Coyote Malware Evolves with WhatsApp Web Propagation

Coyote malware, initially spread through phishing in 2022, has evolved to use WhatsApp Web for propagation. By 2025, it employed sophisticated techniques like script-driven payloads and browser automation. The malware's latest iteration, Water Saci, features a modular architecture and advanced command-and-control mechanisms, highlighting the increasing sophistication of cyber threats targeting financial and messaging platforms.

Latest mentioned: 10-29
Earliest mentioned: 10-28