WAV - Spectral analysis

20 Points  0x0

Fast Fourier Transform

Author

stickmen,  

Level  Difficulty

Validations

13499 Challengers 4%

Note  Notation

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5
473 Votes

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solutions 7 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
J35U5_DU_666 Stéganographie  WAV - Analyse spectrale fr 11 March 2026 at 12:22
Quezac1901 Stéganographie  WAV - Analyse spectrale fr 11 March 2026 at 11:45
Youssef Stéganographie  WAV - Analyse spectrale fr 11 March 2026 at 01:35
t0xa Steganography  WAV - Spectral analysis en 10 March 2026 at 18:49
arbflh Stéganographie  WAV - Analyse spectrale fr 10 March 2026 at 15:26
Spraypax Steganography  WAV - Spectral analysis en 10 March 2026 at 13:54
Hr4fn4gud Stéganographie  WAV - Analyse spectrale fr 10 March 2026 at 12:43
Sa6rine Stéganographie  WAV - Analyse spectrale fr 9 March 2026 at 11:28
loukou Stéganographie  WAV - Analyse spectrale fr 9 March 2026 at 01:10
Sniper28 Stéganographie  WAV - Analyse spectrale fr 8 March 2026 at 17:44

challenges 24 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide EXIF - Metadata 7% 24059 5 Isis 7 28 March 2022
pas_valide Dot and next line 8% 29366 10 SQalp 1 16 June 2013
pas_valide Steganomobile 11% 42066 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 29873 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 30373 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 19862 10 Hackira 5 7 October 2006
pas_valide Poem from Space 3% 7779 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 9708 15 LetMeR00t 5 29 September 2019
pas_valide EXIF - Thumbnail 4% 14157 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 1452 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide WAV - Spectral analysis 4% 13499 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 2% 3938 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Crypt-art 3% 10165 25 m31z0nyx 2 11 December 2011
pas_valide ELF x64 - Duality 1% 840 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide PDF - Embedded 2% 5733 25 eilco 7 23 July 2017
pas_valide Genius ID 1% 568 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1770 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 2786 30 koma 2 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 2380 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 2038 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 852 35 pickle 1 17 September 2017
pas_valide Base Jumper 1% 2141 35 pickle 3 3 March 2018
pas_valide Hide and seek 1% 571 40 swap89 1 22 September 2019
pas_valide PNG - EMD 1% 153 45 Thibz 0 23 June 2025