A piece of malware linked by U.intelligence agencies to hackers believed to be backed by the Russian government remains a mystery to the private sector, which apparently hasn’t found a single sample of the malware, and one researcher went as far as suggesting that it may be a false flag set up by the United States itself.
Link: The Drovorub Mystery: Malware NSA Warned About Can’t Be Found
via http://www.securityweek.com