GRU Unit 26165

Actor Type Nation State
Attributed to Nation Russia
Associated Intrusion Sets Forest Blizzard , STRONTIUM , Fancy Bear , APT28

GRU Unit 26165 is also known as the 85th Main Special Service Center (GTsSS). GTsSS has been publicly attributed as the threat actor behind APT28 or FANCY BEAR. CISA reports that the group primarily targets government organizations, travel and hospitality entities, research institutions, and non-governmental organizations, in addition to other critical infrastructure organizations.

Cyber Threat Graph Context

Explore how this cyber threat actor relates to the wider threat graph

GRU Unit 26165 Threat Reports

Report

Analyzing Forest Blizzard’s custom post-compromise tool for exploiting CVE-2022-38028 to obtain credentials

This blog post by researchers at Microsoft Threat Intelligence outlines activity they observed by Forest Blizzard using a tool they named ...

References