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 66 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide ELF x86 - 0 protection 14% 43892 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - Basic 11% 35426 5 g0uZ 10 7 October 2006
pas_valide PE x86 - 0 protection 6% 19547 5 alejandr0 7 11 November 2012
pas_valide ELF C++ - 0 protection 4% 10310 10 sourcePerrier 6 13 July 2016
pas_valide Godot - 0 protection 1% 1656 10 Elf 3 10 June 2022
pas_valide PE DotNet - 0 protection 3% 9759 10 Geluchat 6 15 September 2014
pas_valide APK - Introduction 1% 1413 15 Algorab 4 17 October 2022
pas_valide ELF MIPS - Basic Crackme 2% 3892 15 sar 2 9 July 2018
pas_valide ELF x64 - Golang basic 1% 2675 15 jenaye 3 8 November 2018
pas_valide ELF x86 - Fake Instructions 3% 8533 15 kmkz 5 21 February 2010
pas_valide ELF x86 - Ptrace 3% 7490 15 g0uZ 3 27 November 2009
pas_valide Godot - Bytecode 1% 848 15 Elf 1 10 June 2022
pas_valide WASM - Introduction 1% 1206 15 Cyxo 2 26 March 2021
pas_valide APK - Flutter Debug 1% 486 20 exti0p 1 19 June 2022
pas_valide ELF ARM - Basic Crackme 2% 3971 20 0xmitsurugi 7 13 July 2016
pas_valide ELF x64 - Basic KeygenMe 1% 1414 20 fr0g 3 2 September 2020
pas_valide Unity3D Save handling 1% 119 20 Lumy 1 21 July 2023
pas_valide Godot - Mono 1% 571 20 Elf 1 10 June 2022
pas_valide PE DotNet - Basic Anti-Debug 1% 1312 20 nqnt 3 24 March 2021
pas_valide PE DotNet - Basic Crackme 1% 1036 20 nqnt 2 14 April 2021
pas_valide PYC - ByteCode 2% 5027 20 Thanat0s 9 3 July 2013
pas_valide ELF x86 - No software breakpoints 2% 3791 25 yodzeb 9 2 October 2013
pas_valide Lua - Bytecode 1% 665 25 Bernstein 2 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1435 25 /bin/ls 2 14 April 2017
pas_valide ELF ARM - crackme 1337 1% 2293 30 2 3 February 2011
pas_valide ELF x86 - CrackPass 2% 4998 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 4236 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Random Crackme 2% 3341 30 kmkz 3 3 February 2011
pas_valide GB - Basic GameBoy crackme 1% 1235 30 jambon69 2 14 September 2018
pas_valide PDF - Javascript 1% 1511 30 koma 1 14 February 2012
pas_valide PE x86 - Xor Madness 1% 785 30 ENOENT 3 17 July 2019
pas_valide Powershell DeObfuscation 1% 465 30 hat.time 1 2 April 2021
pas_valide ELF ARM - Crypted 1% 607 35 koma 2 4 September 2012
pas_valide ELF x64 - Crackme automating 1% 1023 35 0xmitsurugi 7 14 August 2018
pas_valide Godot - 3D model 1% 373 35 Elf 1 10 June 2022
pas_valide NRO ARM - Switch homebrew 1% 77 35 Elf 0 21 July 2023
pas_valide PE x86 - SEHVEH 1% 1189 35 Thanat0s 1 4 May 2013
pas_valide APK - Anti-debug 1% 2557 40 cryptax 3 18 December 2012
pas_valide APK - Insomni’Droid 1% 1588 40 cryptax 1 4 March 2012
pas_valide ELF x64 - Rust backdoor 1% 64 40 Elf 0 21 July 2023
pas_valide ELF x64 - Rust Crackme 1% 113 40 exti0p 0 17 October 2022
pas_valide PE x64 - UEFI Secure Boot 1% 87 40 Solden 1 10 May 2023
pas_valide APK - Root My Droid 1% 1134 45 koma 1 26 February 2012
pas_valide ELF x64 - Nanomites - Introduction 1% 678 45 Phenol 3 4 March 2018
pas_valide ELF x86 - Anti-debug 1% 1718 45 Tosh 4 3 June 2012
pas_valide PE DotNet - KeygenMe 1% 239 45 nqnt 1 14 April 2021
pas_valide PE x64 - Tables in shambles 1% 22 45 0xTRIKKSS 0 28 December 2023
pas_valide PE x86 - AutoPE 1% 807 45 Gr4ph0s 3 5 August 2011
pas_valide PYC - Self Modifying (Byte)Code 1% 20 45 Njörd 0 28 December 2023
pas_valide PYC - Snakeygen 1% 135 45 erk3 0 17 October 2022
pas_valide ELF x86 - KeygenMe 1% 836 50 int_0x80 5 20 July 2011
pas_valide HackerMan 1% 47 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - Mono - Basic Game Hacking 1% 97 50 0x0ff 1 17 October 2022
pas_valide WASM - Find the NPC 1% 207 50 Cyxo 3 26 March 2021
pas_valide Bash - VM 1% 269 60 govlog 2 25 March 2021
pas_valide ELF x64 - KeyGenMe 1% 132 60 rene-d 1 12 November 2020
pas_valide ELF x64 - Anti-debug and equations 1% 393 65 0xmitsurugi 4 18 July 2016
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 34 65 0x0ff 0 21 July 2023
pas_valide ELF x64 - Nanomites 1% 367 70 Phenol 2 4 March 2018
pas_valide ELF x86 - Packed 1% 417 70 Tosh 3 18 October 2011
pas_valide PE x86 - RunPE 1% 915 75 Thanat0s 5 16 December 2013
pas_valide ELF x86 - VM 1% 584 90 Thanat0s 7 16 June 2013
pas_valide ELF x64 - Hidden Control Flow 1% 127 100 so3 1 18 November 2020
pas_valide Ringgit 1% 88 110 Cryptanalyse 2 6 October 2019
pas_valide Voracious Nanomites 1% 10 110 Kasen 0 21 July 2023
pas_valide White-Box Cryptography #2 1% 60 130 Cryptanalyse 1 17 July 2019

Challenge Results Challenge Results

Pseudo Challenge Lang Date
antonin.deniau Cracking  WASM - Introduction fr 31 May 2024 at 00:08
Boomwerk Cracking  ELF x86 - 0 protection fr 30 May 2024 at 23:36
antonin.deniau Cracking  ELF MIPS - Basic Crackme fr 30 May 2024 at 22:44
LightDiscord Cracking  ELF x64 - Rust backdoor fr 30 May 2024 at 22:36
antonin.deniau Cracking  APK - Introduction fr 30 May 2024 at 22:07
placard Cracking  Godot - Modèle 3D fr 30 May 2024 at 22:06
_fl0xy_ Cracking  ELF x64 - Basic KeygenMe fr 30 May 2024 at 21:29
Kubow Cracking  ELF C++ - 0 protection fr 30 May 2024 at 21:13
El Mouna Cracking  ELF x86 - Basique fr 30 May 2024 at 20:53
El Mouna Cracking  ELF x86 - 0 protection fr 30 May 2024 at 20:49