Google leaked a 40-page report on Russian cyber espionage operations conducted by APT28. The report includes information collected by Google on the hacking activities conducted by its hackers. The document explicitly refers a couple of malware, the Sofacy and X-Agent, that are used by a sophisticated state-sponsored group targeting primarily former Soviet republics, NATO members, and other Western European countries The group focused its hacking campaign on targets that would be of interest to Russia, such as the Caucasus region with a focus on Georgia.”]
Source: http://securityaffairs.co/wordpress/56336/hacking/apt28-leaked-report.html