ELF x86 - Ptrace

15 Points  

Compiled with GCC32 4.3.4 on linux gentoo.

Author

g0uZ,  

Level  Difficulty

Validations

4329 Challengers 3%

Note  Notation

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184 Votes
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Solution 2 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
Kop4c4b4n4   ELF x86 - Ptrace en 20 September 2019 at 22:20
0x5AD   ELF x86 - Ptrace fr 20 September 2019 at 18:08
qbao   ELF x86 - Ptrace en 19 September 2019 at 13:50
JCM_Dan   ELF x86 - Ptrace en 19 September 2019 at 03:44
Minh Hoang   ELF x86 - Ptrace en 17 September 2019 at 18:44
pzxcv   ELF x86 - Ptrace en 17 September 2019 at 17:44
Noiche   ELF x86 - Ptrace fr 17 September 2019 at 09:30
mustang_2020   ELF x86 - Ptrace fr 16 September 2019 at 23:42
emulove   ELF x86 - Ptrace fr 16 September 2019 at 19:56
SécuIP   ELF x86 - Ptrace fr 16 September 2019 at 16:12

Challenges associated with this section 34 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide ELF x86 - 0 protection 15% 21738 5 g0uZ 10
pas_valide ELF x86 - Basic 12% 17765 5 g0uZ 10
pas_valide PE x86 - 0 protection 7% 9290 5 alejandr0 5
pas_valide ELF C++ - 0 protection 3% 4058 10 sourcePerrier 4
pas_valide PE DotNet - 0 protection 4% 4862 10 Geluchat 5
pas_valide ELF MIPS - Basic Crackme 1% 842 15 stan1slas 1
pas_valide ELF x64 - Golang basic 1% 630 15 jenaye 3
pas_valide ELF x86 - Fake Instructions 4% 4992 15 kmkz 4
pas_valide ELF x86 - Ptrace 3% 4329 15 g0uZ 2
pas_valide ELF ARM - Basic Crackme 2% 1697 20 0xmitsurugi 6
pas_valide PYC - ByteCode 3% 2980 20 Thanat0s 9
pas_valide ELF x86 - No software breakpoints 2% 2337 25 yodzeb 6
pas_valide MachO x64 - keygenme or not 1% 778 25 /bin/ls 1
pas_valide ELF ARM - crackme 1337 1% 1246 30 2
pas_valide ELF x86 - CrackPass 2% 2768 30 Tosh 5
pas_valide ELF x86 - ExploitMe 2% 2557 30 kmkz 5
pas_valide ELF x86 - Random Crackme 2% 2011 30 kmkz 3
pas_valide GB - Basic GameBoy crackme 1% 324 30 jambon69 2
pas_valide PDF - Javascript 1% 935 30 koma 1
pas_valide PE x86 - Xor Madness 1% 111 30 ENOENT 1
pas_valide ELF ARM - Crypted 1% 412 35 koma 1
pas_valide ELF x64 - Crackme automating 1% 348 35 0xmitsurugi 6
pas_valide PE x86 - SEHVEH 1% 682 35 Thanat0s 0
pas_valide APK - Anti-debug 1% 1138 40 cryptax 3
pas_valide ELF x64 - Nanomites - Introduction 1% 265 45 Phenol 2
pas_valide ELF x86 - Anti-debug 1% 1007 45 Tosh 3
pas_valide PE x86 - AutoPE 1% 473 45 Gr4ph0s 3
pas_valide ELF x86 - KeygenMe 1% 447 50 int_0x80 5
pas_valide ELF x64 - Anti-debug and equations 1% 214 65 0xmitsurugi 3
pas_valide ELF x64 - Nanomites 1% 151 70 Phenol 1
pas_valide ELF x86 - Packed 1% 265 70 Tosh 3
pas_valide PE x86 - RunPE 1% 585 75 Thanat0s 4
pas_valide ELF x86 - VM 1% 366 115 Thanat0s 7
pas_valide White-Box Cryptography #2 1% 9 120 Cryptanalyse 0