Steganography

The art of hiding information in a document.

 23 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Gunnm 16% 39224 5 g0uZ 3 7 October 2006
pas_valide Squared 13% 29809 5 g0uZ 10 7 October 2006
pas_valide Dot and next line 7% 16156 10 SQalp 1 16 June 2013
pas_valide Steganomobile 10% 23242 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 7% 16310 10 xblade 3 21 December 2016
pas_valide Some noise 6% 12448 15 Hackira 4 7 October 2006
pas_valide George and Alfred 8% 17245 15 g0uZ 1 20 December 2014
pas_valide Poem from Space 1% 1368 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 2% 3810 15 LetMeR00t 5 29 September 2019
pas_valide Audio stegano 4% 7847 20 stickmen 7 2 October 2011
pas_valide Mimic - Dummy sight 1% 185 20 exti0p 0 22 November 2021
pas_valide We need to go deeper 3% 7181 20 whoaim 7 12 August 2015
pas_valide APNG - Just A PNG 1% 258 25 exti0p 0 22 November 2021
pas_valide Base Jumper 1% 1090 25 pickle 3 3 March 2018
pas_valide ELF x64 - Duality 1% 97 25 exti0p 0 22 November 2021
pas_valide Hide and seek 1% 312 25 swap89 1 22 September 2019
pas_valide PDF Object 2% 2705 25 eilco 7 23 July 2017
pas_valide Angecryption 1% 491 30 pickle 1 17 September 2017
pas_valide Kitty spy 1% 809 30 LetMeR00t 2 9 July 2018
pas_valide LSB - Uncle Scrooge 1% 1420 30 koma 1 21 March 2012
pas_valide Pixel Indicator Technique 1% 691 30 LetMeR00t 1 7 August 2017
pas_valide Pixel Value Differencing 1% 594 30 LetMeR00t 1 7 November 2017
pas_valide Crypt-art 3% 5839 35 m31z0nyx 2 11 December 2011

Challenge Results Challenge Results

Pseudo Challenge Lang Date
d0p1   Points jaunes 26 January 2022 at 15:59
LighTender   George et Alfred 26 January 2022 at 15:50
d0p1   George et Alfred 26 January 2022 at 15:40
Sykks9   Audio stégano 26 January 2022 at 15:31
Sa-Chii   Poem from Space 26 January 2022 at 15:30
oim   Twitter Secret Messages 26 January 2022 at 15:29
Menzo   Twitter Secret Messages 26 January 2022 at 15:21
Menzo   Steganomobile 26 January 2022 at 15:17
Menzo   George et Alfred 26 January 2022 at 15:10
Lunnaar   Pas très carré 26 January 2022 at 14:48