APK - Introduction

15 Points  0x0

Small entry into the world of Android...

Author

algorab,  

Level  Difficulty

Validations

2280 Challengers 1%

Note  Notation

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111 Votes

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solutions 5 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Amer_Ahmed Cracking  APK - Introduction en 29 August 2025 at 20:40
__imHAX__ Cracking  APK - Introduction fr 27 August 2025 at 22:28
naxylRTT Cracking  APK - Introduction fr 27 August 2025 at 16:10
k8pl3r Cracking  APK - Introduction en 27 August 2025 at 15:00
nick_nem Cracking  APK - Introduction en 27 August 2025 at 13:24
thongtryctf Cracking  APK - Introduction en 26 August 2025 at 19:28
Kakadu999 Cracking  APK - Introduction fr 26 August 2025 at 15:32
dlamboni Cracking  APK - Introduction fr 25 August 2025 at 18:37
3akev Cracking  APK - Introduction fr 23 August 2025 at 22:56
dubosq Cracking  APK - Introduction en 22 August 2025 at 13:42

challenges 70 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% 49546 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - Basic 11% 40010 5 g0uZ 10 7 October 2006
pas_valide PE x86 - 0 protection 7% 22540 5 alejandr0 7 11 November 2012
pas_valide ELF C++ - 0 protection 4% 12070 10 sourcePerrier 6 13 July 2016
pas_valide Godot - 0 protection 1% 2837 10 Elf 5 10 June 2022
pas_valide PE DotNet - 0 protection 3% 11054 10 Geluchat 6 15 September 2014
pas_valide APK - Introduction 1% 2280 15 algorab 5 17 October 2022
pas_valide ELF MIPS - Basic Crackme 2% 4740 15 sar 2 9 July 2018
pas_valide ELF x64 - Golang basic 1% 3253 15 jenaye 3 8 November 2018
pas_valide ELF x86 - Fake Instructions 3% 9357 15 kmkz 6 21 February 2010
pas_valide ELF x86 - Ptrace 3% 8234 15 g0uZ 3 27 November 2009
pas_valide Godot - Bytecode 1% 1303 15 Elf 1 10 June 2022
pas_valide WASM - Introduction 1% 1609 15 Cyxo 2 26 March 2021
pas_valide APK - Flutter Debug 1% 719 20 extiop 1 19 June 2022
pas_valide ELF ARM - Basic Crackme 2% 4603 20 0xmitsurugi 7 13 July 2016
pas_valide ELF x64 - Basic KeygenMe 1% 1886 20 fr0g 3 2 September 2020
pas_valide Unity3D Save handling 1% 270 20 Lumy 2 21 July 2023
pas_valide Godot - Mono 1% 839 20 Elf 1 10 June 2022
pas_valide PE DotNet - Basic Anti-Debug 1% 1721 20 nqnt 3 24 March 2021
pas_valide PE DotNet - Basic Crackme 1% 1332 20 nqnt 3 14 April 2021
pas_valide PYC - ByteCode 2% 5491 20 Thanat0s 9 3 July 2013
pas_valide Basic ? crackme 1% 342 25 Dvorhack 1 14 March 2025
pas_valide ELF x86 - No software breakpoints 2% 4160 25 yodzeb 9 2 October 2013
pas_valide Lua - Bytecode 1% 930 25 Bernstein 2 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1613 25 /bin/ls 2 14 April 2017
pas_valide ELF ARM - crackme 1337 1% 2563 30 2 3 February 2011
pas_valide ELF x86 - CrackPass 2% 5506 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 4630 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Random Crackme 1% 3680 30 kmkz 3 3 February 2011
pas_valide GB - Basic GameBoy crackme 1% 1440 30 jambon69 2 14 September 2018
pas_valide PDF - Javascript 1% 1677 30 koma 1 14 February 2012
pas_valide PE x86 - Xor Madness 1% 955 30 ENOENT 3 17 July 2019
pas_valide Powershell DeObfuscation 1% 616 30 hat.time 2 2 April 2021
pas_valide ELF ARM - Crypted 1% 656 35 koma 2 4 September 2012
pas_valide ELF x64 - Crackme automating 1% 1199 35 0xmitsurugi 7 14 August 2018
pas_valide EVM - Bytecode 1% 19 35 Elf 0 14 March 2025
pas_valide Godot - 3D model 1% 516 35 Elf 1 10 June 2022
pas_valide NRO ARM - Switch homebrew 1% 133 35 Elf 0 21 July 2023
pas_valide PE x86 - SEHVEH 1% 1314 35 Thanat0s 1 4 May 2013
pas_valide APK - Anti-debug 1% 2864 40 cryptax 3 18 December 2012
pas_valide APK - Insomni’Droid 1% 1753 40 cryptax 1 4 March 2012
pas_valide ELF x64 - Rust backdoor 1% 180 40 Elf 0 21 July 2023
pas_valide ELF x64 - Rust Crackme 1% 193 40 extiop 1 17 October 2022
pas_valide PE x64 - UEFI Secure Boot 1% 159 40 Solden 1 10 May 2023
pas_valide APK - Root My Droid 1% 1232 45 koma 1 26 February 2012
pas_valide ELF x64 - Nanomites - Introduction 1% 825 45 Phenol 4 4 March 2018
pas_valide ELF x86 - Anti-debug 1% 1933 45 Tosh 4 3 June 2012
pas_valide PE DotNet - KeygenMe 1% 300 45 nqnt 1 14 April 2021
pas_valide PE x64 - Tables in shambles 1% 107 45 0xTRIKKSS 0 28 December 2023
pas_valide PE x86 - AutoPE 1% 894 45 Gr4ph0s 3 5 August 2011
pas_valide PYC - Self Modifying (Byte)Code 1% 109 45 Njörd 1 28 December 2023
pas_valide PYC - Snakeygen 1% 197 45 erk3 0 17 October 2022
pas_valide ELF x86 - KeygenMe 1% 940 50 int_0x80 5 20 July 2011
pas_valide HackerMan 1% 93 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - Mono - Basic Game Hacking 1% 150 50 0x0ff 1 17 October 2022
pas_valide WASM - Find the NPC 1% 277 50 Cyxo 3 26 March 2021
pas_valide PE DotNet - Memory Protect 1% 16 55 Vozec 0 14 March 2025
pas_valide Bash - VM 1% 339 60 govlog 2 25 March 2021
pas_valide ELF x64 - KeyGenMe 1% 182 60 rene-d 1 12 November 2020
pas_valide ELF x64 - Anti-debug and equations 1% 448 65 0xmitsurugi 4 18 July 2016
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 70 65 0x0ff 0 21 July 2023
pas_valide ELF x64 - Nanomites 1% 440 70 Phenol 2 4 March 2018
pas_valide ELF x86 - Packed 1% 454 70 Tosh 3 18 October 2011
pas_valide PE x86 - RunPE 1% 1051 75 Thanat0s 5 16 December 2013
pas_valide PE32+ - KeygenMe 1% 14 85 Redouane 0 14 March 2025
pas_valide ELF x86 - VM 1% 647 90 Thanat0s 7 16 June 2013
pas_valide ELF x64 - Hidden Control Flow 1% 162 100 so3 1 18 November 2020
pas_valide Ringgit 1% 110 110 Cryptanalyse 2 6 October 2019
pas_valide Voracious Nanomites 1% 27 110 Kasen 0 21 July 2023
pas_valide White-Box Cryptography #2 1% 76 130 Cryptanalyse 1 17 July 2019