$ ctf42

#custom-instructions CTF challenges

1 CTF challenge using custom-instructions from 1 CTF (2026), 1 with writeups.

Reverse · 1

Often combined with

#tinyemu 1 #pdf-javascript 1 #riscv 1

Challenges

Filter and sort these in the challenge browser →

Challenge CTF Weight Category Has
squ1rrel_o_tron squ1rrel 2026 32.47 Reverse files wu 1