ClickFix Lures Deploy ChainScript RAT Using Polygon to Rotate C2 Infrastructure
Sep 21, 2026
Malware / Cybercrime
Threat actors are leveraging ClickFix-like lures to deliver a previously undocumented remote access trojan (RAT) called ChainScript . "ChainScript has appeared under multiple build names, including ComponentTask33, UpdateDigital, HostShared, and OrchidViolet66, while presenting itself as Spotify, Zoom Workplace, and Microsoft Teams software," Blackpoint Adversary Pursuit Group (APG) researchers Sam Decker, Andi Ursry, and Nevan Beal said . Like many malware families observed in recent months, ChainScript employs an EtherHiding -style command-and-control (C2) discovery technique that makes use of a Polygon smart contract to locate its active WebSocket infrastructure. ChainScript is a full-featured RAT that provides extensive remote access to the operator, including interactive CMD and PowerShell, file operations, screenshot capture, payload deployment, cryptocurrency wallet enumeration (both desktop apps and browser extensions), and remote JavaScript execution. The...