New targets, new tools, same threat. [Research Saturday]

This week we are joined by Chester Wisniewski, Global Field CTO from Sophos X-Ops team, to discuss their work on "Crimson Palace returns: New Tools, Tactics, and Targets." Sophos X-Ops has observed a resurgence in cyberespionage activity, tracked as Operation Crimson Palace, targeting Southeast Asian government organizations.

After a brief lull, Cluster Charlie resumed operations in September 2023, using new tactics such as web shells and open-source tools to bypass detection, re-establish access, and map target network infrastructure, demonstrating ongoing efforts to exfiltrate data and expand their foothold.

The research can be found here:

• Crimson Palace returns: New Tools, Tactics, and Targets