Authorities disrupt router DNS hijacks used to steal Microsoft 365 logins

Authorities disrupt router DNS hijacks used to steal Microsoft 365 logins

An international operation from law enforcement authorities in partnership with private companies has disrupted FrostArmada, an APT28 campaign hijacking local traffic from MikroTik and TP-Link routers to steal Microsoft account credentials.

The Russian threat group APT28, also tracked as Fancy Bear, Sofacy, Forest Blizzard, Strontium, Storm-2754, and Sednit, has been linked to Russia’s General Staff Main Intelligence Directorate (GRU) 85th Main Special Service Center (GTsSS) military unit 26165.

In the FrostArmada attacks, the hackers compromised mainly small office/home office (SOHO) routers and altered the domain name system (DNS) settings to point to virtual private servers (VPS) under their control, which acted as DNS resolvers.

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