Stealthy “MadMxShell” Backdoor Targets IT Teams in Malvertising Campaign Cyber Security Malware Stealthy “MadMxShell” Backdoor Targets IT Teams in Malvertising Campaign Do Son April 21, 2024 0 Cyberattacks are constantly evolving, a newly discovered backdoor named "MadMxShell" poses a unique threat to IT security