전체 챌린지
암호학쉬움무료
Layers.
20점해결자 없음
~브리핑
Not everything scrambled is encrypted — often it's just encoded, and encoding always comes off.
You intercepted message.txt. It doesn't look like text, but it isn't random either. Peel the layers until a flag appears.
Two layers stand between you and the flag. Work from the outside in.
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