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 PYC - Snakeygen 1% 196 45 erk3 0 17 October 2022
pas_valide WASM - Find the NPC 1% 274 50 Cyxo 3 26 March 2021
pas_valide GB - Basic GameBoy crackme 1% 1426 30 jambon69 2 14 September 2018
pas_valide ELF x64 - Rust backdoor 1% 175 40 Elf 0 21 July 2023
pas_valide ELF x64 - Hidden Control Flow 1% 160 100 so3 1 18 November 2020
pas_valide PYC - Self Modifying (Byte)Code 1% 106 45 Njörd 1 28 December 2023
pas_valide ELF x86 - Anti-debug 1% 1924 45 Tosh 4 3 June 2012
pas_valide ELF x64 - Crackme automating 1% 1191 35 0xmitsurugi 7 14 August 2018
pas_valide ELF x86 - Ptrace 3% 8203 15 g0uZ 3 27 November 2009
pas_valide ELF x64 - Nanomites - Introduction 1% 818 45 Phenol 4 4 March 2018
pas_valide ELF x86 - No software breakpoints 2% 4149 25 yodzeb 9 2 October 2013
pas_valide ELF x86 - CrackPass 2% 5483 30 Tosh 5 3 February 2011
pas_valide PE x86 - RunPE 1% 1045 75 Thanat0s 5 16 December 2013
pas_valide PYC - ByteCode 2% 5479 20 Thanat0s 9 3 July 2013
pas_valide Ringgit 1% 105 110 Cryptanalyse 2 6 October 2019
pas_valide Bash - VM 1% 336 60 govlog 2 25 March 2021
pas_valide Godot - Bytecode 1% 1285 15 Elf 1 10 June 2022
pas_valide ELF ARM - Basic Crackme 2% 4578 20 0xmitsurugi 7 13 July 2016
pas_valide PE x86 - Xor Madness 1% 946 30 ENOENT 3 17 July 2019
pas_valide Lua - Bytecode 1% 917 25 Bernstein 2 25 March 2021
pas_valide ELF x86 - Basic 11% 39864 5 g0uZ 10 7 October 2006
pas_valide APK - Introduction 1% 2248 15 algorab 5 17 October 2022
pas_valide PE x64 - Tables in shambles 1% 104 45 0xTRIKKSS 0 28 December 2023
pas_valide ELF x64 - KeyGenMe 1% 179 60 rene-d 1 12 November 2020
pas_valide PE x86 - 0 protection 7% 22441 5 alejandr0 7 11 November 2012
pas_valide Unity - Mono - Basic Game Hacking 1% 148 50 0x0ff 1 17 October 2022
pas_valide ELF x86 - 0 protection 14% 49365 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - VM 1% 644 90 Thanat0s 7 16 June 2013
pas_valide Basic ? crackme 1% 306 25 Dvorhack 1 14 March 2025
pas_valide ELF C++ - 0 protection 4% 11992 10 sourcePerrier 6 13 July 2016
pas_valide ELF x86 - Random Crackme 1% 3665 30 kmkz 3 3 February 2011
pas_valide ELF x86 - KeygenMe 1% 937 50 int_0x80 5 20 July 2011
pas_valide HackerMan 1% 93 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Godot - 3D model 1% 510 35 Elf 1 10 June 2022
pas_valide PE x86 - SEHVEH 1% 1309 35 Thanat0s 1 4 May 2013
pas_valide ELF x86 - Fake Instructions 3% 9332 15 kmkz 6 21 February 2010
pas_valide PE DotNet - Basic Crackme 1% 1320 20 nqnt 3 14 April 2021
pas_valide PE DotNet - Basic Anti-Debug 1% 1704 20 nqnt 3 24 March 2021
pas_valide PE x64 - UEFI Secure Boot 1% 156 40 Solden 1 10 May 2023
pas_valide ELF x64 - Nanomites 1% 437 70 Phenol 2 4 March 2018
