PE x86 - Xor Madness

30 Points  0x0

xor, sub, call, ret. Nothing else.

Author

ENOENT,  

Level  Difficulty

Validations

268 Challengers 1%

Note  Notation

1
2
3
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5
54 Votes

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 2 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
Liftu   PE x86 - Xor Madness 3 April 2020 at 16:25
Dark Rainbow   PE x86 - Xor Madness 2 April 2020 at 12:45
moloson   PE x86 - Xor Madness 1 April 2020 at 17:23
shiratoor   PE x86 - Xor Madness 1 April 2020 at 10:56
karasik   PE x86 - Xor Madness 30 March 2020 at 17:20
tétraheadrik   PE x86 - Xor Madness 30 March 2020 at 15:25
Buhta   PE x86 - Xor Madness 29 March 2020 at 14:53
Bdenneu   PE x86 - Xor Madness 28 March 2020 at 21:58
Jean Quille   PE x86 - Xor Madness 27 March 2020 at 16:15
3c651d4b   PE x86 - Xor Madness 26 March 2020 at 14:01

 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% 25512 5 g0uZ 10
pas_valide ELF x86 - Basic 12% 20806 5 g0uZ 10
pas_valide PE x86 - 0 protection 7% 10985 5 alejandr0 5
pas_valide ELF C++ - 0 protection 3% 5103 10 sourcePerrier 4
pas_valide PE DotNet - 0 protection 4% 5705 10 Geluchat 5
pas_valide ELF MIPS - Basic Crackme 1% 1365 15 stan1slas 2
pas_valide ELF x64 - Golang basic 1% 999 15 jenaye 3
pas_valide ELF x86 - Fake Instructions 4% 5570 15 kmkz 5
pas_valide ELF x86 - Ptrace 3% 4840 15 g0uZ 2
pas_valide ELF ARM - Basic Crackme 2% 2099 20 0xmitsurugi 6
pas_valide PYC - ByteCode 2% 3353 20 Thanat0s 9
pas_valide ELF x86 - No software breakpoints 2% 2597 25 yodzeb 7
pas_valide MachO x64 - keygenme or not 1% 907 25 /bin/ls 1
pas_valide ELF ARM - crackme 1337 1% 1423 30 2
pas_valide ELF x86 - CrackPass 2% 3112 30 Tosh 5
pas_valide ELF x86 - ExploitMe 2% 2846 30 kmkz 5
pas_valide ELF x86 - Random Crackme 2% 2226 30 kmkz 3
pas_valide GB - Basic GameBoy crackme 1% 512 30 jambon69 2
pas_valide PDF - Javascript 1% 1004 30 koma 1
pas_valide PE x86 - Xor Madness 1% 268 30 ENOENT 2
pas_valide ELF ARM - Crypted 1% 441 35 koma 2
pas_valide ELF x64 - Crackme automating 1% 449 35 0xmitsurugi 6
pas_valide PE x86 - SEHVEH 1% 756 35 Thanat0s 1
pas_valide APK - Anti-debug 1% 1390 40 cryptax 3
pas_valide ELF x64 - Nanomites - Introduction 1% 320 45 Phenol 2
pas_valide ELF x86 - Anti-debug 1% 1124 45 Tosh 3
pas_valide PE x86 - AutoPE 1% 514 45 Gr4ph0s 3
pas_valide ELF x86 - KeygenMe 1% 501 50 int_0x80 5
pas_valide ELF x64 - Anti-debug and equations 1% 240 65 0xmitsurugi 3
pas_valide ELF x64 - Nanomites 1% 183 70 Phenol 2
pas_valide ELF x86 - Packed 1% 292 70 Tosh 3
pas_valide PE x86 - RunPE 1% 627 75 Thanat0s 5
pas_valide ELF x86 - VM 1% 406 90 Thanat0s 7
pas_valide Ringgit 1% 24 110 Cryptanalyse 0
pas_valide White-Box Cryptography #2 1% 15 130 Cryptanalyse 1