Cracking Cracking

Reverse binaries and crack executables.

This series of challenges will help you understand the inner workings of compiled languages. Disassemble the binaries provided to solve the crackmes at the assembly level.

Prerequisites:
– Advanced understanding of assembly languages on various architectures (x86, ARM, MIPS ...).
– Understanding of the different executable formats (ELF, PE, etc.).
– Mastery in the use disassemblers and debuggers.

challenges 70 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution ↓↑ Date
pas_valide EVM - Bytecode 1% 155 35 Elf 0 14 March 2025
pas_valide Voracious Nanomites 1% 55 110 Kasen 0 21 July 2023
pas_valide NRO ARM - Switch homebrew 1% 223 35 Elf 0 21 July 2023
pas_valide PE32+ - KeygenMe 1% 90 85 Redouane 0 14 March 2025
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 109 65 0x0ff 0 21 July 2023
pas_valide PE DotNet - Memory Protect 1% 102 55 Vozec 0 14 March 2025
pas_valide ELF x64 - Rust backdoor 1% 324 40 Elf 0 21 July 2023
pas_valide PYC - Snakeygen 1% 296 45 erk3 0 17 October 2022
pas_valide PE x64 - Tables in shambles 1% 215 45 0xTRIKKSS 0 28 December 2023
pas_valide PE x64 - UEFI Secure Boot 1% 270 40 Solden 1 10 May 2023
pas_valide PE x86 - SEHVEH 1% 1455 35 Thanat0s 1 4 May 2013
pas_valide APK - Insomni’Droid 1% 1882 40 cryptax 1 4 March 2012
pas_valide ELF x64 - Rust Crackme 1% 323 40 extiop 1 17 October 2022
pas_valide PYC - Self Modifying (Byte)Code 1% 228 45 Njörd 1 28 December 2023
pas_valide APK - Root My Droid 1% 1356 45 koma 1 26 February 2012
pas_valide PE DotNet - KeygenMe 1% 377 45 nqnt 1 14 April 2021
pas_valide PDF - Javascript 1% 1823 30 koma 1 14 February 2012
pas_valide HackerMan 1% 148 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - Mono - Basic Game Hacking 1% 202 50 0x0ff 1 17 October 2022
pas_valide ELF x64 - KeyGenMe 1% 287 60 rene-d 1 12 November 2020
pas_valide ELF x64 - Hidden Control Flow 1% 269 100 so3 1 18 November 2020
pas_valide Godot - 3D model 1% 683 35 Elf 1 10 June 2022
pas_valide White-Box Cryptography #2 1% 141 130 Cryptanalyse 1 17 July 2019
pas_valide Godot - Bytecode 1% 1734 15 Elf 1 10 June 2022
pas_valide APK - Flutter Debug 1% 1008 20 extiop 1 19 June 2022
pas_valide Godot - Mono 1% 1118 20 Elf 1 10 June 2022
pas_valide ELF ARM - Crypted 1% 752 35 koma 2 4 September 2012
pas_valide WASM - Introduction 1% 1982 15 Cyxo 2 26 March 2021
pas_valide MachO x64 - keygenme or not 1% 1784 25 /bin/ls 2 14 April 2017
pas_valide Unity3D Save handling 1% 458 20 Lumy 2 21 July 2023
pas_valide Basic ? crackme 1% 750 25 Dvorhack 2 14 March 2025
pas_valide Bash - VM 1% 463 60 govlog 2 25 March 2021
pas_valide Lua - Bytecode 1% 1168 25 Bernstein 2 25 March 2021
pas_valide Powershell DeObfuscation 1% 776 30 hat.time 2 2 April 2021
pas_valide GB - Basic GameBoy crackme 1% 1580 30 jambon69 2 14 September 2018
pas_valide ELF ARM - crackme 1337 1% 2798 30 2 3 February 2011
pas_valide Ringgit 1% 171 110 Cryptanalyse 2 6 October 2019
