VKU-Security-Lab / CTF-VKU-Internal-2023

CTF contest source code for internal VKU students periodically

CTF VKU Internal 2023

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

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👑 SCOREBOARD TOP 10 HACKER👑

• 👑 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

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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 ([e-mail]). Thank you! Thank you to everyone who wrote the challenge. And we would also like to thank those who checked the challenges for us 🥰