csictf 2020

CTF Writeup - https://ctftime.org/event/1081

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Vietnam

The Viet Cong in transmitting a secret message. They built a password checker so that only a selected few can view the secret message. We’ve recovered the binary, we need you to find out what they’re trying to say.

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RicknMorty

Rick has been captured by the council of ricks and in this dimmention morty has to save him, the chamber holding rick needs a key . Can you help him find the key ?

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Blaise

I recovered a binary from my teacher’s computer. I tried to reverse it but I couldn’t.

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Esrever

I encrypted my flag so that nobody can see it, but now I realize I don’t know how to decrypt it. Can you help me?

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