2022-06-03 11-32-03~2.png Page

: Use binwalk -e 2022-06-03 11-32-03~2.png to see if another file (like a .zip or .txt ) is embedded inside the image data. 5. Final Flag Extraction

: If you change the dimensions manually, the CRC (Cyclic Redundancy Check) at the end of the chunk will be invalid. You can use a tool like PCRT (PNG Check & Repair Tool) to automatically calculate the correct dimensions based on the existing CRC. 4. Steganography Check 2022-06-03 11-32-03~2.png

: Run strings 2022-06-03 11-32-03~2.png . In many versions of this challenge, the flag or a hint is appended to the end of the file in plain text, past the IEND chunk. : Use binwalk -e 2022-06-03 11-32-03~2

The most common solution for this specific file involves . Many CTF creators intentionally modify the height or width values in the PNG header so the image doesn't render correctly or hides the flag at the bottom. Tool : Hex Editor (like HxD or hexedit ). You can use a tool like PCRT (PNG