#image-steganography CTF challenges
3 CTF challenges using image-steganography from 3 CTFs (2014–2026), 3 with writeups. Mostly Misc (33%) and Crypto (33%).
Often combined with
#c-reversing 1 #elian-script 1 #channel-masking 1 #qr-code 1
Challenges
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| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| Blocks | ASIS 2014 Quals | – | Stego | files wu 1 |
| You_Have_Not_Seen_My_Colors | Z0d1ak 2026 Quals | 25.00 | Crypto | files wu 1 |
| symatrix | GoogleCTF 2023 | – | Misc | files wu 1 |