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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.

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
Trend Micro Research, News and Perspectives 3 years, 2 months ago

Water Orthrus's New Campaigns Deliver Rootkit and Phishing Modules

Water Orthrus has been active recently with two new campaigns. CopperStealth uses a rootkit to install malware on infected systems, while CopperPhish steals credit card information. This blog will provide the structure of the campaign and how they work.

Trend Micro Research, News and Perspectives 15 May 2023, 12:00 p.m. Credit Card Infection Malware Phishing Rootkit