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% 46763 5 g0uZ 10 7 October 2006
pas_valide PE x86 - 0 protection 6% 21016 5 alejandr0 7 11 November 2012
pas_valide ELF C++ - 0 protection 4% 11144 10 sourcePerrier 6 13 July 2016
pas_valide Godot - 0 protection 1% 2178 10 Elf 4 10 June 2022
pas_valide PE DotNet - 0 protection 3% 10350 10 Geluchat 6 15 September 2014
pas_valide ELF x86 - Basic 11% 37709 5 g0uZ 10 7 October 2006
pas_valide ELF ARM - Basic Crackme 2% 4263 20 0xmitsurugi 7 13 July 2016
pas_valide PYC - ByteCode 2% 5255 20 Thanat0s 9 3 July 2013
pas_valide PE DotNet - Basic Crackme 1% 1188 20 nqnt 3 14 April 2021
pas_valide PE DotNet - Basic Anti-Debug 1% 1517 20 nqnt 3 24 March 2021
pas_valide ELF x64 - Basic KeygenMe 1% 1642 20 fr0g 3 2 September 2020
pas_valide Godot - Mono 1% 699 20 Elf 1 10 June 2022
pas_valide WASM - Introduction 1% 1394 15 Cyxo 2 26 March 2021
pas_valide Godot - Bytecode 1% 1062 15 Elf 1 10 June 2022
pas_valide ELF x86 - Ptrace 3% 7853 15 g0uZ 3 27 November 2009
pas_valide APK - Introduction 1% 1828 15 Algorab 5 17 October 2022
pas_valide ELF x86 - Fake Instructions 3% 8955 15 kmkz 5 21 February 2010
pas_valide ELF x64 - Golang basic 1% 2943 15 jenaye 3 8 November 2018
pas_valide ELF MIPS - Basic Crackme 2% 4302 15 sar 2 9 July 2018
pas_valide ELF x64 - Nanomites - Introduction 1% 758 45 Phenol 4 4 March 2018
pas_valide APK - Insomni’Droid 1% 1668 40 cryptax 1 4 March 2012
pas_valide ELF x64 - Rust backdoor 1% 125 40 Elf 0 21 July 2023
pas_valide ELF x64 - Rust Crackme 1% 155 40 extiop 0 17 October 2022
pas_valide PE x64 - UEFI Secure Boot 1% 140 40 Solden 1 10 May 2023
pas_valide APK - Root My Droid 1% 1181 45 koma 1 26 February 2012
pas_valide PE x86 - AutoPE 1% 851 45 Gr4ph0s 3 5 August 2011
pas_valide ELF x86 - Anti-debug 1% 1832 45 Tosh 4 3 June 2012
pas_valide PE DotNet - KeygenMe 1% 275 45 nqnt 1 14 April 2021
pas_valide PE x64 - Tables in shambles 1% 74 45 0xTRIKKSS 0 28 December 2023
pas_valide WASM - Find the NPC 1% 241 50 Cyxo 3 26 March 2021
pas_valide PYC - Self Modifying (Byte)Code 1% 81 45 Njörd 1 28 December 2023
pas_valide PYC - Snakeygen 1% 167 45 erk3 0 17 October 2022
pas_valide PE x86 - SEHVEH 1% 1250 35 Thanat0s 1 4 May 2013
pas_valide ELF x86 - KeygenMe 1% 892 50 int_0x80 5 20 July 2011
pas_valide APK - Anti-debug 1% 2703 40 cryptax 3 18 December 2012
pas_valide ELF x64 - Crackme automating 1% 1113 35 0xmitsurugi 7 14 August 2018
pas_valide NRO ARM - Switch homebrew 1% 115 35 Elf 0 21 July 2023
pas_valide ELF x86 - CrackPass 2% 5247 30 Tosh 5 3 February 2011
pas_valide APK - Flutter Debug 1% 603 20 extiop 1 19 June 2022
pas_valide Godot - 3D model 1% 439 35 Elf 1 10 June 2022
pas_valide Unity3D Save handling 1% 201 20 Lumy 1 21 July 2023
pas_valide ELF x86 - No software breakpoints 2% 3979 25 yodzeb 9 2 October 2013
pas_valide Lua - Bytecode 1% 793 25 Bernstein 2 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1529 25 /bin/ls 2 14 April 2017
pas_valide ELF ARM - crackme 1337 1% 2427 30 2 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 4437 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Random Crackme 2% 3515 30 kmkz 3 3 February 2011
pas_valide GB - Basic GameBoy crackme 1% 1336 30 jambon69 2 14 September 2018
pas_valide PDF - Javascript 1% 1594 30 koma 1 14 February 2012
pas_valide PE x86 - Xor Madness 1% 860 30 ENOENT 3 17 July 2019
pas_valide Powershell DeObfuscation 1% 542 30 hat.time 1 2 April 2021
pas_valide ELF ARM - Crypted 1% 634 35 koma 2 4 September 2012
pas_valide ELF x64 - Nanomites 1% 405 70 Phenol 2 4 March 2018
pas_valide ELF x64 - Hidden Control Flow 1% 141 100 so3 1 18 November 2020
pas_valide ELF x86 - VM 1% 613 90 Thanat0s 7 16 June 2013
pas_valide PE x86 - RunPE 1% 968 75 Thanat0s 5 16 December 2013
pas_valide ELF x86 - Packed 1% 437 70 Tosh 3 18 October 2011
pas_valide HackerMan 1% 72 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 56 65 0x0ff 0 21 July 2023
pas_valide ELF x64 - Anti-debug and equations 1% 426 65 0xmitsurugi 4 18 July 2016
pas_valide ELF x64 - KeyGenMe 1% 160 60 rene-d 1 12 November 2020
pas_valide Bash - VM 1% 305 60 govlog 2 25 March 2021
pas_valide Unity - Mono - Basic Game Hacking 1% 131 50 0x0ff 1 17 October 2022
pas_valide Ringgit 1% 96 110 Cryptanalyse 2 6 October 2019
pas_valide Voracious Nanomites 1% 22 110 Kasen 0 21 July 2023
pas_valide White-Box Cryptography #2 1% 72 130 Cryptanalyse 1 17 July 2019

Challenge Results Challenge Results

Pseudo Challenge Lang Date
crippy Cracking  ELF x86 - Ptrace fr 22 January 2025 at 19:18
shrekye Cracking  ELF x86 - Basique fr 22 January 2025 at 19:14
pur1rin Cracking  ELF x86 - 0 protection fr 22 January 2025 at 19:05
Gelven Cracking  ELF x64 - Golang basique fr 22 January 2025 at 18:54
Ichinose_0x3b Cracking  ELF x64 - Golang basique fr 22 January 2025 at 18:53
Lhu Cracking  WASM - Introduction fr 22 January 2025 at 18:50
Kalith Cracking  ELF x86 - Ptrace fr 22 January 2025 at 18:29
mercure Cracking  ELF x86 - 0 protection fr 22 January 2025 at 18:12
Gelven Cracking  PE DotNet - 0 protection fr 22 January 2025 at 17:44
kat-beam Cracking  ELF x86 - Basic es 22 January 2025 at 17:44