Doublecup Png Steganographic Extraction

Duo Tech@duotech

•updated Aug 4, 2026•6•0•5

Detects scripts combining a certutil -decode (or equivalent decode) command, a reference to the cached stego-image.png, and the ZZ1984 embedded marker string used by DOUBLECUP to extract steganographic payloads from PNG images via LSB extraction