Inhospitable: Tracking Russian Cyber Espionage Infrastructure
released on 2026-08-26 @ 09:58:59 PM
This analysis examines infrastructure used by multiple Russian cyber espionage clusters targeting individuals in academia, think tanks, and organizations across Europe and the United States. The investigation expands on three threat clusters (UNC6293, UNC7005, and UNC5976) that employed OAuth phishing, Microsoft device code phishing, and WhatsApp targeting. UNC6293 utilized lure domains impersonating the Council on Foreign Relations and government portals, with possible Evilginx configurations. UNC7005 demonstrated lower sophistication with poor operational security, using domains like my-invite[.]org for phishing campaigns. UNC5976 employed Google Drive impersonation domains for OAuth phishing. The analysis leverages historical DNS data, CSS hash similarities, favicon analysis, registration patterns, and certificate information to identify additional infrastructure and tracking methods for discovering related malicious domains and IP addresses.