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Billbug Cyberespionage Campaign Targets Southeast Asia

Red | Attack Report
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Billbug, a Chinese cyberespionage group, targeted Southeast Asian government and infrastructure sectors from August 2024 to February 2025. They used spear-phishing, custom malware like Sagerunex, and stealthy techniques such as DLL sideloading. Tools like ChromeKatz and Zrok enabled credential theft and covert remote access. Active since at least 2009, Billbug poses a significant long-term threat to national security through sustained espionage operations.

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Cybersecurity Leaders Dinner In Houston

Learn how to reduce your exposure to imminent risk & Network with Industry Peers

Hosted by former CISO, Al Lindseth and Threat Exposure Evangelist, Critt Golden.

Tuesday, October 7th, 2025
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