ELF x86 - Ptrace

15 Points  0x0

Compiled with GCC32 4.3.4 on linux gentoo.

Author

g0uZ,  

Level  Difficulty

Validations

0 Challengers 3%

Note  Notation

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224 Votes

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 3 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
SSHNuke0   ELF x86 - Ptrace 24 July 2021 at 06:19
Fabrisme   ELF x86 - Ptrace 23 July 2021 at 15:53
Spinozaure   ELF x86 - Ptrace 23 July 2021 at 12:36
Fitz   ELF x86 - Ptrace 23 July 2021 at 09:11
Pertinax   ELF x86 - Ptrace 23 July 2021 at 01:04
Cynex   ELF x86 - Ptrace 21 July 2021 at 19:51
yelhamer   ELF x86 - Ptrace 19 July 2021 at 21:24
Ashyrogi   ELF x86 - Ptrace 19 July 2021 at 15:55
leopold   ELF x86 - Ptrace 18 July 2021 at 14:57
TrueJedi   ELF x86 - Ptrace 16 July 2021 at 11:36

 46 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide ELF x86 - 0 protection 15% 31728 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - Basic 12% 25648 5 g0uZ 10 7 October 2006
pas_valide PE x86 - 0 protection 7% 13621 5 alejandr0 6 11 November 2012
pas_valide ELF C++ - 0 protection 3% 6742 10 sourcePerrier 4 13 July 2016
pas_valide PE DotNet - 0 protection 4% 7123 10 Geluchat 5 15 September 2014
pas_valide ELF MIPS - Basic Crackme 2% 2294 15 sar 2 9 July 2018
pas_valide ELF x64 - Golang basic 1% 1625 15 jenaye 3 8 November 2018
pas_valide ELF x86 - Fake Instructions 3% 6553 15 kmkz 5 21 February 2010
pas_valide ELF x86 - Ptrace 3% 5731 15 g0uZ 3 27 November 2009
pas_valide WASM - Introduction 1% 211 15 Cyxo 0 26 March 2021
pas_valide ELF ARM - Basic Crackme 2% 2799 20 0xmitsurugi 7 13 July 2016
pas_valide ELF x64 - Basic KeygenMe 1% 512 20 fr0g 3 2 September 2020
pas_valide PE DotNet - Basic Anti-Debug 1% 343 20 nqnt 1 24 March 2021
pas_valide PE DotNet - Basic Crackme 1% 217 20 nqnt 0 14 April 2021
pas_valide PYC - ByteCode 2% 3937 20 Thanat0s 9 3 July 2013
pas_valide ELF x86 - No software breakpoints 2% 3056 25 yodzeb 8 2 October 2013
pas_valide Lua - Bytecode 1% 183 25 Bernstein 1 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1138 25 /bin/ls 1 14 April 2017
pas_valide ELF ARM - crackme 1337 1% 1748 30 Anonymous 2 3 February 2011
pas_valide ELF x86 - CrackPass 2% 3788 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 3337 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Random Crackme 2% 2644 30 kmkz 3 3 February 2011
pas_valide GB - Basic GameBoy crackme 1% 789 30 jambon69 2 14 September 2018
pas_valide PDF - Javascript 1% 1208 30 koma 1 14 February 2012
pas_valide PE x86 - Xor Madness 1% 468 30 ENOENT 3 17 July 2019
pas_valide ELF ARM - Crypted 1% 492 35 koma 2 4 September 2012
pas_valide ELF x64 - Crackme automating 1% 688 35 0xmitsurugi 7 14 August 2018
pas_valide PE x86 - SEHVEH 1% 912 35 Thanat0s 1 4 May 2013
pas_valide Powershell DeObfuscation 1% 129 35 hat.time 0 2 April 2021
pas_valide APK - Anti-debug 1% 1776 40 cryptax 3 18 December 2012
pas_valide ELF x64 - Nanomites - Introduction 1% 461 45 Phenol 2 4 March 2018
pas_valide ELF x86 - Anti-debug 1% 1364 45 Tosh 3 3 June 2012
pas_valide PE DotNet - KeygenMe 1% 61 45 nqnt 0 14 April 2021
pas_valide PE x86 - AutoPE 1% 633 45 Gr4ph0s 3 5 August 2011
pas_valide ELF x86 - KeygenMe 1% 648 50 int_0x80 5 20 July 2011
pas_valide WASM - Find the NPC 1% 52 50 Cyxo 0 26 March 2021
pas_valide Bash - VM 1% 100 60 govlog 1 25 March 2021
pas_valide ELF x64 - KeyGenMe 1% 60 60 rene-d 0 12 November 2020
pas_valide ELF x64 - Anti-debug and equations 1% 302 65 0xmitsurugi 3 18 July 2016
pas_valide ELF x64 - Nanomites 1% 261 70 Phenol 2 4 March 2018
pas_valide ELF x86 - Packed 1% 339 70 Tosh 3 18 October 2011
pas_valide PE x86 - RunPE 1% 732 75 Thanat0s 5 16 December 2013
pas_valide ELF x86 - VM 1% 480 90 Thanat0s 7 16 June 2013
pas_valide ELF x64 - Hidden Control Flow 1% 40 100 so3 1 18 November 2020
pas_valide Ringgit 1% 44 110 Cryptanalyse 1 6 October 2019
pas_valide White-Box Cryptography #2 1% 31 130 Cryptanalyse 1 17 July 2019