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The flag is hidden inside the Penguin! Solve this challenge before solving my 100 point Scope challenge which uses similar techniques as this one.

File: THE_FILE

Solution:

exiftool Tux.jpg

Comment: ICAgICAgUGFzc3dvcmQ6IExpbnV4MTIzNDUK.

Convert from base64: Password: Linux12345

binwalk Tux.jpg -e --dd=".*"

For some reason it freezes but just control z out of it and then run ls.

cd into the new folder. Theres a zip file.

unzip 1570.zip

It will ask for the password, enter it.

Open the text file. cat flag

Flag: CTFlearn{Linux_Is_Awesome}