Insights, news, education and announcements from PolySwarm | Rust Malware

RustyWater: Muddy Water’s Rust-Based Implant

Jan 16, 2026 1:42:59 PM / by The Hivemind posted in Threat Bulletin, APT, Muddy Water, Spear Phishing, Rust Malware, Middle East targeting, RustyWater, RUSTRIC, Rust implant, Archer RAT

Verticals Targeted: Diplomatic, Maritime, Financial, Telecom
Regions Targeted: Middle East
Related Families: Archer RAT / RUSTRIC

Executive Summary

A spear-phishing campaign linked to the Muddy Water APT group was observed deploying a new Rust-based implant called RustyWater against organizations in the Middle East. This evolution from legacy PowerShell and VBS tooling introduces enhanced modularity, anti-analysis features, and asynchronous command-and-control capabilities.

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EDDIESTEALER

Jun 9, 2025 12:29:15 PM / by The Hivemind posted in Threat Bulletin, Infostealer, Data Theft, social engineering, Emerging Threat, EDDIESTEALER, Rust Malware, CAPTCHA Campaign, ClickFix, PowerShell Attack, ChromeKatz, Cybersecurity

Verticals Targeted: Not specified
Regions Targeted: Not specified
Related Families: None

Executive Summary

EDDIESTEALER is a Rust-based infostealer distributed through deceptive CAPTCHA campaigns, leveraging social engineering to steal sensitive data like credentials and cryptocurrency wallet details. Its advanced obfuscation and ChromeKatz integration highlight the growing sophistication of commodity malware.

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