The string found at the bottom of the image (after fixing the height) is often encoded in Base64 or ROT13 . 5. Flag Extraction Decoding the discovered string reveals the flag format:
Use a hex editor (like HxD or 010 Editor) to view the PNG's IHDR chunk .
Scan the QR code revealed in the bit planes. It often leads to a link or a Base64 string. Path B: Use zsteg to find hidden strings in the LSB. zsteg -a d3j4.png Use code with caution. 17199 d3j4.rar
Locate the 4-byte height value and increase it (e.g., from 00 00 02 00 to 00 00 04 00 ).
The RAR archive contains a single image file, typically named . The string found at the bottom of the
Binwalk usually reveals trailing data or a zlib compressed stream that doesn't belong to the image's main structure. 2. Steganographic Discovery
The "Deja Vu" hint often refers to the fact that the image's height has been tampered with to hide data at the bottom (a common CTF trope). Scan the QR code revealed in the bit planes
Upon opening the image, it appears to be a standard picture (often a "Deja Vu" meme or a scenic shot). Tool: Use file or binwalk to check for hidden data. binwalk d3j4.png Use code with caution.