Domain
Cloud Atlas APT group targeted government organizations and commercial companies in Russia and Belarus during late 2025 and early 2026, employing phishing campaigns with malicious ZIP archives containing LNK shortcuts. The attackers deployed multiple backdoors including VBCloud for file theft and PowerShower for network reconnaissance. New tools identified include PowerCloud, which exfiltrates data to Google Sheets, and browser checker utilities. The group established persistence through reverse SSH tunnels, patched OpenSSH binaries, ReverseSocks, and Tor networking. Initial infection vectors included malicious shortcuts executing PowerShell scripts and exploiting CVE-2018-0802 in Microsoft Office. The attackers performed credential theft, RDP manipulation via termsrv.dll patching, and lateral movement across networks while maintaining multiple backup control channels.
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