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 APK - Anti-debug 1% 2616 40 cryptax 3 18 December 2012
pas_valide APK - Flutter Debug 1% 546 20 extiop 1 19 June 2022
pas_valide APK - Insomni’Droid 1% 1623 40 cryptax 1 4 March 2012
pas_valide APK - Introduction 1% 1607 15 Algorab 5 17 October 2022
pas_valide APK - Root My Droid 1% 1156 45 koma 1 26 February 2012
pas_valide Bash - VM 1% 292 60 govlog 2 25 March 2021
pas_valide ELF ARM - Basic Crackme 2% 4108 20 0xmitsurugi 7 13 July 2016
pas_valide ELF ARM - Crypted 1% 622 35 koma 2 4 September 2012
pas_valide ELF ARM - crackme 1337 1% 2365 30 2 3 February 2011
pas_valide ELF C++ - 0 protection 4% 10650 10 sourcePerrier 6 13 July 2016
pas_valide ELF MIPS - Basic Crackme 2% 4068 15 sar 2 9 July 2018
pas_valide ELF x64 - Anti-debug and equations 1% 409 65 0xmitsurugi 4 18 July 2016
pas_valide ELF x64 - Basic KeygenMe 1% 1531 20 fr0g 3 2 September 2020
pas_valide ELF x64 - Crackme automating 1% 1067 35 0xmitsurugi 7 14 August 2018
pas_valide ELF x64 - Golang basic 1% 2794 15 jenaye 3 8 November 2018
pas_valide ELF x64 - Hidden Control Flow 1% 134 100 so3 1 18 November 2020
pas_valide ELF x64 - KeyGenMe 1% 146 60 rene-d 1 12 November 2020
pas_valide ELF x64 - Nanomites 1% 381 70 Phenol 2 4 March 2018
pas_valide ELF x64 - Nanomites - Introduction 1% 715 45 Phenol 4 4 March 2018
pas_valide ELF x64 - Rust Crackme 1% 130 40 extiop 0 17 October 2022
pas_valide ELF x64 - Rust backdoor 1% 89 40 Elf 0 21 July 2023
pas_valide ELF x86 - 0 protection 14% 45160 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - Anti-debug 1% 1780 45 Tosh 4 3 June 2012
pas_valide ELF x86 - Basic 11% 36395 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - CrackPass 2% 5122 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 4344 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Fake Instructions 3% 8713 15 kmkz 5 21 February 2010
pas_valide ELF x86 - KeygenMe 1% 864 50 int_0x80 5 20 July 2011
pas_valide ELF x86 - No software breakpoints 2% 3884 25 yodzeb 9 2 October 2013
pas_valide ELF x86 - Packed 1% 426 70 Tosh 3 18 October 2011
pas_valide ELF x86 - Ptrace 3% 7655 15 g0uZ 3 27 November 2009
pas_valide ELF x86 - Random Crackme 2% 3428 30 kmkz 3 3 February 2011
pas_valide ELF x86 - VM 1% 598 90 Thanat0s 7 16 June 2013
pas_valide GB - Basic GameBoy crackme 1% 1292 30 jambon69 2 14 September 2018
pas_valide Godot - 0 protection 1% 1870 10 Elf 4 10 June 2022
pas_valide Godot - 3D model 1% 405 35 Elf 1 10 June 2022
pas_valide Godot - Bytecode 1% 948 15 Elf 1 10 June 2022
pas_valide Godot - Mono 1% 637 20 Elf 1 10 June 2022
pas_valide HackerMan 1% 62 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Lua - Bytecode 1% 728 25 Bernstein 2 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1484 25 /bin/ls 2 14 April 2017
pas_valide NRO ARM - Switch homebrew 1% 104 35 Elf 0 21 July 2023
pas_valide PDF - Javascript 1% 1542 30 koma 1 14 February 2012
pas_valide PE DotNet - 0 protection 3% 10001 10 Geluchat 6 15 September 2014
pas_valide PE DotNet - Basic Anti-Debug 1% 1419 20 nqnt 3 24 March 2021
pas_valide PE DotNet - Basic Crackme 1% 1125 20 nqnt 2 14 April 2021
pas_valide PE DotNet - KeygenMe 1% 256 45 nqnt 1 14 April 2021
pas_valide PE x64 - Tables in shambles 1% 51 45 0xTRIKKSS 0 28 December 2023
pas_valide PE x64 - UEFI Secure Boot 1% 111 40 Solden 1 10 May 2023
pas_valide PE x86 - 0 protection 6% 20174 5 alejandr0 7 11 November 2012
pas_valide PE x86 - AutoPE 1% 826 45 Gr4ph0s 3 5 August 2011
pas_valide PE x86 - RunPE 1% 946 75 Thanat0s 5 16 December 2013
pas_valide PE x86 - SEHVEH 1% 1217 35 Thanat0s 1 4 May 2013
pas_valide PE x86 - Xor Madness 1% 826 30 ENOENT 3 17 July 2019
pas_valide PYC - ByteCode 2% 5143 20 Thanat0s 9 3 July 2013
pas_valide PYC - Self Modifying (Byte)Code 1% 60 45 Njörd 0 28 December 2023
pas_valide PYC - Snakeygen 1% 147 45 erk3 0 17 October 2022
pas_valide Powershell DeObfuscation 1% 500 30 hat.time 1 2 April 2021
pas_valide Ringgit 1% 95 110 Cryptanalyse 2 6 October 2019
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 43 65 0x0ff 0 21 July 2023
pas_valide Unity - Mono - Basic Game Hacking 1% 112 50 0x0ff 1 17 October 2022
pas_valide Unity3D Save handling 1% 163 20 Lumy 1 21 July 2023
pas_valide Voracious Nanomites 1% 17 110 Kasen 0 21 July 2023
pas_valide WASM - Find the NPC 1% 229 50 Cyxo 3 26 March 2021
pas_valide WASM - Introduction 1% 1308 15 Cyxo 2 26 March 2021
pas_valide White-Box Cryptography #2 1% 67 130 Cryptanalyse 1 17 July 2019

Challenge Results Challenge Results

Pseudo Challenge Lang Date
marty Cracking  PE x86 - 0 protection fr 5 October 2024 at 16:40
tedi_v Cracking  ELF x86 - Packed fr 5 October 2024 at 16:23
henc0- Cracking  APK - Introduction en 5 October 2024 at 15:37
ejlly Cracking  ELF C++ - 0 protection fr 5 October 2024 at 15:25
HeartWay Cracking  PE DotNet - 0 protection fr 5 October 2024 at 15:20
HeartWay Cracking  ELF MIPS - Basic Crackme fr 5 October 2024 at 15:11
azertyty Cracking  ELF ARM - Basic Crackme fr 5 October 2024 at 15:03
rotaroced_ Cracking  ELF x86 - Fake Instructions fr 5 October 2024 at 14:54
HeartWay Cracking  ELF x64 - Golang basique fr 5 October 2024 at 14:52
azertyty Cracking  ELF x86 - Ptrace fr 5 October 2024 at 14:49