Energetic Bear/Crouching Yeti: attacks on servers
Energetic Bear/Crouching Yeti is a widely known APT group active since at least 2010. The group tends to attack different companies with a strong focus on the energy and industrial sectors. Companies attacked by Energetic Bear/Crouching Yeti are geographically distributed worldwide with a more obvious concentration in Europe and the US.
In 2016-2017, the number of attacks on companies in Turkey increased significantly.
Source: securelist.com