High entropy suggests the data inside is truly compressed or encrypted, rather than just junk data. 2. Header Manipulation
Use steghide or zsteg on any extracted images. MCDoof_06.rar
A series of images (e.g., image01.jpg , image02.png ) where one contains Steganographic data. High entropy suggests the data inside is truly
Standard decompression tools (WinRAR, 7-Zip) often throw "Unexpected end of archive" or "Checksum error" upon opening. MCDoof_06.rar
The challenge often modifies the HEAD_FLAGS or the Archive Bit to prevent standard extraction.