BlueBravo Deploys GraphicalProton Backdoor Against European Diplomatic Entities


The Russian nation-state actor known as BlueBravo has been observed targeting diplomatic entities throughout Eastern Europe with the goal of delivering a new backdoor called GraphicalProton, exemplifying the continuous evolution of the threat.

The phishing campaign is characterized by the use of legitimate internet services (LIS) for command-and-control (C2) obfuscation, Recorded Future said in a new report published Thursday. The activity was observed between March and May 2023.

BlueBravo, also known by the names APT29, Cloaked Ursa, and Midnight Blizzard (formerly Nobelium), is attributed to Russia’s Foreign Intelligence Service (SVR), and has in the past used Dropbox, Firebase, Google Drive, Notion, and Trello to evade detection and stealthily establish communications with infected hosts.

Read more…