PDF - Javascript

30 Points  0x0

This challenge was part of Hack.lu’s 2011 CTF

Author

koma,  

Level  Difficulty

Validations

1659 Challengers 1%

Note  Notation

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190 Votes

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solutions 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Kpop_Latios Cracking  PDF - Javascript fr 23 October 2022 at 22:30
youngGeorg Cracking  PDF - Javascript en 22 October 2022 at 14:01
Max Cracking  PDF - Javascript fr 9 October 2022 at 17:22
SwannGln Cracking  PDF - Javascript fr 9 October 2022 at 13:04
Abyss Watcher Cracking  PDF - Javascript fr 7 October 2022 at 10:54
maxspl Cracking  PDF - Javascript fr 4 October 2022 at 23:04
mhoste Cracking  PDF - Javascript fr 4 October 2022 at 10:34
mouthon Cracking  PDF - Javascript fr 3 October 2022 at 11:33
Laura Cracking  PDF - Javascript fr 29 September 2022 at 17:24
Oblivios Cracking  PDF - Javascript fr 26 September 2022 at 23:05

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% 49031 5 g0uZ 10 7 October 2006
pas_valide Godot - 0 protection 1% 2697 10 Elf 5 10 June 2022
pas_valide PE DotNet - 0 protection 3% 10914 10 Geluchat 6 15 September 2014
pas_valide ELF x86 - Basic 11% 39587 5 g0uZ 10 7 October 2006
pas_valide ELF C++ - 0 protection 4% 11865 10 sourcePerrier 6 13 July 2016
pas_valide PE x86 - 0 protection 7% 22247 5 alejandr0 7 11 November 2012
pas_valide WASM - Introduction 1% 1576 15 Cyxo 2 26 March 2021
pas_valide PE DotNet - Basic Crackme 1% 1294 20 nqnt 3 14 April 2021
pas_valide Godot - Mono 1% 793 20 Elf 1 10 June 2022
pas_valide ELF x64 - Basic KeygenMe 1% 1819 20 fr0g 3 2 September 2020
pas_valide ELF ARM - Basic Crackme 2% 4535 20 0xmitsurugi 7 13 July 2016
pas_valide PYC - ByteCode 2% 5440 20 Thanat0s 9 3 July 2013
pas_valide Godot - Bytecode 1% 1244 15 Elf 1 10 June 2022
pas_valide ELF x64 - Golang basic 1% 3178 15 jenaye 3 8 November 2018
pas_valide APK - Introduction 1% 2190 15 algorab 5 17 October 2022
pas_valide ELF MIPS - Basic Crackme 2% 4648 15 sar 2 9 July 2018
pas_valide PE DotNet - Basic Anti-Debug 1% 1675 20 nqnt 3 24 March 2021
pas_valide ELF x86 - Fake Instructions 3% 9270 15 kmkz 6 21 February 2010
pas_valide ELF x86 - Ptrace 3% 8152 15 g0uZ 3 27 November 2009
pas_valide ELF x86 - KeygenMe 1% 929 50 int_0x80 5 20 July 2011
pas_valide APK - Root My Droid 1% 1214 45 koma 1 26 February 2012
pas_valide PE x86 - SEHVEH 1% 1305 35 Thanat0s 1 4 May 2013
pas_valide APK - Anti-debug 1% 2828 40 cryptax 3 18 December 2012
pas_valide APK - Insomni’Droid 1% 1731 40 cryptax 1 4 March 2012
pas_valide ELF x64 - Rust backdoor 1% 168 40 Elf 0 21 July 2023
pas_valide ELF x64 - Rust Crackme 1% 178 40 extiop 1 17 October 2022
pas_valide PE x64 - UEFI Secure Boot 1% 152 40 Solden 1 10 May 2023
pas_valide ELF x86 - Anti-debug 1% 1910 45 Tosh 4 3 June 2012
pas_valide ELF x64 - Nanomites - Introduction 1% 806 45 Phenol 4 4 March 2018
pas_valide NRO ARM - Switch homebrew 1% 129 35 Elf 0 21 July 2023
pas_valide PE DotNet - KeygenMe 1% 295 45 nqnt 1 14 April 2021
pas_valide WASM - Find the NPC 1% 269 50 Cyxo 3 26 March 2021
pas_valide PE x86 - AutoPE 1% 883 45 Gr4ph0s 3 5 August 2011
pas_valide PYC - Self Modifying (Byte)Code 1% 100 45 Njörd 1 28 December 2023
pas_valide PYC - Snakeygen 1% 190 45 erk3 0 17 October 2022
pas_valide PE x64 - Tables in shambles 1% 99 45 0xTRIKKSS 0 28 December 2023
pas_valide EVM - Bytecode 1% 17 35 Elf 0 14 March 2025
pas_valide Godot - 3D model 1% 490 35 Elf 1 10 June 2022
pas_valide ELF ARM - crackme 1337 1% 2532 30 2 3 February 2011
pas_valide APK - Flutter Debug 1% 686 20 extiop 1 19 June 2022
pas_valide ELF x64 - Crackme automating 1% 1179 35 0xmitsurugi 7 14 August 2018
pas_valide Unity3D Save handling 1% 250 20 Lumy 2 21 July 2023
pas_valide Basic ? crackme 1% 267 25 Dvorhack 1 14 March 2025
pas_valide ELF x86 - No software breakpoints 2% 4120 25 yodzeb 9 2 October 2013
pas_valide Lua - Bytecode 1% 899 25 Bernstein 2 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1593 25 /bin/ls 2 14 April 2017
pas_valide ELF x86 - CrackPass 2% 5446 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 4588 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Random Crackme 1% 3645 30 kmkz 3 3 February 2011
pas_valide GB - Basic GameBoy crackme 1% 1413 30 jambon69 2 14 September 2018
pas_valide PDF - Javascript 1% 1659 30 koma 1 14 February 2012
pas_valide PE x86 - Xor Madness 1% 933 30 ENOENT 3 17 July 2019
pas_valide Powershell DeObfuscation 1% 591 30 hat.time 2 2 April 2021
pas_valide ELF ARM - Crypted 1% 648 35 koma 2 4 September 2012
pas_valide ELF x64 - Nanomites 1% 426 70 Phenol 2 4 March 2018
pas_valide ELF x64 - Hidden Control Flow 1% 154 100 so3 1 18 November 2020
pas_valide ELF x86 - VM 1% 632 90 Thanat0s 7 16 June 2013
pas_valide PE32+ - KeygenMe 1% 11 85 Redouane 0 14 March 2025
pas_valide PE x86 - RunPE 1% 1033 75 Thanat0s 5 16 December 2013
pas_valide ELF x86 - Packed 1% 445 70 Tosh 3 18 October 2011
pas_valide HackerMan 1% 91 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 67 65 0x0ff 0 21 July 2023
pas_valide ELF x64 - Anti-debug and equations 1% 439 65 0xmitsurugi 4 18 July 2016
pas_valide ELF x64 - KeyGenMe 1% 174 60 rene-d 1 12 November 2020
pas_valide Bash - VM 1% 329 60 govlog 2 25 March 2021
pas_valide PE DotNet - Memory Protect 1% 12 55 Vozec 0 14 March 2025
pas_valide Unity - Mono - Basic Game Hacking 1% 145 50 0x0ff 1 17 October 2022
pas_valide Ringgit 1% 104 110 Cryptanalyse 2 6 October 2019
pas_valide Voracious Nanomites 1% 23 110 Kasen 0 21 July 2023
pas_valide White-Box Cryptography #2 1% 73 130 Cryptanalyse 1 17 July 2019