Witty worm flaws reveal source, initial targets

Wednesday, 25 May 2005, 2:07 PM EST

The Witty worm, which infected more than 12,000 servers a year ago, came from a single computer in Europe and used a U.S. military base's vulnerable systems to kick-start the epidemic, according to an analysis released by three researchers this week.

The researchers combined records from the initial spread of the Witty worm along with an analysis of the random number generator used by the program to pick its targets and discovered that the worm almost certainly spread initially from a computer owned by a customer of a European ISP.

By Robert Lemos at SecurityFocus.

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