Researchers Perform An Analysis on Chinese Malware Used Against Russian Government Government. At least two espionage groups from China targeted the Russian Federal authorities in 2020. Chinese hackers used Mail-O and WebDAV-O malware families to gain remote access to systems and steal classified data. TaskMasters and TA428 linked to the Chinese government were responsible for multiple Russian federal government agencies attacks. The attacks by Asian hackers remain unnoticed by IT security services or antiviruses. The hackers download gigabytes of data with no trace for years.”]