Tough Choice (bronze, 50p)

You have been given an image file to analyze.
Figure out how to get the flag.

Analyze it and extract the flag.

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solution

As this is steganography, check the file with stegsolve. In "red plane 2", a hidden text shows up - "pw: p45w!d#".

Using this password with steghide, extracts flag.txt, which contains flag.

$ steghide extract -sf tough-choice.jpg
Enter passphrase: p45w!d#
wrote extracted data to "flag.txt".
$ cat flag.txt
Flag is: b4a160e3-d523-42da-8d71-3ffc6374b59a