$ ctf42

#vm-reversing CTF challenges

13 CTF challenges using vm-reversing from 8 CTFs (2020–2025), 13 with writeups.

Reverse · 13

Often combined with

#bytecode 2 #esoteric-language 1 #ida 1 #custom-bytecode 1 #bytecode-interpreter 1 #custom-architecture 1 #anti-tampering 1 #avx512 1 #mxcsr 1 #floating-point 1 #x87-fpu 1

Challenges

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Challenge CTF Weight Category Has
LostInYourEyes
#vm-reversing#custom-bytecode#ida
 DiceCTF 2021 24.82 Reverse files wu 3
LessEQualmore
#vm-reversing
 HITCON 2023 Quals 99.75 Reverse files wu 2
restless
#vm-reversing
 hxp 2020 94.00 Reverse files wu 2
Blue_Hens
#esoteric-language#vm-reversing
 BlueHens 2023 24.61 Reverse files wu 2
whatever_floats_your_boat
#vm-reversing#floating-point#mxcsr
 corCTF 2025 82.00 Reverse files wu 1
vmquack
#vm-reversing#custom-architecture
 corCTF 2021 24.92 Reverse files wu 1
highly-optimized
#vm-reversing#bytecode-interpreter
 UofTCTF 2025 23.90 Reverse files wu 1
fvm
#vm-reversing#bytecode#x87-fpu
 zer0pts 2023 52.62 Reverse files wu 1
bubble
#vm-reversing#bytecode
 corCTF 2025 82.00 Reverse files wu 1
vmquack_s_vectorized_vices
#vm-reversing#avx512
 corCTF 2023 36.97 Reverse files wu 1
vmquacks_revenge
#vm-reversing#anti-tampering
 corCTF 2022 24.92 Reverse files src wu 1
snake-jazz
#vm-reversing
 FE-CTF 2022 – Reverse files wu 1
compUDer
#vm-reversing
 BlueHens 2021 22.62 Reverse files wu 1