Steganography Steganography

The art of hiding information in a document.

challenges 22 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide EXIF - Metadata 2% 3174 5 Isis 3 28 March 2022
pas_valide Dot and next line 7% 17738 10 SQalp 1 16 June 2013
pas_valide Steganomobile 10% 25446 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 7% 18073 10 xblade 3 21 December 2016
pas_valide Poem from Space 1% 1951 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 2% 4520 15 LetMeR00t 5 29 September 2019
pas_valide TXT - George and Alfred 8% 18755 15 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 13458 15 Hackira 4 7 October 2006
pas_valide EXIF - Thumbnail 4% 7896 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 438 20 exti0p 0 22 November 2021
pas_valide WAV - Spectral analysis 4% 8576 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 1% 749 25 exti0p 0 22 November 2021
pas_valide Base Jumper 1% 1261 25 pickle 3 3 March 2018
pas_valide ELF x64 - Duality 1% 217 25 exti0p 0 22 November 2021
pas_valide Hide and seek 1% 354 25 swap89 1 22 September 2019
pas_valide PDF - Embedded 2% 2958 25 eilco 7 23 July 2017
pas_valide Angecryption 1% 549 30 pickle 1 17 September 2017
pas_valide Kitty spy 1% 920 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 1613 30 koma 1 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 866 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 771 30 LetMeR00t 1 7 November 2017
pas_valide Crypt-art 3% 6347 35 m31z0nyx 2 11 December 2011

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Aeonn Stéganographie  EXIF - Miniature fr 7 August 2022 at 15:02
Aeonn Stéganographie  Steganomobile fr 7 August 2022 at 14:49
Aeonn Stéganographie  EXIF - Metadata fr 7 August 2022 at 14:47
Walbre Stéganographie  TXT - George et Alfred fr 7 August 2022 at 14:05
h32l0 Stéganographie  EXIF - Metadata fr 7 August 2022 at 11:16
CoFast Stéganographie  EXIF - Metadata fr 7 August 2022 at 11:09
Julien Stéganographie  WAV - Analyse spectrale fr 7 August 2022 at 11:09
Julien Stéganographie  EXIF - Miniature fr 7 August 2022 at 11:03
Julien Stéganographie  Poem from Space fr 7 August 2022 at 10:51
dark0dex Stéganographie  Twitter Secret Messages fr 7 August 2022 at 10:22