Steganography Steganography

The art of hiding information in a document.

challenges 23 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide TXT - George and Alfred 8% 25252 10 g0uZ 1 20 December 2014
pas_valide Steganomobile 11% 34404 10 Ryscrow 2 29 April 2011
pas_valide Crypt-art 3% 8465 25 m31z0nyx 2 11 December 2011
pas_valide Dot and next line 8% 24012 10 SQalp 1 16 June 2013
pas_valide WAV - Spectral analysis 4% 11216 20 stickmen 7 2 October 2011
pas_valide PNG - Least Significant Bit 1% 2253 30 koma 2 21 March 2012
pas_valide Twitter Secret Messages 8% 24803 10 Kira_ 3 21 December 2016
pas_valide EXIF - Thumbnail 4% 11251 20 whoaim 7 12 August 2015
pas_valide Base Jumper 1% 1683 35 pickle 3 3 March 2018
pas_valide Angecryption 1% 710 35 pickle 1 17 September 2017
pas_valide Hide and seek 1% 471 40 swap89 1 22 September 2019
pas_valide PDF - Embedded 2% 4293 25 eilco 7 23 July 2017
pas_valide PNG - Pixel Value Differencing 1% 1555 30 LetMeR00t 1 7 November 2017
pas_valide Yellow dots 3% 7309 15 LetMeR00t 5 29 September 2019
pas_valide Genius ID 1% 313 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1335 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Pixel Indicator Technique 1% 1753 30 LetMeR00t 1 7 August 2017
pas_valide WAV - Noise analysis 6% 16924 10 Hackira 4 7 October 2006
pas_valide Poem from Space 2% 5096 15 Cryptanalyse 3 15 July 2020
pas_valide EXIF - Metadata 5% 14479 5 Isis 7 28 March 2022
pas_valide ELF x64 - Duality 1% 610 25 exti0p , AnthoLaMalice 0 22 November 2021
pas_valide Mimic - Dummy sight 1% 1024 20 exti0p , AnthoLaMalice 2 22 November 2021
pas_valide APNG - Just A PNG 1% 2527 25 exti0p , AnthoLaMalice 1 22 November 2021

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Raph Stéganographie  PDF - Embedded fr 16 June 2024 at 16:31
thomy Stéganographie  WAV - Analyse spectrale fr 16 June 2024 at 16:24
thomy Stéganographie  PDF - Embedded fr 16 June 2024 at 16:19
Nassim2 Steganography  EXIF - Metadata en 16 June 2024 at 15:52
Atsaran Stéganographie  Base Jumper fr 16 June 2024 at 15:30
feesh Stéganographie  WAV - Analyse de bruit fr 16 June 2024 at 14:02
feesh Stéganographie  TXT - George et Alfred fr 16 June 2024 at 13:07
feesh Stéganographie  Twitter Secret Messages fr 16 June 2024 at 13:05
Dora_Chelsy Stéganographie  TXT - George et Alfred fr 16 June 2024 at 09:25
xs27i3qamvdi Stéganographie  EXIF - Metadata fr 16 June 2024 at 00:51