ELF x86 - Anti-debug

45 Points  0x0

A small Linux program using many anti-dbg technics.

Author

Tosh,  

Level  Difficulty

Validations

1120 Challengers 1%

Note  Notation

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112 Votes

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 3 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
Forgi   ELF x86 - Anti-debug 30 March 2020 at 19:49
Choch   ELF x86 - Anti-debug 30 March 2020 at 16:55
gregclermont   ELF x86 - Anti-debug 29 March 2020 at 00:35
tosen_sama   ELF x86 - Anti-debug 27 March 2020 at 17:55
Djudju   ELF x86 - Anti-debug 26 March 2020 at 22:21
karasik   ELF x86 - Anti-debug 26 March 2020 at 12:29
Coffin_23   ELF x86 - Anti-debug 26 March 2020 at 03:38
Modjo   ELF x86 - Anti-debug 23 March 2020 at 14:58
Leath   ELF x86 - Anti-debug 23 March 2020 at 01:12
umutoztunc   ELF x86 - Anti-debug 20 March 2020 at 19:29

 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% 25456 5 g0uZ 10
pas_valide ELF x86 - Basic 12% 20755 5 g0uZ 10
pas_valide PE x86 - 0 protection 7% 10957 5 alejandr0 5
pas_valide ELF C++ - 0 protection 3% 5084 10 sourcePerrier 4
pas_valide PE DotNet - 0 protection 4% 5688 10 Geluchat 5
pas_valide ELF MIPS - Basic Crackme 1% 1352 15 stan1slas 2
pas_valide ELF x64 - Golang basic 1% 991 15 jenaye 3
pas_valide ELF x86 - Fake Instructions 4% 5559 15 kmkz 5
pas_valide ELF x86 - Ptrace 3% 4826 15 g0uZ 2
pas_valide ELF ARM - Basic Crackme 2% 2097 20 0xmitsurugi 6
pas_valide PYC - ByteCode 2% 3346 20 Thanat0s 9
pas_valide ELF x86 - No software breakpoints 2% 2592 25 yodzeb 7
pas_valide MachO x64 - keygenme or not 1% 905 25 /bin/ls 1
pas_valide ELF ARM - crackme 1337 1% 1421 30 2
pas_valide ELF x86 - CrackPass 2% 3107 30 Tosh 5
pas_valide ELF x86 - ExploitMe 2% 2843 30 kmkz 5
pas_valide ELF x86 - Random Crackme 2% 2223 30 kmkz 3
pas_valide GB - Basic GameBoy crackme 1% 509 30 jambon69 2
pas_valide PDF - Javascript 1% 1002 30 koma 1
pas_valide PE x86 - Xor Madness 1% 264 30 ENOENT 2
pas_valide ELF ARM - Crypted 1% 440 35 koma 2
pas_valide ELF x64 - Crackme automating 1% 444 35 0xmitsurugi 6
pas_valide PE x86 - SEHVEH 1% 754 35 Thanat0s 1
pas_valide APK - Anti-debug 1% 1388 40 cryptax 3
pas_valide ELF x64 - Nanomites - Introduction 1% 320 45 Phenol 2
pas_valide ELF x86 - Anti-debug 1% 1120 45 Tosh 3
pas_valide PE x86 - AutoPE 1% 511 45 Gr4ph0s 3
pas_valide ELF x86 - KeygenMe 1% 499 50 int_0x80 5
pas_valide ELF x64 - Anti-debug and equations 1% 238 65 0xmitsurugi 3
pas_valide ELF x64 - Nanomites 1% 182 70 Phenol 2
pas_valide ELF x86 - Packed 1% 291 70 Tosh 3
pas_valide PE x86 - RunPE 1% 626 75 Thanat0s 5
pas_valide ELF x86 - VM 1% 402 90 Thanat0s 7
pas_valide Ringgit 1% 24 110 Cryptanalyse 0
pas_valide White-Box Cryptography #2 1% 15 130 Cryptanalyse 1