computer virus

Published October 8, 2010 | By Bman

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machines are often referred to as botnets and are very commonly used by spam senders for sending junk email or to cloak their website’s address.[1] Spammers are therefore thought to be a source of funding for the creation of such worms,[2][3] and the worm writers have been caught selling lists of IP addresses of infected machines.[4] Others try to blackmail companies with threatened DoS attacks.[5]

Backdoors can be exploited by other malware, including worms. Examples include Doomjuice, which spreads better using the backdoor opened by Mydoom, and at least one instance of malware taking advantage of the rootkit and backdoor installed by the Sony/BMG DRM software utilized by millions of music CDs prior to late 2005.

Worms with good intent

Beginning with the very first research into worms at Xerox PARC there have been attempts to create useful worms. The Nachi