user7gvcceaschallengecc eoin parker writes well really suitable true parallelism grid computing nodes grid constantly appearing disappearing grid owners find viruses turn machine disconnect internet etc also typically pretty crappy internode connections basic consumer broadband really limits many kinds practical grid use like seti yeah bittorrent cos consumer level broadband transient nodes doesnt mean cant perform large scale distributed task case criminal one ok arent grid computingstyle parallel apps point particular cant make much money phishing spam etc wondering business model clearly one programmed long term dont virus experts reverse engineer see long term botnet hire articles suggesting theyll find code would thought thing know spam send know ip addresses dos yep stuff reverse engineered already data delivered nodes master node somewhere network via p2p network built edonkey protocol since p2p network doesnt centralised model master nodes effectively hidden longterm plans arent already built code update subsystem drop new code master servers frequently like example weeks mp3 spam new storm feature j thu 07 aug 2008 004832 0100 ierant storm worm