The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new cyber attack campaign by the Russia-linked APT28 (aka UAC-0001) threat actors using Signal chat messages to deliver two previously undocumented malware families dubbedd BEARDSHELL and COVENANT.
BEARDSHELL, per CERT-UA, is written in C++ and offers the ability to download and execute PowerShell scripts, as well as
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