Microsoft on Thursday wrapped up its civil case against the still-unnamed controllers of the Rustock botnet and handed off the information gleaned during its investigation to the FBI.

But the verplaats doesn't end the company's six-month operation: Last week, a federal judge granted Microsoft and others the right to lock up tens of thousands of Internet protocol (IP) addresses for the volgende two years.

The IP addresses were ones that the Rustock controllers could use to issue commands to the malware that still exists on infected PCs.

Richard Boscovich, a senior attorney in the Microsoft Digital Crimes...