The RAR archive contains a single image file, typically named .

Extract the contents of the RAR archive and find the hidden flag. 1. Extraction and Initial Analysis

By toggling through the bit planes (specifically Red Plane 0 , Green Plane 0 , or Blue Plane 0 ), a distorted or faint QR code becomes visible in the top-left corner. 3. Fixing the Image Dimensions (The "Deja Vu" Trick)

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.