The HandlePP::getClientID method uses the following environment variables:   Figure 11. Serial number   Figure 12. Hardware UUID   Figure 13. MAC address   Figure 14. Randomly generated UUID For the initial information packet, the backdoor also collects the following:   Figure 15. OS version Running getpwuid ->pw_name , scutil – -get ComputerName, and uname –m will provide the following returns respectively:  Mac OSX 10.12