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MalwareMay 6, 2026

Just saw this "Quasar Linux (QLNX) – A Silent Foothold in the Supply Chain: Inside a Full-Feature...

Quasar Linux (QLNX) discovered as sophisticated Linux RAT with rootkit and credential harvesting.

Summary

Quasar Linux (QLNX) has been identified as a full-featured Linux remote access trojan with advanced capabilities including rootkit functionality, PAM backdoor mechanisms, and credential harvesting tools. The malware appears designed to establish a persistent supply chain foothold, suggesting potential targeting of critical infrastructure or enterprise environments. The discovery highlights the growing sophistication of Linux-targeted malware threats.

Indicators of Compromise

  • malware — Quasar Linux (QLNX)

Entities

Linux (technology)