China-Linked APT15 used new backdoors is an attack that is likely part of a wider operation aimed at contractors at various UK government departments and military organizations. NCC Group recently spotted two new. backdoors used by the group along with malware already associated with APT. The attackers utilized Windows commands to conduct reconnaissance activities, the lateral movement was conducted by using a combination of net command, mounting the. C$ share of hosts and manually copying files to or from compromised hosts.”]
Source: https://securityaffairs.co/wordpress/70140/hacking/apt15-uk-gov-contractor.html