analysis - I look forward to seeing the simulator results...