Chinese APT Lotus Panda Targets Governments With New Sagerunex Backdoor Variants
Mar 05, 2025
Cyber Espionage / Network Security
The threat actor known as Lotus Panda has been observed targeting government, manufacturing, telecommunications, and media sectors in the Philippines, Vietnam, Hong Kong, and Taiwan with updated versions of a known backdoor called Sagerunex . "Lotus Blossom has been using the Sagerunex backdoor since at least 2016 and is increasingly employing long-term persistence command shells and developing new variants of the Sagerunex malware suite," Cisco Talos researcher Joey Chen said in an analysis published last week. Lotus Panda, also known as Billbug, Bronze Elgin, Lotus Blossom, Spring Dragon, and Thrip, is a suspected Chinese hacking crew that's active since at least 2009. The threat actor was first exposed by Palo Alto Networks Unit 42 in June 2015 and later by Broadcom-owned Symantec three years later. In late 2022, Symantec detailed the threat actor's attack on a digital certificate authority as well as government and defense agencies located in different c...