PYC - Self Modifying (Byte)Code

45 Points  0x0

It’s also possible in Python!

Author

Njörd,  

Level  Difficulty

Validations

72 Challengers 1%

Note  Notation

1
2
3
4
5
19 Votes

To reach this part of the site please login

solutions 1 Solution

Display solutions Submit a solution
You should validate this challenge first

Challenge Results Challenge Results

Pseudo Challenge Lang Date
TheRealOne Cracking  PYC - Self Modifying (Byte)Code fr 29 November 2024 at 17:50
CeliTop Cracking  PYC - Self Modifying (Byte)Code fr 27 November 2024 at 10:14
zBlxst Cracking  PYC - Self Modifying (Byte)Code fr 26 November 2024 at 14:10
roubachof Cracking  PYC - Self Modifying (Byte)Code fr 17 November 2024 at 19:08
Pyfu Cracking  PYC - Self Modifying (Byte)Code fr 13 November 2024 at 19:01
Jeyo Cracking  PYC - Self Modifying (Byte)Code fr 13 November 2024 at 13:58
Ronino1313 Cracking  PYC - Self Modifying (Byte)Code fr 4 November 2024 at 18:37
DAlexis12 Cracking  PYC - Self Modifying (Byte)Code fr 28 October 2024 at 19:28
kevin.mille Cracking  PYC - Self Modifying (Byte)Code fr 11 October 2024 at 18:08
D0pp3lgang3r Cracking  PYC - Self Modifying (Byte)Code fr 7 October 2024 at 18:53

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% 46258 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - Basic 11% 37286 5 g0uZ 10 7 October 2006
pas_valide PE x86 - 0 protection 6% 20722 5 alejandr0 7 11 November 2012
pas_valide ELF C++ - 0 protection 4% 10986 10 sourcePerrier 6 13 July 2016
pas_valide Godot - 0 protection 1% 2060 10 Elf 4 10 June 2022
pas_valide PE DotNet - 0 protection 3% 10199 10 Geluchat 6 15 September 2014
pas_valide APK - Introduction 1% 1745 15 Algorab 5 17 October 2022
pas_valide ELF MIPS - Basic Crackme 2% 4222 15 sar 2 9 July 2018
pas_valide ELF x64 - Golang basic 1% 2894 15 jenaye 3 8 November 2018
pas_valide ELF x86 - Fake Instructions 3% 8875 15 kmkz 5 21 February 2010
pas_valide ELF x86 - Ptrace 3% 7779 15 g0uZ 3 27 November 2009
pas_valide Godot - Bytecode 1% 1012 15 Elf 1 10 June 2022
pas_valide WASM - Introduction 1% 1357 15 Cyxo 2 26 March 2021
pas_valide APK - Flutter Debug 1% 586 20 extiop 1 19 June 2022
pas_valide ELF ARM - Basic Crackme 2% 4202 20 0xmitsurugi 7 13 July 2016
pas_valide ELF x64 - Basic KeygenMe 1% 1595 20 fr0g 3 2 September 2020
pas_valide Unity3D Save handling 1% 184 20 Lumy 1 21 July 2023
pas_valide Godot - Mono 1% 676 20 Elf 1 10 June 2022
pas_valide PE DotNet - Basic Anti-Debug 1% 1476 20 nqnt 3 24 March 2021
pas_valide PE DotNet - Basic Crackme 1% 1166 20 nqnt 2 14 April 2021
pas_valide PYC - ByteCode 2% 5218 20 Thanat0s 9 3 July 2013
pas_valide ELF x86 - No software breakpoints 2% 3948 25 yodzeb 9 2 October 2013
pas_valide Lua - Bytecode 1% 770 25 Bernstein 2 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1510 25 /bin/ls 2 14 April 2017
pas_valide ELF ARM - crackme 1337 1% 2405 30 2 3 February 2011
pas_valide ELF x86 - CrackPass 2% 5204 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 4415 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Random Crackme 2% 3491 30 kmkz 3 3 February 2011
pas_valide GB - Basic GameBoy crackme 1% 1314 30 jambon69 2 14 September 2018
pas_valide PDF - Javascript 1% 1573 30 koma 1 14 February 2012
pas_valide PE x86 - Xor Madness 1% 848 30 ENOENT 3 17 July 2019
pas_valide Powershell DeObfuscation 1% 528 30 hat.time 1 2 April 2021
pas_valide ELF ARM - Crypted 1% 631 35 koma 2 4 September 2012
pas_valide ELF x64 - Crackme automating 1% 1101 35 0xmitsurugi 7 14 August 2018
pas_valide Godot - 3D model 1% 426 35 Elf 1 10 June 2022
pas_valide NRO ARM - Switch homebrew 1% 109 35 Elf 0 21 July 2023
pas_valide PE x86 - SEHVEH 1% 1242 35 Thanat0s 1 4 May 2013
pas_valide APK - Anti-debug 1% 2659 40 cryptax 3 18 December 2012
pas_valide APK - Insomni’Droid 1% 1650 40 cryptax 1 4 March 2012
pas_valide ELF x64 - Rust backdoor 1% 109 40 Elf 0 21 July 2023
pas_valide ELF x64 - Rust Crackme 1% 143 40 extiop 0 17 October 2022
pas_valide PE x64 - UEFI Secure Boot 1% 126 40 Solden 1 10 May 2023
pas_valide APK - Root My Droid 1% 1170 45 koma 1 26 February 2012
pas_valide ELF x64 - Nanomites - Introduction 1% 738 45 Phenol 4 4 March 2018
pas_valide ELF x86 - Anti-debug 1% 1816 45 Tosh 4 3 June 2012
pas_valide PE DotNet - KeygenMe 1% 268 45 nqnt 1 14 April 2021
pas_valide PE x64 - Tables in shambles 1% 66 45 0xTRIKKSS 0 28 December 2023
pas_valide PE x86 - AutoPE 1% 839 45 Gr4ph0s 3 5 August 2011
pas_valide PYC - Self Modifying (Byte)Code 1% 72 45 Njörd 1 28 December 2023
pas_valide PYC - Snakeygen 1% 158 45 erk3 0 17 October 2022
pas_valide ELF x86 - KeygenMe 1% 878 50 int_0x80 5 20 July 2011
pas_valide HackerMan 1% 68 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - Mono - Basic Game Hacking 1% 124 50 0x0ff 1 17 October 2022
pas_valide WASM - Find the NPC 1% 233 50 Cyxo 3 26 March 2021
pas_valide Bash - VM 1% 296 60 govlog 2 25 March 2021
pas_valide ELF x64 - KeyGenMe 1% 151 60 rene-d 1 12 November 2020
pas_valide ELF x64 - Anti-debug and equations 1% 416 65 0xmitsurugi 4 18 July 2016
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 49 65 0x0ff 0 21 July 2023
pas_valide ELF x64 - Nanomites 1% 391 70 Phenol 2 4 March 2018
pas_valide ELF x86 - Packed 1% 428 70 Tosh 3 18 October 2011
pas_valide PE x86 - RunPE 1% 957 75 Thanat0s 5 16 December 2013
pas_valide ELF x86 - VM 1% 606 90 Thanat0s 7 16 June 2013
pas_valide ELF x64 - Hidden Control Flow 1% 136 100 so3 1 18 November 2020
pas_valide Ringgit 1% 95 110 Cryptanalyse 2 6 October 2019
pas_valide Voracious Nanomites 1% 18 110 Kasen 0 21 July 2023
pas_valide White-Box Cryptography #2 1% 71 130 Cryptanalyse 1 17 July 2019