/CTF-VKU-Internal-2023

CTF contest source code for internal VKU students periodically

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CTF VKU Internal 2023

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This repository contains official source code and writeups for the majority of challenges in VKU Internal CTF Contest 2023.

👑 SCOREBOARD TOP 10 HACKER👑

top10 Alt text

  • 👑 Champion: vovanbao.1808
  • 🥇: embedangiu
  • 🥈: nirock
  • 🥉: trumCuoiToi'Choi

Cryptography

Name Author Difficulty Solves
Base64 mrb1n Easy (1) 19
Caesar mrb1n Easy (1) 17
Encrypt Continous mrb1n Easy (1) 8
Hash mrb1n Easy (1) 12
RSA mrb1n Normal (2) 8

Forensics

Name Author Difficulty Solves
Baby shark do do doooo lqlong Easy (1) 6
Compressssss mrb1n Easy (1) 6
Find me mrb1n Easy (1) 16
OSINT mrb1n Normal (2) 11

Binary Exploitation

Name Author Difficulty Solves
BOF Begin mrb1n Easy (1) 4
Christmas Store mrb1n Easy (1) 3
Integer Overflow mrb1n Easy (1) 4
Ret to win mrb1n Normal (2) 0

Reverse Engineer

Name Author Difficulty Solves
Baby Rev 1 mrb1n Easy (1) 25
Baby Rev 2 mrb1n Easy (1) 5
Baby Rev 3 mrb1n Easy (1) 13
Baby Rev 4 mrb1n Easy (1) 2

Web

Name Author Difficulty Solves
Find me lqlong Easy (1) 2
SQLI Level 1 lqlong Easy (1) 11
SQLI Level 2 lqlong Easy (1) 3
SQLI Level 3 lqlong Normal (2) 0

Conclusion

This is the first time we have organized and written CTF challenges ourselves. If there are any mistakes, please forgive them.

In the challenges, we use a number of place names and names of individual organizations to serve the competition. If there is anything that affects your individual or organization, please email us (vkuctf@gmail.com). Thank you! Thank you to everyone who wrote the challenge. And we would also like to thank those who checked the challenges for us 🥰