pas_valide ELF MIPS - Basic Crackme 2% 5456 15 sar 2 9 July 2018
pas_valide ELF x64 - Nanomites 1% 559 70 Phenol 2 4 March 2018
pas_valide PE DotNet - Basic Crackme 1% 1581 20 nqnt 3 14 April 2021
pas_valide APK - Anti-debug 1% 3059 40 cryptax 3 18 December 2012
pas_valide PE DotNet - Basic Anti-Debug 1% 2008 20 nqnt 3 24 March 2021
pas_valide ELF x86 - Ptrace 3% 8892 15 g0uZ 3 27 November 2009
pas_valide ELF x64 - Basic KeygenMe 1% 2330 20 fr0g 3 2 September 2020
pas_valide WASM - Find the NPC 1% 364 50 Cyxo 3 26 March 2021
pas_valide ELF x64 - Golang basic 1% 3787 15 jenaye 3 8 November 2018
pas_valide ELF x86 - Packed 1% 543 70 Tosh 3 18 October 2011
pas_valide PE x86 - Xor Madness 1% 1130 30 ENOENT 3 17 July 2019
pas_valide PE x86 - AutoPE 1% 959 45 Gr4ph0s 3 5 August 2011
pas_valide ELF x86 - Random Crackme 1% 3913 30 kmkz 3 3 February 2011
pas_valide ELF x64 - Anti-debug and equations 1% 538 65 0xmitsurugi 4 18 July 2016
pas_valide ELF x86 - Anti-debug 1% 2114 45 Tosh 4 3 June 2012
pas_valide ELF x64 - Nanomites - Introduction 1% 970 45 Phenol 4 4 March 2018
pas_valide ELF x86 - KeygenMe 1% 1066 50 int_0x80 5 20 July 2011
pas_valide ELF x86 - CrackPass 2% 5911 30 Tosh 5 3 February 2011
pas_valide APK - Introduction 1% 3091 15 algorab 5 17 October 2022
pas_valide ELF x86 - ExploitMe 2% 4918 30 kmkz 5 3 February 2011
pas_valide PE x86 - RunPE 1% 1187 75 Thanat0s 5 16 December 2013
pas_valide Godot - 0 protection 1% 3907 10 Elf 5 10 June 2022
pas_valide ELF C++ - 0 protection 4% 13613 10 sourcePerrier 6 13 July 2016
pas_valide PE DotNet - 0 protection 4% 12029 10 Geluchat 6 15 September 2014
pas_valide ELF x86 - Fake Instructions 3% 10042 15 kmkz 6 21 February 2010
pas_valide ELF ARM - Basic Crackme 2% 5154 20 0xmitsurugi 7 13 July 2016
pas_valide PE x86 - 0 protection 7% 24733 5 alejandr0 7 11 November 2012
pas_valide ELF x64 - Crackme automating 1% 1371 35 0xmitsurugi 7 14 August 2018
pas_valide ELF x86 - VM 1% 753 90 Thanat0s 7 16 June 2013
pas_valide ELF x86 - No software breakpoints 2% 4482 25 yodzeb 9 2 October 2013
pas_valide PYC - ByteCode 2% 5833 20 Thanat0s 9 3 July 2013
pas_valide ELF x86 - Basic 11% 43238 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - 0 protection 14% 53711 5 g0uZ 10 7 October 2006

Challenge Results Challenge Results

Pseudo Challenge Lang Date
RrFJp Cracking  Godot - 0 protection en 12 August 2026 at 05:49
fsharp Cracking  EVM - Bytecode en 12 August 2026 at 05:32
inflearner Cracking  Voracious Nanomites fr 12 August 2026 at 00:52
inflearner Cracking  Bash - VM fr 12 August 2026 at 00:37
Steve Cracking  PE DotNet - 0 protection ru 12 August 2026 at 00:37
inflearner Cracking  PE x86 - 0 protection fr 12 August 2026 at 00:29
inflearner Cracking  PE x64 - UEFI Secure Boot fr 12 August 2026 at 00:25
hugo_rvt Cracking  ELF C++ - 0 protection fr 12 August 2026 at 00:18
Cr1tix Cracking  ELF ARM - Basic Crackme en 11 August 2026 at 23:59
Cr1tix Cracking  ELF x64 - Basic KeygenMe en 11 August 2026 at 23:55