Vidar Malware Conceals Payloads in JPEG, TXT Files to Evade Detection

Vidar has evolved from a basic Arkei-based credential stealer into a multi-stage, stealth-focused infostealer that now hides second‑stage payloads within JPEG and TXT files to evade modern defenses. First observed in 2018, Vidar now operates as a mature Malware‑as‑a‑Service (MaaS) with flexible deli