Codemash CTF - 13 - Alice
Hint
13 - Alice
Follow the white rabbit.
With a hint image of:
Approach
Looking at the image, it is really big for a jpg. Also looking at the file in a text editor, you see mentions of other files:
Looking more deeply at the file, there appears to be a zip file after all of the bytes in the JPG. I extracted the bytes for the zip file using BE.HexEditor and copied them to a new file.
After extracting the zip you are given three files.
Opening each of those files in a text editor finds that there is exif data giving you hints:
In forest:
This image has a protected secret.
In meadow:
This meadow is all dried out. Check the water first.
In water:
steghide was here. With an empty passwor
I used an online steghide tool to extract the data.
Water yields the result:
You search the whole place but you can't find anything.
...
Now get out before you get flushed down.
Not much helpful in there, but Meadow yields the result:
So you think a mole can speak?!
...
Lucky you, this one can!
He's name is Fred and he tells you the passphrase:
The-Mad-Hatter
Forest appears to be password protected, so we take the password from meadow and apply it.
This yields the flag
Congratulations here is the flag!
cm18-xZl2-eHC5-axW3-ZkZG