Steganography

The art of hiding information in a document.

 20 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Gunnm 16% 36827 5 g0uZ 3 7 October 2006
pas_valide Squared 13% 27970 5 g0uZ 9 7 October 2006
pas_valide Dot and next line 7% 14971 10 SQalp 1 16 June 2013
pas_valide Steganomobile 10% 21701 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 7% 15075 10 xblade 2 21 December 2016
pas_valide Some noise 6% 11654 15 Hackira 3 7 October 2006
pas_valide George and Alfred 7% 16114 15 g0uZ 1 20 December 2014
pas_valide Poem from Space 1% 981 15 Cryptanalyse 2 15 July 2020
pas_valide Yellow dots 2% 3338 15 LetMeR00t 5 29 September 2019
pas_valide Audio stegano 4% 7294 20 stickmen 7 2 October 2011
pas_valide We need to go deeper 3% 6724 20 whoaim 7 12 August 2015
pas_valide Base Jumper 1% 1008 25 pickle 2 3 March 2018
pas_valide Hide and seek 1% 282 25 swap89 0 22 September 2019
pas_valide PDF Object 2% 2555 25 eilco 7 23 July 2017
pas_valide Angecryption 1% 459 30 pickle 1 17 September 2017
pas_valide Kitty spy 1% 745 30 LetMeR00t 1 9 July 2018
pas_valide LSB - Uncle Scrooge 1% 1306 30 koma 1 21 March 2012
pas_valide Pixel Indicator Technique 1% 589 30 LetMeR00t 1 7 August 2017
pas_valide Pixel Value Differencing 1% 488 30 LetMeR00t 1 7 November 2017
pas_valide Crypt-art 3% 5468 35 m31z0nyx 2 11 December 2011

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Ayumalex   Twitter Secret Messages 19 September 2021 at 01:20
Ayumalex   Pas très carré 19 September 2021 at 01:11
Antonin42   George et Alfred 19 September 2021 at 01:08
Ayumalex   Gunnm 19 September 2021 at 01:06
gogo94210   Audio stégano 19 September 2021 at 00:55
Antonin42   Du bruit 19 September 2021 at 00:53
IsosSword   George et Alfred 19 September 2021 at 00:36
Kyooi   Gunnm 19 September 2021 at 00:34
strade   We need to go deeper 19 September 2021 at 00:24
strade   Du bruit 19 September 2021 at 00:15