CrashStealer - Mach-O payload delivered over cleartext HTTP

Duo Tech@duotech

•updated Jul 14, 2026•0•0•0

Detects the download of a Mach-O executable file over unencrypted HTTP. The rule identifies the Mach-O magic byte header ('CF FA ED FE') within the first few bytes of the HTTP response body, indicating a file download originating from an external network source.