FBI's Secret Spyware Tracks Down Teen Who Made Bomb Threats

No cases have been publicly linked to such a capability until now, says David Sobel, a Washington, D.C., attorney with the Electronic Frontier Foundation. "It might just be that the defense lawyers are not sufficiently sophisticated to have their ears perk up when this methodology is revealed in a prosecution," says Sobel. "I think it's safe to say the use of such a technique raises novel and unresolved legal issues."

The June affidavit doesn't reveal whether the CIPAV can be configured to monitor keystrokes, or to allow the FBI real-time access to the computer's hard drive, like typical Trojan malware used by computer criminals. It notes that the "commands, processes, capabilities and ... configuration" of the CIPAV is "classified as a law enforcement sensitive investigative technique, the disclosure of which would likely jeopardize other ongoing investigations and/or future use of the technique."

The document is also silent as to how the spyware infiltrates the target's computer. In the Washington case, the FBI delivered the program through MySpace's messaging system, which allows HTML and embedded images. The FBI might have simply tricked the suspect into downloading and opening an executable file, says Roger Thompson, CTO of security vendor Exploit Prevention Labs. But the bureau could also have exploited one of the legion of web browser vulnerabilities discovered by computer-security researchers and cybercrooks -- or even used one of its own.

"It's quite possible the FBI knows about vulnerabilities that have not been disclosed to the rest of the world," says Thompson. "If they had discovered one, they would not have disclosed it, and that would be a great way to get stuff on people's computer. Then I guess they can bug whoever they want."

The FBI's 2008 budget request hints at the bureau's efforts in the hacking arena, including $220,000 sought to "purchase highly specialized equipment and technical tools used for covert (and) overt search and seizure forensic operations.… This funding will allow the technology challenges (sic) including bypass, defeat or compromise of computer systems."

With the FBI in the business of hacking, security companies are in a tight place. Thompson's LinkScanner product, for example, scans web pages for security exploits, and warns the customer if one is found. How would his company respond if the FBI asked him to turn a blind eye to CIPAV? He says he's never fielded such a request. "That would put us in a very difficult position," Thompson says. "I don't know what I'd say."

The Washington case unfolded May 30, when a handwritten bomb threat prompted the evacuation of Timberline High School in Lacey, Washington. No bomb was found.

On June 4, a second bomb threat was e-mailed to the school from a Gmail account that had been newly created under the name of an innocent student. "I will be blowing up your school Monday, June 4, 2007," the message read. "There are 4 bombs planted throughout Timberline high school. One in the math hall, library hall, main office and one portable. The bombs will go off in 5 minute intervals at 9:15 AM."

In addition, the message promised, "The e-mail server of your district will be offline starting at 8:45 am."

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