WAV - Spectral analysis

20 Points  0x0

Fast Fourier Transform

Author

stickmen,  

Level  Difficulty

Validations

12801 Challengers 4%

Note  Notation

1
2
3
4
5
458 Votes

To reach this part of the site please login

solutions 7 Solutions

Display solutions Submit a solution
You should validate this challenge first

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Vir3th Steganography  WAV - Spectral analysis en 30 May 2025 at 12:09
rsgandalf Stéganographie  WAV - Analyse spectrale fr 30 May 2025 at 12:08
titomtrng Stéganographie  WAV - Analyse spectrale fr 29 May 2025 at 21:41
Härra Sepp Steganography  WAV - Spectral analysis en 29 May 2025 at 20:45
ezano Stéganographie  WAV - Analyse spectrale fr 29 May 2025 at 18:58
benito255 Steganography  WAV - Spectral analysis en 29 May 2025 at 16:48
SierraSam Stéganographie  WAV - Analyse spectrale fr 29 May 2025 at 12:31
Cybershadow Stéganographie  WAV - Analyse spectrale fr 28 May 2025 at 23:25
rayna Stéganographie  WAV - Analyse spectrale fr 28 May 2025 at 22:52
MCKlash Stéganographie  WAV - Analyse spectrale fr 28 May 2025 at 16:26

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% 20697 5 Isis 7 28 March 2022
pas_valide Dot and next line 8% 27520 10 SQalp 1 16 June 2013
pas_valide Steganomobile 11% 39555 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 28251 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 28758 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 18938 10 Hackira 5 7 October 2006
pas_valide Poem from Space 2% 6963 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 8928 15 LetMeR00t 5 29 September 2019
pas_valide EXIF - Thumbnail 4% 13197 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 1312 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide WAV - Spectral analysis 4% 12801 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 1% 3470 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Crypt-art 3% 9655 25 m31z0nyx 2 11 December 2011
pas_valide ELF x64 - Duality 1% 750 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide PDF - Embedded 2% 5292 25 eilco 7 23 July 2017
pas_valide Genius ID 1% 453 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1639 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 2590 30 koma 2 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 2169 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 1869 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 802 35 pickle 1 17 September 2017
pas_valide Base Jumper 1% 1995 35 pickle 3 3 March 2018
pas_valide Hide and seek 1% 533 40 swap89 1 22 September 2019
pas_valide PNG - EMD 1% 22 45 Thibz 0 23 June 2025