macOS Stealer - Hidden Shell Script Execution from Mounted DMG

nomit vyas@xoxo

•updated Jun 25, 2026•0•0•4

Detects the execution of hidden shell scripts (.sh or .command) located within a mounted disk image (.dmg). This pattern is commonly used by macOS infostealers which masquerade as legitimate applications (such as Notion, Arc, or Raycast) to trick users into executing malicious code after mounting the deceptive installer.