PNG - EMD

45 Points  0x0

Exploiting Modification Direction

Author

Thibz,  

Level  Difficulty

Validations

173 Challengers 1%

Note  Notation

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29 Votes

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solutions  Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
YokonoxX Stéganographie  PNG - EMD fr 11 May 2026 at 15:36
zapzpazap Stéganographie  PNG - EMD fr 10 May 2026 at 20:16
Leoppy Stéganographie  PNG - EMD fr 9 May 2026 at 16:08
RedFox Stéganographie  PNG - EMD fr 8 May 2026 at 16:11
_cthulu Stéganographie  PNG - EMD fr 6 May 2026 at 00:42
hugman Stéganographie  PNG - EMD fr 4 May 2026 at 20:31
Nokk Stéganographie  PNG - EMD fr 4 May 2026 at 17:38
ChefChaudard Stéganographie  PNG - EMD fr 4 May 2026 at 17:29
prashant Steganography  PNG - EMD en 3 May 2026 at 16:46
Loxy0devlp Stéganographie  PNG - EMD fr 1 May 2026 at 18:10

challenges 24 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide EXIF - Metadata 7% 24247 5 Isis 7 28 March 2022
pas_valide Dot and next line 8% 29463 10 SQalp 1 16 June 2013
pas_valide Steganomobile 11% 42186 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 29963 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 30455 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 19930 10 Hackira 5 7 October 2006
pas_valide Poem from Space 3% 7851 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 9754 15 LetMeR00t 5 29 September 2019
pas_valide EXIF - Thumbnail 4% 14239 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 1468 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide WAV - Spectral analysis 4% 13543 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 2% 3977 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Crypt-art 3% 10199 25 m31z0nyx 2 11 December 2011
pas_valide ELF x64 - Duality 1% 852 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide PDF - Embedded 2% 5763 25 eilco 7 23 July 2017
pas_valide Genius ID 1% 586 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1784 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 2815 30 koma 2 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 2398 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 2059 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 865 35 pickle 1 17 September 2017
pas_valide Base Jumper 1% 2160 35 pickle 3 3 March 2018
pas_valide Hide and seek 1% 580 40 swap89 1 22 September 2019
pas_valide PNG - EMD 1% 173 45 Thibz 0 23 June 2025