ELF x64 - Duality

25 Points  0x0

When semantics play tricks on us

Author

extiop, AnthoLaMalice,  

Level  Difficulty

Validations

765 Challengers 1%

Note  Notation

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130 Votes

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solutions 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Anonymous Steganography  ELF x64 - Duality en 17 September 2025 at 19:07
the_sayreth Stéganographie  ELF x64 - Duality fr 17 September 2025 at 17:30
Keyne Stéganographie  ELF x64 - Duality fr 15 September 2025 at 20:23
Ofony Steganography  ELF x64 - Duality ru 8 September 2025 at 08:59
Lawliet06 Stéganographie  ELF x64 - Duality fr 4 September 2025 at 03:43
Lutr4nn Stéganographie  ELF x64 - Duality fr 2 September 2025 at 21:17
Brtk Stéganographie  ELF x64 - Duality fr 1 September 2025 at 19:52
Kr4ken Stéganographie  ELF x64 - Duality fr 29 August 2025 at 17:48
3akev Steganography  ELF x64 - Duality en 24 August 2025 at 04:41
Phantaminium Stéganographie  ELF x64 - Duality fr 23 August 2025 at 20:19

challenges 24 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide EXIF - Metadata 6% 21257 5 Isis 7 28 March 2022
pas_valide Dot and next line 8% 27808 10 SQalp 1 16 June 2013
pas_valide Steganomobile 11% 39969 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 28545 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 29002 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 19093 10 Hackira 5 7 October 2006
pas_valide Poem from Space 2% 7105 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 9063 15 LetMeR00t 5 29 September 2019
pas_valide EXIF - Thumbnail 4% 13382 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 1340 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide WAV - Spectral analysis 4% 12913 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 1% 3561 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Crypt-art 3% 9752 25 m31z0nyx 2 11 December 2011
pas_valide ELF x64 - Duality 1% 765 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide PDF - Embedded 2% 5372 25 eilco 7 23 July 2017
pas_valide Genius ID 1% 473 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1668 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 2630 30 koma 2 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 2214 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 1908 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 811 35 pickle 1 17 September 2017
pas_valide Base Jumper 1% 2026 35 pickle 3 3 March 2018
pas_valide Hide and seek 1% 537 40 swap89 1 22 September 2019
pas_valide PNG - EMD 1% 32 45 Thibz 0 23 June 2025