Exactly five years afters the Slammer worm wreaked havoc on the Internet, database security guru David Litchfield has come up with an idea that might help pinpoint the author of the worm code. Litchfield, who was credited with discovering the MS02-039 vulnerability that was exploited by Slammer, says there are already clues in the worm code that suggest it may have been written by two people. "There are two distinctive styles at play," Litchfield wrote on his blog , pointing to examples in the worm code where both styles (one efficient, one not so efficient) were used.
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