control servers

Washington Post: "At about 4:30 p.m. Eastern time last Tuesday, the volume of junk e-mail arriving at inboxes around the world suddenly plummeted by about 65 percent...But when McColo was taken offline by its Internet providers, so too were all of the botnet control servers located there, security experts said."

From Russia with political love? It appears so according to a deeper analysis of the command and control servers used by the attackers.