Experts Warn of macOS Backdoor Hidden in Pirated Versions of Popular Software
Jan 19, 2024
Malware / Endpoint Security
Pirated applications targeting Apple macOS users have been observed containing a backdoor capable of granting attackers remote control to infected machines. "These applications are being hosted on Chinese pirating websites in order to gain victims," Jamf Threat Labs researchers Ferdous Saljooki and Jaron Bradley said . "Once detonated, the malware will download and execute multiple payloads in the background in order to secretly compromise the victim's machine." The backdoored disk image (DMG) files, which have been modified to establish communications with actor-controlled infrastructure, include legitimate software like Navicat Premium, UltraEdit, FinalShell, SecureCRT, and Microsoft Remote Desktop. The unsigned applications, besides being hosted on a Chinese website named macyy[.]cn, incorporate a dropper component called "dylib" that's executed every time the application is opened. The dropper then acts as a conduit to fetch a backdoor ...