Navigating the Challenges of Fileless Malware in Cybersecurity

Today we are joined by Crystal Morin, Cybersecurity Strategist from Sysdig, as she is sharing their work on "UNC5174’s evolution in China’s ongoing cyber warfare: From SNOWLIGHT to VShell." UNC5174, a Chinese state-sponsored threat actor, has resurfaced with a stealthy cyber campaign using a new arsenal of customized and open-source tools, including a variant of their SNOWLIGHT malware and the VShell RAT.

Sysdig researchers discovered that the group targets Linux systems through malicious bash scripts, domain squatting, and in-memory payloads, indicating a high level of sophistication and espionage intent. Their evolving tactics, such as using spoofed domains and fileless malware, continue to blur attribution and pose a significant threat to research institutions, critical infrastructure, and NGOs across the West and Asia-Pacific regions.

The research can be found here:

• UNC5174’s evolution in China’s ongoing cyber warfare: From SNOWLIGHT to VShell

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