Quick Response Code

40 Points  0x0

Get the flag back.

Author

koma,  

Level  Difficulty

Validations

2026 Challengers 2%

Note  Notation

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233 Votes

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 10 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
coolkid   Quick Response Code 23 February 2020 at 04:52
sanosuke   Quick Response Code 22 February 2020 at 17:10
Marcel777   Quick Response Code 22 February 2020 at 06:51
hellod4n   Quick Response Code 22 February 2020 at 02:15
Gu1_   Quick Response Code 21 February 2020 at 22:59
Erif8Deeps   Quick Response Code 21 February 2020 at 19:26
K4NTOUL4   Quick Response Code 21 February 2020 at 14:08
SIGABRT   Quick Response Code 20 February 2020 at 16:37
Mike7518   Quick Response Code 20 February 2020 at 16:14
vincentv   Quick Response Code 19 February 2020 at 17:23

 16 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide IRC - Go back to college 5% 8566 5 Baco 11
pas_valide IRC - Encoded string 5% 6930 10 Baco 10
pas_valide IRC - The Roman’s wheel 4% 6748 10 lokhi 10
pas_valide IRC - Uncompress me 4% 6086 10 HacKSpider 10
pas_valide CAPTCHA me if you can 2% 3347 20 koma 13
pas_valide Ethereum - Tutoreum 1% 265 20 sm0k 2
pas_valide Arithmetic progression 3% 3989 20 Baco 10
pas_valide ELF x64 - Shellcoding - Sheep warmup 1% 316 25 Yandros 1
pas_valide Ethereum - Takeover 1% 140 30 sm0k 1
pas_valide Ethereum - NotSoPriv8 1% 83 35 sm0k 1
pas_valide ELF x64 - Shellcoding - Polymorphism 1% 166 40 Yandros 0
pas_valide Quick Response Code 2% 2026 40 koma 10
pas_valide WinKern x64 - shellcoding : token stealing 1% 15 40 __syscall, Synacktiv 0
pas_valide Ethereum - BadStack 1% 27 50 sm0k 0
pas_valide ELF x64 - Sandbox shellcoding 1% 421 60 Tosh 7
pas_valide ELF x86 - Shellcoding - Alphanumeric 1% 114 65 Yandros 3