pas_valide Godot - Mono 1% 823 20 Elf 1 10 June 2022
pas_valide PE DotNet - 0 protection 3% 11003 10 Geluchat 6 15 September 2014
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 68 65 0x0ff 0 21 July 2023
pas_valide Powershell DeObfuscation 1% 607 30 hat.time 2 2 April 2021
pas_valide NRO ARM - Switch homebrew 1% 131 35 Elf 0 21 July 2023
pas_valide ELF MIPS - Basic Crackme 2% 4711 15 sar 2 9 July 2018
pas_valide APK - Flutter Debug 1% 708 20 extiop 1 19 June 2022
pas_valide WASM - Introduction 1% 1600 15 Cyxo 2 26 March 2021
pas_valide White-Box Cryptography #2 1% 73 130 Cryptanalyse 1 17 July 2019
pas_valide ELF x64 - Golang basic 1% 3224 15 jenaye 3 8 November 2018
pas_valide ELF x64 - Basic KeygenMe 1% 1863 20 fr0g 3 2 September 2020
pas_valide Godot - 0 protection 1% 2788 10 Elf 5 10 June 2022
pas_valide PE DotNet - KeygenMe 1% 297 45 nqnt 1 14 April 2021
pas_valide EVM - Bytecode 1% 19 35 Elf 0 14 March 2025
pas_valide Voracious Nanomites 1% 24 110 Kasen 0 21 July 2023
pas_valide Unity3D Save handling 1% 265 20 Lumy 2 21 July 2023
pas_valide APK - Root My Droid 1% 1228 45 koma 1 26 February 2012
pas_valide PE32+ - KeygenMe 1% 13 85 Redouane 0 14 March 2025
pas_valide PE x86 - AutoPE 1% 890 45 Gr4ph0s 3 5 August 2011
pas_valide ELF x64 - Anti-debug and equations 1% 446 65 0xmitsurugi 4 18 July 2016
pas_valide PE DotNet - Memory Protect 1% 14 55 Vozec 0 14 March 2025
pas_valide ELF x86 - ExploitMe 2% 4612 30 kmkz 5 3 February 2011
pas_valide ELF x64 - Rust Crackme 1% 188 40 extiop 1 17 October 2022
pas_valide ELF x86 - Packed 1% 451 70 Tosh 3 18 October 2011
pas_valide APK - Anti-debug 1% 2851 40 cryptax 3 18 December 2012
pas_valide PDF - Javascript 1% 1672 30 koma 1 14 February 2012
pas_valide ELF ARM - crackme 1337 1% 2550 30 2 3 February 2011
pas_valide MachO x64 - keygenme or not 1% 1606 25 /bin/ls 2 14 April 2017
pas_valide APK - Insomni’Droid 1% 1739 40 cryptax 1 4 March 2012
pas_valide ELF ARM - Crypted 1% 653 35 koma 2 4 September 2012

Challenge Results Challenge Results

Pseudo Challenge Lang Date
pavanvootla Cracking  ELF x86 - Basic en 5 August 2025 at 15:55
Yoloyolo Cracking  ELF x64 - Golang basic en 5 August 2025 at 15:54
rayan Cracking  ELF C++ - 0 protection fr 5 August 2025 at 15:51
pavanvootla Cracking  ELF x86 - 0 protection en 5 August 2025 at 15:48
rayan Cracking  ELF x86 - Basique fr 5 August 2025 at 15:21
rayan Cracking  ELF x86 - 0 protection fr 5 August 2025 at 15:14
midfirewear Cracking  Godot - 0 protection fr 5 August 2025 at 15:09
5andDime Cracking  ELF x86 - Basique fr 5 August 2025 at 14:29
5andDime Cracking  ELF x86 - 0 protection fr 5 August 2025 at 14:25
platon17 Cracking  ELF C++ - 0 protection en 5 August 2025 at 13:23