Hacked computers receive updated spam tool
April 17, 2006APRIL 17, 2006 (IDG NEWS SERVICE) - Computers infected with a well-known piece of malware began downloading a new spam tool Sunday night used by hackers to send unwanted e-mail.
If a computer is infected with the Bagle worm, a hacker can download other malicious programs to the machine. In turn, those programs can send out spam to other machines without the knowledge of the user.
Source: http://www.computerworld.com/