FBI agents trying to track the source of e-mailed bomb threats against a Washington high school last month sent the suspect a secret surveillance program designed to surreptitiously monitor him and report back to a government server, according to an FBI affidavit obtained by Wired News.

The court filing offers the first public glimpse into the bureau's long-suspected spyware capability, in which the FBI adopts techniques more common to online criminals.

The software was sent to the owner of an anonymous MySpace profile linked to bomb threats against Timberline High School near Seattle. The code led the FBI to 15-year-old Josh Glazebrook, a student at the school, who on Monday pleaded guilty to making bomb threats, identity theft and felony harassment.

In an affidavit seeking a search warrant to use the software, filed last month in U.S. District Court in the Western District of Washington, FBI agent Norman Sanders describes the software as a "computer and internet protocol address verifier," or CIPAV.

Sanders wrote that the spyware program gathers a wide range of information, including the computer's IP address; MAC address; open ports; a list of running programs; the operating system type, version and serial number; preferred internet browser and version; the computer's registered owner and registered company name; the current logged-in user name and the last-visited URL.

The CIPAV then settles into a silent "pen register" mode, [...]

Article (with more technical details) continues at: http://www.wired.com/politics/law/news/2007/07/fbi_spyware/