A not so Fancy game. Exploring the new “SkinnyBoy” Bear’s backdoor

APT + Intelligence Cluster25 todayJune 3, 2021

This paper presents an analysis of a new and never publicly reported malware internally dubbed as SkinnyBoy.

Based on long-term observations and technical evidences, Cluster25 cyber intelligence research team associates this implant, with medium-high degree of confidence, with the threat actor known as APT28 / Fancy Bear / Pawn Storm.

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General Cluster25 / February 15, 2021

Welcome

This is the welcome post for Cluster25 threat intelligence research blog. Through this space, the team will share analysis and evidence relating to internal global threat hunting activities. Happy reading!


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