ctf-writeups

BYUCTF 2023

The second iteration of BYUCTF will be held in May of 2023! The CTF will have beginner- to intermediate-level challenges during the 36-hour period. Categories will include web, crypto, OSINT, forensics, rev, pwn, jail, and misc. There is no team size limit.

https://discord.gg/76UhnuQXqS

View on CTFtime

Writeups

• Criterion 🖋 - OSINT, 496 pts (17 solves)
• Hexadecalingo 🖋 - steganography, 428 pts (65 solves)
• MI6configuration* - pwn, 3 parts—418, 425, and 436 pts (69, 66, 61 solves, respectively)
• Paleontology** 🖋 - forensics/steganography, 500 pts (4 solves)
• Q10 🖋 - forensics/steganography, 500 pts (5 solves)
• 𐐗𐐡𐐆𐐑𐐓𐐄? 🖋 - cryptography, 403 pts (75 solves)

*Originally written (not by me) for the BYU Winter 2023 End-of-Semester CTF
**Originally written for the BYU Fall 2022 End-of-Semester CTF

Key:

• 🖋 = challenge author (wrote the challenge)