Microsoft announced Thursday that it was granted permission by the US District Court for the Eastern District of Virginia to wrest control of the "Nitol" bonnet. In the filing, Microsoft described how it purchased computers from several districts in China, and approximately 20 percent of them came pre-infected with the malware. Titled "Operation B70" by Microsoft, the seizure of the botnet hubs is the latest attack that the manufacturer has undertaken in an attempt to derail large-scale internet crime operations based off of its operating system.