Vidar-Style Dead-Drop Resolver via Telegram/Steam After Failed Primary C2

Ibrahim Saud@tektrix

•updated Jul 3, 2026•1•0•1

Detects instances where a process not typically associated with web browsing performs a DNS request for Telegram (telegram.me) or Steam Community (steamcommunity.com) domains, potentially indicating command and control (C2) or unauthorized data exfiltration activity.