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TrendAI™ Research breaks down Quasar Linux (QLNX), a previously undocumented sophisticated Linux RAT with low detection rates. In this blog, we examine a full-featured Linux threat incorporating a rootkit, a PAM backdoor, credential harvesting, and more, revealing how this malware enables stealthy access, persistence, and potential supply-chain attacks.

More from Trend Micro Research, News and Perspectives 4 May 2026, 12:00 p.m. Backdoor Credentials Linux Malware Privileged Access Management Remote Access Trojan Research Rootkit Supply Chain

Cybersecurity researchers have discovered two new malware families, including a modular Apple macOS backdoor called CHILLYHELL and a Go-based remote access trojan (RAT) named ZynorRAT that can target both Windows and Linux systems

More from The Hacker News 11 Sep 2025, 1:04 a.m. Apple Backdoor Intel Corporation Linux macOS Malware Microsoft Remote Access Trojan Research Trojan