In this post, we covered encoding and decoding using python and Cyberchef. We solved two challenges from PicoCTF for that.

Encoding and decoding can be done using online encoders and decoders but in this challenge we used python scripts and libraries to represent data in different formats such as hexadecimal, decimal, UTF8, UTF16,etc.

PicoCTF netcat description

There is a nice program that you can talk to by using this command in a shell: $ nc mercury.picoctf.net 35652, but it doesn’t speak English…

PicoCTF Transformation challenge description

I wonder what this really is… enc''.join([chr((ord(flag[i]) << 8) + ord(flag[i + 1])) for i in range(0, len(flag), 2)])

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Mastermind Study Notes is a group of talented authors and writers who are experienced and well-versed across different fields. The group is led by, Motasem Hamdan, who is a Cybersecurity content creator and YouTuber.

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