This Malware Analysis Report (MAR) is the result of analytic efforts between the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the Department of Defense (DoD). Working with U.S. government partners, CISA, the FBI, and DoD identified a malware variant used by Chinese government cyber actors, which is known as TAIDOOR. For more information on Chinese malicious cyber activity, please visit www.cisa.gov.