ELF x86 - Ptrace

15 Points  0x0

Compiled with GCC32 4.3.4 on linux gentoo.

Author

g0uZ,  

Level  Difficulty

Validations

6234 Challengers 3%

Note  Notation

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239 Votes

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solutions 3 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
qw3r_T Cracking  ELF x86 - Ptrace fr 16 May 2022 at 11:18
MoryyiIytoto122 Cracking  ELF x86 - Ptrace en 14 May 2022 at 19:50
Thib3538 Cracking  ELF x86 - Ptrace fr 12 May 2022 at 11:33
Mr_Robot Cracking  ELF x86 - Ptrace fr 11 May 2022 at 18:21
ThaySan Cracking  ELF x86 - Ptrace fr 11 May 2022 at 18:12
MrT Cracking  ELF x86 - Ptrace fr 11 May 2022 at 08:38
Exhyl Cracking  ELF x86 - Ptrace fr 11 May 2022 at 02:53
0pie Cracking  ELF x86 - Ptrace fr 9 May 2022 at 19:43
Eliot Cracking  ELF x86 - Ptrace fr 8 May 2022 at 20:00
mathferm Cracking  ELF x86 - Ptrace fr 7 May 2022 at 11:56

challenges 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 14% 35085 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - Basic 11% 28303 5 g0uZ 10 7 October 2006
pas_valide PE x86 - 0 protection 6% 15180 5 alejandr0 6 11 November 2012
pas_valide ELF C++ - 0 protection 3% 7677 10 sourcePerrier 5 13 July 2016
pas_valide PE DotNet - 0 protection 4% 7977 10 Geluchat 6 15 September 2014
pas_valide ELF MIPS - Basic Crackme 2% 2800 15 sar 2 9 July 2018
pas_valide ELF x64 - Golang basic 1% 1952 15 jenaye 3 8 November 2018
pas_valide ELF x86 - Fake Instructions 3% 7143 15 kmkz 5 21 February 2010
pas_valide ELF x86 - Ptrace 3% 6233 15 g0uZ 3 27 November 2009
pas_valide WASM - Introduction 1% 581 15 Cyxo 1 26 March 2021
pas_valide ELF ARM - Basic Crackme 2% 3119 20 0xmitsurugi 7 13 July 2016
pas_valide ELF x64 - Basic KeygenMe 1% 796 20 fr0g 3 2 September 2020
pas_valide PE DotNet - Basic Anti-Debug 1% 721 20 nqnt 2 24 March 2021
pas_valide PE DotNet - Basic Crackme 1% 536 20 nqnt 2 14 April 2021
pas_valide PYC - ByteCode 2% 4265 20 Thanat0s 9 3 July 2013
pas_valide ELF x86 - No software breakpoints 2% 3245 25 yodzeb 8 2 October 2013
pas_valide Lua - Bytecode 1% 340 25 Bernstein 1 25 March 2021
pas_valide MachO x64 - keygenme or not 1% 1216 25 /bin/ls 2 14 April 2017
pas_valide ELF ARM - crackme 1337 1% 1879 30 Anonymous 2 3 February 2011
pas_valide ELF x86 - CrackPass 2% 4129 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 3577 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Random Crackme 2% 2839 30 kmkz 3 3 February 2011
pas_valide GB - Basic GameBoy crackme 1% 919 30 jambon69 2 14 September 2018
pas_valide PDF - Javascript 1% 1292 30 koma 1 14 February 2012
pas_valide PE x86 - Xor Madness 1% 540 30 ENOENT 3 17 July 2019
pas_valide ELF ARM - Crypted 1% 525 35 koma 2 4 September 2012
pas_valide ELF x64 - Crackme automating 1% 792 35 0xmitsurugi 7 14 August 2018
pas_valide PE x86 - SEHVEH 1% 985 35 Thanat0s 1 4 May 2013
pas_valide Powershell DeObfuscation 1% 233 35 hat.time 1 2 April 2021
pas_valide APK - Anti-debug 1% 1981 40 cryptax 3 18 December 2012
pas_valide ELF x64 - Nanomites - Introduction 1% 524 45 Phenol 2 4 March 2018
pas_valide ELF x86 - Anti-debug 1% 1464 45 Tosh 3 3 June 2012
pas_valide PE DotNet - KeygenMe 1% 126 45 nqnt 1 14 April 2021
pas_valide PE x86 - AutoPE 1% 680 45 Gr4ph0s 3 5 August 2011
pas_valide ELF x86 - KeygenMe 1% 699 50 int_0x80 5 20 July 2011
pas_valide WASM - Find the NPC 1% 109 50 Cyxo 1 26 March 2021
pas_valide Bash - VM 1% 155 60 govlog 1 25 March 2021
pas_valide ELF x64 - KeyGenMe 1% 89 60 rene-d 0 12 November 2020
pas_valide ELF x64 - Anti-debug and equations 1% 326 65 0xmitsurugi 3 18 July 2016
pas_valide ELF x64 - Nanomites 1% 283 70 Phenol 2 4 March 2018
pas_valide ELF x86 - Packed 1% 356 70 Tosh 3 18 October 2011
pas_valide PE x86 - RunPE 1% 779 75 Thanat0s 5 16 December 2013
pas_valide ELF x86 - VM 1% 504 90 Thanat0s 7 16 June 2013
pas_valide ELF x64 - Hidden Control Flow 1% 65 100 so3 1 18 November 2020
pas_valide Ringgit 1% 62 110 Cryptanalyse 1 6 October 2019
pas_valide White-Box Cryptography #2 1% 42 130 Cryptanalyse 1 17 July 2019