"Feds Are Suspects in New Malware That Attacks Tor Anonymity."-Wired.
Security researchers tonight are poring over a piece of malicious software that takes advantage of a Firefox security vulnerability to identify some users of the privacy-protecting Tor anonymity network.
The malware showed up Sunday morning on multiple websites hosted by the anonymous hosting company Freedom Hosting. That would normally be considered a blatantly criminal “drive-by” hack attack, but nobody’s calling in the FBI this time. The FBI is the prime suspect.
“It just sends identifying information to some IP in Reston, Virginia,” says reverse-engineer Vlad Tsyrklevich. “It’s pretty clear that it’s FBI or it’s some other law enforcement agency that’s U.S.-based.”
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Tor hidden services are ideal for websites that need to evade surveillance or protect users’ privacy to an extraordinary degree – which can include human rights groups and journalists. But it also naturally appeals to serious criminal elements.