$ ctf42

#custom-protocol CTF challenges

2 CTF challenges using custom-protocol from 2 CTFs (2024–2026), 2 with writeups.

Pwn · 2

Often combined with

#use-after-free 1 #crc32 1 #client-exploitation 1

Challenges

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Challenge CTF Weight Category Has
Dead_Letter
#custom-protocol#use-after-free (uaf)#crc32
 ASIS 2026 Quals 90.53 Pwn files wu 1
snakechat
#custom-protocol#client-exploitation
 snakeCTF 2024 Quals 24.79 Pwn files wu 1