A while ago I’ve decided try completing all challenges from PwnTillDawn. There’s this one challenge which has no writeups and I can’t complete by any chance. I have an image containing a pixelated password and my goal is to use a tool called Depix to read the password.
The tool works by taking 2 images, one containing the pixelated text and the other containing a reference image (search image) to compare pixels with. I’ve been playing with the tool for 2 entire days and haven’t got any progress so far. I’m running out of ideas, so far I’ve tried:
- Adjusting the tool parameters
- Adjusting the image in different crop sizes
- Reversing the commits on Github to use a older version of the tool
- Using different search images as the tool require those images
From the tips the CTF gave, the tool should theoretically give me the password to use it somewhere. There’s also information on the user’s personal tastes, but bruteforce didn’t took me anywhere. The name of the challenge is JapanTown in case someone asks.
PIxelated Password & Search Image: https://imgur.com/a/ddpdl3a
submitted by /u/CyberXCodder
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