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Inside the REMUS Infostealer: Session Theft, MaaS, and Rapid Evolution

📅 15 May 2026 at 14:02 UTC📰 Bleeping ComputerView original source ↗
Inside the REMUS Infostealer: Session Theft, MaaS, and Rapid Evolution

Stolen browser sessions and authentication tokens are becoming more valuable than stolen passwords. Flare explains how the REMUS infostealer evolved around session theft and operational scalability. [...]

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

The REMUS infostealer malware has evolved into a commercial MaaS operation with a focus on session theft, cookie collection, and browser-side authentication artifacts, showcasing the growing value of cookies in cybercrime.

⚙️Technical Details
💥Impact Assessment
Severity: high
Who Is at Risk
Commercial and enterprise organizations with browser-based applications
🛡️Recommended Actions
1Implement browser-side security patches and updates
2Monitor for suspicious activity on Telegram channels and dark web markets
3Use cookie-based authentication artifacts to detect potential breaches
📦Affected Products
Product Family: browser software

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