PYC - Self Modifying (Byte)Code

45 Points  0x0

It’s also possible in Python!

Author

Njörd,  

Level  Difficulty

Validations

81 Challengers 1%

Note  Notation

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21 Votes

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solutions 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Leo Cracking  PYC - Self Modifying (Byte)Code en 14 January 2025 at 17:11
lulu Cracking  PYC - Self Modifying (Byte)Code fr 14 January 2025 at 16:37
kStor2poche Cracking  PYC - Self Modifying (Byte)Code fr 12 January 2025 at 21:15
Garab Cracking  PYC - Self Modifying (Byte)Code fr 3 January 2025 at 17:45
Korsan Cracking  PYC - Self Modifying (Byte)Code fr 2 January 2025 at 00:11
anh_nguyen Cracking  PYC - Self Modifying (Byte)Code en 31 December 2024 at 16:24
StackBredala Cracking  PYC - Self Modifying (Byte)Code fr 30 December 2024 at 08:22
0v41n Cracking  PYC - Self Modifying (Byte)Code fr 27 December 2024 at 22:50
tien0246 Cracking  PYC - Self Modifying (Byte)Code en 13 December 2024 at 01:31
TheRealOne Cracking  PYC - Self Modifying (Byte)Code fr 29 November 2024 at 17:50

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 ELF x86 - Basic 11% 37709 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 APK - Introduction 1% 1828 15 Algorab 5 17 October 2022
pas_valide ELF MIPS - Basic Crackme 2% 4302 15 sar 2 9 July 2018
pas_valide ELF x64 - Golang basic 1% 2943 15 jenaye 3 8 November 2018
pas_valide ELF x86 - Fake Instructions 3% 8955 15 kmkz 5 21 February 2010
pas_valide ELF x86 - Ptrace 3% 7853 15 g0uZ 3 27 November 2009
pas_valide Godot - Bytecode 1% 1062 15 Elf 1 10 June 2022
pas_valide WASM - Introduction 1% 1394 15 Cyxo 2 26 March 2021
pas_valide APK - Flutter Debug 1% 603 20 extiop 1 19 June 2022
pas_valide ELF ARM - Basic Crackme 2% 4263 20 0xmitsurugi 7 13 July 2016
pas_valide ELF x64 - Basic KeygenMe 1% 1642 20 fr0g 3 2 September 2020
pas_valide Unity3D Save handling 1% 201 20 Lumy 1 21 July 2023
pas_valide Godot - Mono 1% 699 20 Elf 1 10 June 2022
pas_valide PE DotNet - Basic Anti-Debug 1% 1517 20 nqnt 3 24 March 2021
pas_valide PE DotNet - Basic Crackme 1% 1188 20 nqnt 3 14 April 2021
pas_valide PYC - ByteCode 2% 5255 20 Thanat0s 9 3 July 2013
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 - CrackPass 2% 5247 30 Tosh 5 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 - Crackme automating 1% 1113 35 0xmitsurugi 7 14 August 2018
pas_valide Godot - 3D model 1% 439 35 Elf 1 10 June 2022
pas_valide NRO ARM - Switch homebrew 1% 115 35 Elf 0 21 July 2023
pas_valide PE x86 - SEHVEH 1% 1250 35 Thanat0s 1 4 May 2013
pas_valide APK - Anti-debug 1% 2703 40 cryptax 3 18 December 2012
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 ELF x64 - Nanomites - Introduction 1% 758 45 Phenol 4 4 March 2018
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 PE x86 - AutoPE 1% 851 45 Gr4ph0s 3 5 August 2011
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 ELF x86 - KeygenMe 1% 892 50 int_0x80 5 20 July 2011
pas_valide HackerMan 1% 72 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - Mono - Basic Game Hacking 1% 131 50 0x0ff 1 17 October 2022
pas_valide WASM - Find the NPC 1% 241 50 Cyxo 3 26 March 2021
pas_valide Bash - VM 1% 305 60 govlog 2 25 March 2021
pas_valide ELF x64 - KeyGenMe 1% 160 60 rene-d 1 12 November 2020
pas_valide ELF x64 - Anti-debug and equations 1% 426 65 0xmitsurugi 4 18 July 2016
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 56 65 0x0ff 0 21 July 2023
pas_valide ELF x64 - Nanomites 1% 405 70 Phenol 2 4 March 2018
pas_valide ELF x86 - Packed 1% 437 70 Tosh 3 18 October 2011
pas_valide PE x86 - RunPE 1% 968 75 Thanat0s 5 16 December 2013
pas_valide ELF x86 - VM 1% 613 90 Thanat0s 7 16 June 2013
pas_valide ELF x64 - Hidden Control Flow 1% 141 100 so3 1 18 November 2020
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