No one can guess where Russian spies hides their control servers

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A Russian hacking group, that has targeted the governments for years, around the world is experimenting with a clever new method that uses social media sites to conceal espionage malware once it infects a network of interest.

Researchers from antivirus provider Eset, says, a recently discovered backdoor Trojan used comments posted to Britney Spears's official Instagram account to locate the control server that sends instructions and offloads stolen data to and from infected computers.

The innovation—by a so-called advanced persistent threat group known as Turla—makes the malware harder to detect because attacker-controlled servers are never directly referenced in either the malware or in the comment it accesses.