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 EXIF - Metadata 6% 19395 5 Isis 7 28 March 2022
pas_valide Dot and next line 8% 26701 10 SQalp 1 16 June 2013
pas_valide Steganomobile 11% 38446 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 27482 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 28008 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 18483 10 Hackira 5 7 October 2006
pas_valide Poem from Space 2% 6516 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 8543 15 LetMeR00t 5 29 September 2019
pas_valide EXIF - Thumbnail 4% 12731 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 1238 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide WAV - Spectral analysis 4% 12398 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 1% 3229 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Crypt-art 3% 9334 25 m31z0nyx 2 11 December 2011
pas_valide ELF x64 - Duality 1% 705 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide PDF - Embedded 2% 4995 25 eilco 7 23 July 2017
pas_valide Genius ID 1% 408 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1537 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 2508 30 koma 2 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 2045 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 1771 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 770 35 pickle 1 17 September 2017
pas_valide Base Jumper 1% 1893 35 pickle 3 3 March 2018
pas_valide Hide and seek 1% 511 40 swap89 1 22 September 2019

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Pierre13 Steganography  APNG - Just A PNG en 2 April 2025 at 18:32
Crea Stéganographie  PNG - Pixel Indicator Technique fr 2 April 2025 at 18:13
YohanDef Stéganographie  Twitter Secret Messages fr 2 April 2025 at 17:50
Advance Steganography  EXIF - Thumbnail en 2 April 2025 at 17:36
tidus Stéganographie  Poem from Space fr 2 April 2025 at 17:26
tidus Stéganographie  WAV - Analyse de bruit fr 2 April 2025 at 17:20
tidus Stéganographie  TXT - George et Alfred fr 2 April 2025 at 17:14
mure Stéganographie  Twitter Secret Messages fr 2 April 2025 at 17:09
Kyket Steganography  WAV - Noise analysis en 2 April 2025 at 17:07
tidus Stéganographie  Twitter Secret Messages fr 2 April 2025 at 17:04