[FreeAtlanta]

How do they know how many hits a day are contacting the control server?

[veracious]

Intersting question. Assuming they know the server address, then it must be in some unknown location so no one can do anything about it. The server is either owned by the botnet providers or is controlled by the bot.

[Fresh Wind]

How do they know how many hits a day are contacting the control server?

They own the control server. They're Russians, after all.