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 Genius ID 1% 371 30 LetMeR00t 1 10 May 2023
pas_valide EXIF - Metadata 5% 17221 5 Isis 7 28 March 2022
pas_valide Mimic - Dummy sight 1% 1144 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide ELF x64 - Duality 1% 659 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide APNG - Just A PNG 1% 2902 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Poem from Space 2% 5833 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 7943 15 LetMeR00t 5 29 September 2019
pas_valide Hide and seek 1% 490 40 swap89 1 22 September 2019
pas_valide Kitty spy 1% 1434 30 LetMeR00t 2 9 July 2018
pas_valide Base Jumper 1% 1795 35 pickle 3 3 March 2018
pas_valide PNG - Pixel Value Differencing 1% 1658 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 742 35 pickle 1 17 September 2017
pas_valide PNG - Pixel Indicator Technique 1% 1898 30 LetMeR00t 1 7 August 2017
pas_valide PDF - Embedded 2% 4637 25 eilco 7 23 July 2017
pas_valide Twitter Secret Messages 8% 26218 10 Kira_ 3 21 December 2016
pas_valide EXIF - Thumbnail 4% 12047 20 whoaim 7 12 August 2015
pas_valide TXT - George and Alfred 8% 26691 10 g0uZ 1 20 December 2014
pas_valide Dot and next line 8% 25385 10 SQalp 1 16 June 2013
pas_valide PNG - Least Significant Bit 1% 2394 30 koma 2 21 March 2012
pas_valide Crypt-art 3% 8906 25 m31z0nyx 2 11 December 2011
pas_valide WAV - Spectral analysis 4% 11849 20 stickmen 7 2 October 2011
pas_valide Steganomobile 11% 36624 10 Ryscrow 2 29 April 2011
pas_valide WAV - Noise analysis 6% 17765 10 Hackira 5 7 October 2006

Challenge Results Challenge Results

Pseudo Challenge Lang Date
SGSSSS Steganography  Twitter Secret Messages en 22 November 2024 at 01:50
SGSSSS Steganography  Steganomobile en 22 November 2024 at 01:38
cocolama Stéganographie  EXIF - Metadata fr 22 November 2024 at 01:18
cocolama Stéganographie  Twitter Secret Messages fr 22 November 2024 at 01:14
SGSSSS Steganography  Dot and next line en 22 November 2024 at 01:13
SGSSSS Steganography  EXIF - Metadata en 22 November 2024 at 00:50
HyeFn Stéganographie  Points jaunes fr 22 November 2024 at 00:37
dbz404 Stéganographie  TXT - George et Alfred fr 22 November 2024 at 00:21
Tomus Stéganographie  Crypt-art fr 21 November 2024 at 23:53
rosenzweig Steganography  ELF x64 - Duality en 21 November 2024 at 23:20