PDF - Javascript

30 Points  0x0

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

Author

koma,  

Level  Difficulty

Validations

1706 Challengers 1%

Note  Notation

1
2
3
4
5
192 Votes

To reach this part of the site please login

solutions 1 Solution

Display solutions Submit a solution

Challenge Results Challenge Results

Pseudo Challenge Lang Date
hard1234 Cracking  PDF - Javascript fr 8 December 2025 at 11:32
assakaf Cracking  PDF - Javascript fr 6 December 2025 at 01:46
Crocogab Cracking  PDF - Javascript fr 3 December 2025 at 16:17
rootfs Cracking  PDF - Javascript fr 27 November 2025 at 12:12
Ssor Cracking  PDF - Javascript fr 24 November 2025 at 11:31
CupOfCoffee Cracking  PDF - Javascript fr 22 November 2025 at 17:25
Zao Cracking  PDF - Javascript fr 21 November 2025 at 17:36
xarelto Cracking  PDF - Javascript fr 20 November 2025 at 12:28
Nikawx Cracking  PDF - Javascript fr 19 November 2025 at 23:58
barecif Cracking  PDF - Javascript fr 15 November 2025 at 11:47

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% 50866 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - Basic 11% 41060 5 g0uZ 10 7 October 2006
pas_valide PE x86 - 0 protection 7% 23220 5 alejandr0 7 11 November 2012
pas_valide ELF C++ - 0 protection 4% 12526 10 sourcePerrier 6 13 July 2016
pas_valide Godot - 0 protection 1% 3135 10 Elf 5 10 June 2022
pas_valide PE DotNet - 0 protection 3% 11340 10 Geluchat 6 15 September 2014
pas_valide APK - Introduction 1% 2498 15 algorab 5 17 October 2022
pas_valide ELF MIPS - Basic Crackme 2% 4932 15 sar 2 9 July 2018
pas_valide ELF x64 - Golang basic 1% 3371 15 jenaye 3 8 November 2018
pas_valide ELF x86 - Fake Instructions 3% 9543 15 kmkz 6 21 February 2010
pas_valide ELF x86 - Ptrace 3% 8422 15 g0uZ 3 27 November 2009
pas_valide Godot - Bytecode 1% 1415 15 Elf 1 10 June 2022
pas_valide WASM - Introduction 1% 1712 15 Cyxo 2 26 March 2021
pas_valide APK - Flutter Debug 1% 786 20 extiop 1 19 June 2022
pas_valide ELF ARM - Basic Crackme 2% 4767 20 0xmitsurugi 7 13 July 2016
pas_valide ELF x64 - Basic KeygenMe 1% 1998 20 fr0g 3 2 September 2020
pas_valide Unity3D Save handling 1% 305 20 Lumy 2 21 July 2023
pas_valide Godot - Mono 1% 901 20 Elf 1 10 June 2022
pas_valide PE DotNet - Basic Anti-Debug 1% 1801 20 nqnt 3 24 March 2021
pas_valide PE DotNet - Basic Crackme 1% 1407 20 nqnt 3 14 April 2021
pas_valide PYC - ByteCode 2% 5586 20 Thanat0s 9 3 July 2013
pas_valide Basic ? crackme 1% 463 25 Dvorhack 1 14 March 2025
pas_valide ELF x86 - No software breakpoints 2% 4240 25 yodzeb 9 2 October 2013
pas_valide Lua - Bytecode 1% 991 25 Bernstein 2 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1652 25 /bin/ls 2 14 April 2017
pas_valide ELF ARM - crackme 1337 1% 2632 30 2 3 February 2011
pas_valide ELF x86 - CrackPass 2% 5610 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 4708 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Random Crackme 1% 3747 30 kmkz 3 3 February 2011
pas_valide GB - Basic GameBoy crackme 1% 1469 30 jambon69 2 14 September 2018
pas_valide PDF - Javascript 1% 1704 30 koma 1 14 February 2012
pas_valide PE x86 - Xor Madness 1% 987 30 ENOENT 3 17 July 2019
pas_valide Powershell DeObfuscation 1% 646 30 hat.time 2 2 April 2021
pas_valide ELF ARM - Crypted 1% 667 35 koma 2 4 September 2012
pas_valide ELF x64 - Crackme automating 1% 1240 35 0xmitsurugi 7 14 August 2018
pas_valide EVM - Bytecode 1% 46 35 Elf 0 14 March 2025
pas_valide Godot - 3D model 1% 556 35 Elf 1 10 June 2022
pas_valide NRO ARM - Switch homebrew 1% 141 35 Elf 0 21 July 2023
pas_valide PE x86 - SEHVEH 1% 1341 35 Thanat0s 1 4 May 2013
pas_valide APK - Anti-debug 1% 2923 40 cryptax 3 18 December 2012
pas_valide APK - Insomni’Droid 1% 1791 40 cryptax 1 4 March 2012
pas_valide ELF x64 - Rust backdoor 1% 212 40 Elf 0 21 July 2023
pas_valide ELF x64 - Rust Crackme 1% 214 40 extiop 1 17 October 2022
pas_valide PE x64 - UEFI Secure Boot 1% 182 40 Solden 1 10 May 2023
pas_valide APK - Root My Droid 1% 1259 45 koma 1 26 February 2012
pas_valide ELF x64 - Nanomites - Introduction 1% 859 45 Phenol 4 4 March 2018
pas_valide ELF x86 - Anti-debug 1% 1987 45 Tosh 4 3 June 2012
pas_valide PE DotNet - KeygenMe 1% 312 45 nqnt 1 14 April 2021
pas_valide PE x64 - Tables in shambles 1% 124 45 0xTRIKKSS 0 28 December 2023
pas_valide PE x86 - AutoPE 1% 905 45 Gr4ph0s 3 5 August 2011
pas_valide PYC - Self Modifying (Byte)Code 1% 130 45 Njörd 1 28 December 2023
pas_valide PYC - Snakeygen 1% 214 45 erk3 0 17 October 2022
pas_valide ELF x86 - KeygenMe 1% 967 50 int_0x80 5 20 July 2011
pas_valide HackerMan 1% 103 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - Mono - Basic Game Hacking 1% 159 50 0x0ff 1 17 October 2022
pas_valide WASM - Find the NPC 1% 295 50 Cyxo 3 26 March 2021
pas_valide PE DotNet - Memory Protect 1% 32 55 Vozec 0 14 March 2025
pas_valide Bash - VM 1% 358 60 govlog 2 25 March 2021
pas_valide ELF x64 - KeyGenMe 1% 192 60 rene-d 1 12 November 2020
pas_valide ELF x64 - Anti-debug and equations 1% 457 65 0xmitsurugi 4 18 July 2016
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 74 65 0x0ff 0 21 July 2023
pas_valide ELF x64 - Nanomites 1% 456 70 Phenol 2 4 March 2018
pas_valide ELF x86 - Packed 1% 461 70 Tosh 3 18 October 2011
pas_valide PE x86 - RunPE 1% 1083 75 Thanat0s 5 16 December 2013
pas_valide PE32+ - KeygenMe 1% 29 85 Redouane 0 14 March 2025
pas_valide ELF x86 - VM 1% 659 90 Thanat0s 7 16 June 2013
pas_valide ELF x64 - Hidden Control Flow 1% 169 100 so3 1 18 November 2020
pas_valide Ringgit 1% 112 110 Cryptanalyse 2 6 October 2019
pas_valide Voracious Nanomites 1% 31 110 Kasen 0 21 July 2023
pas_valide White-Box Cryptography #2 1% 78 130 Cryptanalyse 1 17 July 2019