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% 38435 5 g0uZ 3 7 October 2006
pas_valide Squared 13% 29223 5 g0uZ 10 7 October 2006
pas_valide Dot and next line 7% 15770 10 SQalp 1 16 June 2013
pas_valide Steganomobile 10% 22747 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 7% 15892 10 xblade 3 21 December 2016
pas_valide Some noise 6% 12175 15 Hackira 4 7 October 2006
pas_valide George and Alfred 7% 16762 15 g0uZ 1 20 December 2014
pas_valide Poem from Space 1% 1226 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 2% 3659 15 LetMeR00t 5 29 September 2019
pas_valide We need to go deeper 3% 7042 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 79 20 exti0p 0 22 November 2021
pas_valide Audio stegano 4% 7650 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 1% 91 25 exti0p 0 22 November 2021
pas_valide Base Jumper 1% 1065 25 pickle 3 3 March 2018
pas_valide ELF x64 - Duality 1% 38 25 exti0p 0 22 November 2021
pas_valide Hide and seek 1% 298 25 swap89 1 22 September 2019
pas_valide PDF Object 2% 2659 25 eilco 7 23 July 2017
pas_valide Angecryption 1% 481 30 pickle 1 17 September 2017
pas_valide Kitty spy 1% 789 30 LetMeR00t 2 9 July 2018
pas_valide LSB - Uncle Scrooge 1% 1379 30 koma 1 21 March 2012
pas_valide Pixel Indicator Technique 1% 656 30 LetMeR00t 1 7 August 2017
pas_valide Pixel Value Differencing 1% 559 30 LetMeR00t 1 7 November 2017
pas_valide Crypt-art 3% 5715 35 m31z0nyx 2 11 December 2011

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Fabi   Point à la ligne 30 November 2021 at 17:02
Altaïr   Crypt-art 30 November 2021 at 16:53
V5november   ELF x64 - Duality 30 November 2021 at 16:41
m3galya   We need to go deeper 30 November 2021 at 16:34
Giorgone   Crypt-art 30 November 2021 at 16:31
Chartier   George et Alfred 30 November 2021 at 16:31
gazo   ELF x64 - Duality 30 November 2021 at 16:31
ngrt_   George et Alfred 30 November 2021 at 16:21
inValid   Gunnm 30 November 2021 at 16:19
ngrt_   Steganomobile 30 November 2021 at 16:17