Three China-Linked Clusters Target Southeast Asian Government in 2025 Cyber Campaign

Three threat activity clusters aligned with China have targeted a government organization in Southeast Asia as part of what has been described as a "complex and well-resourced operation." The campaigns have led to the deployment of various malware families, including HIUPAN aka USBFect, MISTCLOAK...

The Rise of Collaborative Tactics Among China-aligned Cyber Espionage Campaigns

Trend™ Research examines the complex collaborative relationship between China-aligned APT groups via the new “Premier Pass-as-a-Service” model, exemplified by the recent activities of Earth Estries and Earth Naga...

Chinese Hackers Use GHOSTSPIDER Malware to Hack Telecoms Across 12+ Countries

The China-linked threat actor known as Earth Estries has been observed using a previously undocumented backdoor called GHOSTSPIDER as part of its attacks targeting Southeast Asian telecommunications companies. Trend Micro, which described the hacking group as an aggressive advanced persistent...

Breaking Down Earth Estries' Persistent TTPs in Prolonged Cyber Operations

Discover how Earth Estries employs a diverse set of tactics, techniques, and tools, including malware such as Zingdoor and Snappybee, for its campaigns...

Earth Estries Targets Government, Tech for Cyberespionage

We break down a new cyberespionage campaign deployed by a cybercriminal group we named Earth Estries. Analyzing the tactics, techniques, and procedures TTPs employed, we observed overlaps with the advanced persistent threat APT group FamousSparrow as Earth Estries targets governments and...

PT-2023-8231

Name of the Vulnerable Software and Affected Versions Ivanti Connect Secure versions 9.x Ivanti Connect Secure versions 22.x Ivanti Policy Secure versions 9.x Ivanti Policy Secure versions 22.x Description A command injection issue exists in the web components of the software. This occurs because...