$ ctf42

#custom-vm CTF challenges

9 CTF challenges using custom-vm from 6 CTFs (2018–2023), 9 with writeups. Mostly Misc (44%) and Pwn (33%).

Misc · 4 Pwn · 3 Reverse · 2

Often combined with

#bytecode-reversing 2 #arbitrary-read-write 2 #z3 1 #typescript-type-system 1 #mips-assembly 1 #missing-bounds-check 1 #out-of-bounds 1 #one-gadget 1 #stack-overwrite 1 #arbitrary-syscall 1 #stack-buffer-overflow 1

Challenges

Filter and sort these in the challenge browser →

Challenge CTF Weight Category Has
thats_a_lot_of_fish
#typescript-type-system#custom-vm
 PlaidCTF 2020 93.15 Reverse files wu 2
simulator
#custom-vm#mips-assembly#arbitrary-read-write
 RCTF 2018 – Misc files wu 2
simple_vm
#custom-vm#bytecode-reversing
 RCTF 2018 – Misc files wu 2
boring-flag-runner
#custom-vm#stack-overwrite#one-gadget
 RaRCTF 2021 24.53 Pwn files wu 1
kindvm
#custom-vm#stack-buffer-overflow
 SECCON 2018 Quals 36.92 Misc files wu 1
game
#custom-vm#out-of-bounds (oob)
 RCTF 2021 – Pwn files wu 1
vm
#custom-vm#missing-bounds-check#arbitrary-read-write
 RCTF 2020 – Misc files wu 1
Reduced_Reduced_Instruction_Set_2
#custom-vm#bytecode-reversing#z3
 PatriotCTF 2023 24.52 Reverse files wu 1
Mediocrity
#custom-vm#arbitrary-syscall
 Codegate 2023 Quals – Pwn files wu 1