Microsoft Patch Tuesday for May 2017 address tens security vulnerabilities, including a number of zero-day flaws exploited by Russian APT groups. Microsoft released security updates for Windows, Internet Explorer, Edge, Office, the.NET framework, and Flash Player on Tuesday. Researchers at FireEye investigated some attacks attributed to the Russian. APT28 group and an unknown financially-motivated threat actor. The unidentified financial group targeted regional and global banks with offices in the Middle East. The Turla group (aka Waterbug, KRYPTON, and Venomous Bear) has been exploiting an Office remote code execution.”]
Source: http://securityaffairs.co/wordpress/58937/cyber-crime/russian-apt-groups.html