Cybercrime, Hello XD now deploys a backdoor Palo Alto Unit 42 cybersecurity experts: It allows an attacker to browse the file system,… Cybercrime, Hello XD now deploys a backdoor 14 June 2022 Francesco Bussoletti Cyber, Defence and Security Palo Alto Unit 42 cybersecurity experts: It allows an attacker to browse the file system, upload and download files, execute commands, and remove itself from the system.