Samy (computer worm)

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Samy (also known as JS.Spacehero) is an XSS worm that was designed to propagate across the MySpace social-networking site written by Samy Kamkar. Within just 20 hours[1] of its October 4, 2005 release, over one million users had run the payload[2] making Samy the fastest spreading virus of all time.[3]

The worm itself was relatively harmless, it carried a payload that would display the string "but most of all, samy is my hero" on a victim's MySpace profile page. When a user viewed that profile page, the payload would then be replicated and planted on their own profile page continuing the distribution of the worm. MySpace has since secured its site against the vulnerability.[1]

Samy Kamkar, the author of the worm, was raided by the United States Secret Service and Electronic Crimes Task Force in 2006 for releasing the worm.[4] He entered a plea agreement on January 31, 2007 to a felony charge.[5] The action resulted in Kamkar being sentenced to three years probation without computer use, 90 days community service, and an undisclosed amount of restitution.


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