VERY IMPORTANT

A sophisticated campaign using typo-squatted 'Spectrum' domains has been uncovered, spreading a new Atomic macOS Stealer (AMOS) variant. The attack, disguised as a CAPTCHA verification, employs dynamic payloads based on the victim's operating system. For macOS users, a malicious shell script steals system passwords and downloads an AMOS variant. The script uses native macOS commands to harvest credentials, bypass security, and execute malicious binaries. Russian-language comments in the source code suggest involvement of Russian-speaking cybercriminals. The campaign's delivery sites show flawed logic, indicating hasty assembly. This multi-platform social engineering attack targets both consumer and corporate users, highlighting an increasing trend in cross-platform threats.