Intelligence agencies in the US have released information about a new variant of 12-year-old computer virus used by China’s state-sponsored hackers targeting governments, corporations, and think tanks.
Named “Taidoor,” the malware has done an ‘excellent’ job of compromising systems as early as 2008, with the actors deploying it on victim networks for stealthy remote access.
“[The] FBI has high confidence that Chinese government actors are using malware variants in conjunction with proxy servers to maintain a presence on victim networks and to further network exploitation,” the US Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the Department of Defense (DoD) said in a joint advisory.
The US Cyber Command has also uploaded four samples of the Taidoor RAT on the public malware repository VirusTotal to let 50+ Antivirus companies check the virus’s involvement in other unattributed campaigns.
However, the malware itself is not new. In an analysis by Trend Micro researchers in 2012, the actors behind Taidoor were found to leverage socially engineered emails with malicious PDF attachments to target the Taiwanese…