ELF x86 - Ptrace

15 Points  0x0

Compiled with GCC32 4.3.4 on linux gentoo.

Author

g0uZ,  

Level  Difficulty

Validations

5046 Challengers 3%

Note  Notation

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203 Votes

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 3 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
nlegall   ELF x86 - Ptrace 6 July 2020 at 20:50
kik0uO7   ELF x86 - Ptrace 6 July 2020 at 19:56
xyz   ELF x86 - Ptrace 6 July 2020 at 13:38
plectre   ELF x86 - Ptrace 5 July 2020 at 12:22
red-rabbit   ELF x86 - Ptrace 3 July 2020 at 16:55
Potr Genaoueg   ELF x86 - Ptrace 3 July 2020 at 13:31
chain_aaa   ELF x86 - Ptrace 3 July 2020 at 11:40
glkrypt   ELF x86 - Ptrace 3 July 2020 at 09:08
shd33   ELF x86 - Ptrace 2 July 2020 at 21:41
Thibault Serti   ELF x86 - Ptrace 2 July 2020 at 15:49

 35 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide ELF x86 - 0 protection 15% 27086 5 g0uZ 10
pas_valide ELF x86 - Basic 12% 21987 5 g0uZ 10
pas_valide PE x86 - 0 protection 7% 11630 5 alejandr0 5
pas_valide ELF C++ - 0 protection 3% 5492 10 sourcePerrier 4
pas_valide PE DotNet - 0 protection 4% 6046 10 Geluchat 5
pas_valide ELF MIPS - Basic Crackme 1% 1570 15 s4r 2
pas_valide ELF x64 - Golang basic 1% 1154 15 jenaye 3
pas_valide ELF x86 - Fake Instructions 4% 5804 15 kmkz 5
pas_valide ELF x86 - Ptrace 3% 5046 15 g0uZ 3
pas_valide ELF ARM - Basic Crackme 2% 2274 20 0xmitsurugi 6
pas_valide PYC - ByteCode 2% 3502 20 Thanat0s 9
pas_valide ELF x86 - No software breakpoints 2% 2718 25 yodzeb 7
pas_valide MachO x64 - keygenme or not 1% 976 25 /bin/ls 1
pas_valide ELF ARM - crackme 1337 1% 1504 30 2
pas_valide ELF x86 - CrackPass 2% 3280 30 Tosh 5
pas_valide ELF x86 - ExploitMe 2% 2965 30 kmkz 5
pas_valide ELF x86 - Random Crackme 2% 2309 30 kmkz 3
pas_valide GB - Basic GameBoy crackme 1% 586 30 jambon69 2
pas_valide PDF - Javascript 1% 1059 30 koma 1
pas_valide PE x86 - Xor Madness 1% 323 30 ENOENT 2
pas_valide ELF ARM - Crypted 1% 454 35 koma 2
pas_valide ELF x64 - Crackme automating 1% 505 35 0xmitsurugi 6
pas_valide PE x86 - SEHVEH 1% 805 35 Thanat0s 1
pas_valide APK - Anti-debug 1% 1492 40 cryptax 3
pas_valide ELF x64 - Nanomites - Introduction 1% 347 45 Phenol 2
pas_valide ELF x86 - Anti-debug 1% 1171 45 Tosh 3
pas_valide PE x86 - AutoPE 1% 544 45 Gr4ph0s 3
pas_valide ELF x86 - KeygenMe 1% 539 50 int_0x80 5
pas_valide ELF x64 - Anti-debug and equations 1% 258 65 0xmitsurugi 3
pas_valide ELF x64 - Nanomites 1% 200 70 Phenol 2
pas_valide ELF x86 - Packed 1% 304 70 Tosh 3
pas_valide PE x86 - RunPE 1% 654 75 Thanat0s 5
pas_valide ELF x86 - VM 1% 421 90 Thanat0s 7
pas_valide Ringgit 1% 28 110 Cryptanalyse 0
pas_valide White-Box Cryptography #2 1% 21 130 Cryptanalyse 1