Curious Gorge (UNC3742), attributed to China's PLA SSF, is known for long-running campaigns targeting defense and government sectors.
Analyst brief
Curious Gorge (UNC3742), attributed to China's PLA SSF, targets government, military, logistics, and defense contractor entities in Ukraine, Russia, Kazakhstan, and Mongolia. The group has conducted long-running campaigns, compromising Russian Ministry of Foreign Affairs and recently multiple defense contractors, manufacturers, and a logistics company. Defenders in the targeted sectors should focus on network segmentation, anomaly detection, and monitoring for China-linked TTPs, especially against persistent access attempts.
Curious Gorge
UNC3742
unknown
Curious Gorge, a group TAG attributes to China's PLA SSF, has conducted campaigns against government and military organizations in Ukraine, Russia, Kazakhstan, and Mongolia. The actor has remained active against government, military, logistics and manufacturing organizations in Ukraine, Russia and Central Asia. In Russia, long running campaigns against multiple government organizations have continued, including the Ministry of Foreign Affairs. Over the past week, TAG identified additional compromises impacting multiple Russian defense contractors and manufacturers and a Russian logistics company.