Various encodings

30 Points  0x0

The Fastest Way to Decode

Author

BlackRaven, Ruulian,  

Level  Difficulty

Validations

2157 Challengers 1%

Note  Notation

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168 Votes

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solutions 2 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
colin.ttr Programming  Various encodings en 15 July 2025 at 23:50
vaakqi Programming  Various encodings en 15 July 2025 at 23:43
unescape455 Programmation  Multiples encodages fr 15 July 2025 at 10:32
Pouchok Programmation  Multiples encodages fr 14 July 2025 at 15:44
Crocogab Programmation  Multiples encodages fr 14 July 2025 at 12:10
Ocelot_AR Programmation  Multiples encodages fr 13 July 2025 at 16:56
zorglub3000 Programmation  Multiples encodages fr 13 July 2025 at 15:28
lilblueyes Programmation  Multiples encodages fr 13 July 2025 at 11:37
Hackamaru Programmation  Multiples encodages fr 10 July 2025 at 21:11
mael_adv Programmation  Multiples encodages fr 9 July 2025 at 14:16

challenges 29 Challenges

Results Name Validations Number of points ↓↑  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Adversarial Attack - Prison Break 1% 10 100 ToG 0 26 July 2024
pas_valide ELF x86 - Shellcoding - Alphanumeric 1% 258 65 Yandros 4 10 February 2019
pas_valide Ethereum - King of the EVM 1% 53 60 K.L.M 1 29 February 2024
pas_valide ELF x64 - Sandbox shellcoding 1% 591 60 Tosh 7 4 September 2015
pas_valide Ethereum - BadStack 1% 491 50 sm0k 1 22 November 2019
pas_valide WinKern x64 - shellcoding : token stealing 1% 117 40 __syscall , Synacktiv 0 27 January 2020
pas_valide Quick Response Code 2% 4643 40 koma 10 8 March 2012
pas_valide Ethereum - Reentrancy 1% 189 40 Dridri 0 5 September 2022
pas_valide Ethereum - Architect 1% 72 40 K.L.M 0 29 February 2024
pas_valide ELF x64 - Shellcoding - Polymorphism 1% 371 40 Yandros 2 10 February 2019
pas_valide Deep Learning - Captcha 1% 87 40 ToG 0 26 July 2024
pas_valide Adversarial Attack - GAN 1% 34 40 ToG 0 26 July 2024
pas_valide Ethereum - Bunker 1% 152 35 K.L.M 0 29 February 2024
pas_valide Ethereum - NotSoPriv8 1% 907 35 sm0k 3 22 November 2019
pas_valide ARM - Shellcoding - Egg hunter 1% 140 35 Yandros 1 10 April 2020
pas_valide Apprentice Scraper 1% 514 35 Mizu 3 5 September 2022
pas_valide Various encodings 1% 2157 30 BlackRaven , Ruulian 2 12 August 2021
pas_valide Ethereum - Takeover 1% 1176 30 sm0k 1 22 November 2019
pas_valide Second degree polynomial solver 1% 2772 25 Express 2 5 September 2022
pas_valide Ethereum - tx.origin 1% 225 25 documentcookie 0 29 February 2024
pas_valide ELF x64 - Shellcoding - Sheep warmup 1% 943 25 Yandros 3 10 February 2019
pas_valide Mathematic progression 3% 9525 20 Baco 10 4 February 2011
pas_valide Ethereum - Tutoreum 1% 1732 20 sm0k 3 22 November 2019
pas_valide Deep Learning - Introduction 1% 471 20 ToG 0 26 July 2024
pas_valide CAPTCHA me if you can 3% 8457 20 koma 13 23 March 2012
pas_valide TCP - Uncompress Me 2% 4893 15 Nishacid , M4tou 5 19 June 2023
pas_valide TCP - Encoded string 2% 6661 10 Nishacid , M4tou 5 19 June 2023
pas_valide TCP - The Roman wheel 2% 6166 10 Nishacid , M4tou 5 19 June 2023
pas_valide TCP - Back to school 3% 7969 5 Nishacid , M4tou 8 19 June 2023