Write-up author: jon-brandy
I have these 2 images, can you make a flag out of them? scrambled1.png scrambled2.png
- https://en.wikipedia.org/wiki/Visual_cryptography
- Think of different ways you can "stack" images
- First, download both images given.
- Next open the
.png
file to see it is corrupted or not.
SCRAMBLED1.PNG
SCRAMBLED2.PNG
- Based from the hint number one, we may have to concate the images into one pieces.
- For this solution i used a tools called stegsolve.jar.
- Open the first image file.
- Then on the analyze tab, choose
image combiner
.
- Choose the 2nd image.
RESULT
- Press the
>
button untilADD
.
RESULT
- Finally we got the flag!
picoCTF{d562333d}