PNG - EMD

45 Points  0x0

Exploiting Modification Direction

Author

Thibz,  

Level  Difficulty

Validations

25 Challengers 1%

Note  Notation

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8 Votes

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solutions  Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
totoiste Stéganographie  PNG - EMD fr 7 August 2025 at 18:02
makhno Stéganographie  PNG - EMD fr 5 August 2025 at 17:54
yohboy Steganography  PNG - EMD en 31 July 2025 at 17:28
zLade Stéganographie  PNG - EMD fr 13 July 2025 at 05:08
layfo Stéganographie  PNG - EMD fr 10 July 2025 at 16:11
AllTx Stéganographie  PNG - EMD fr 10 July 2025 at 15:39
k4ndar3c Stéganographie  PNG - EMD fr 8 July 2025 at 18:53
naxylRTT Stéganographie  PNG - EMD fr 4 July 2025 at 17:59
le6n6rl16n Stéganographie  PNG - EMD fr 4 July 2025 at 15:17
NearXa Stéganographie  PNG - EMD fr 3 July 2025 at 17:56

challenges 24 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide EXIF - Metadata 6% 20873 5 Isis 7 28 March 2022
pas_valide Dot and next line 8% 27611 10 SQalp 1 16 June 2013
pas_valide Steganomobile 11% 39693 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 28346 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 28836 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 18993 10 Hackira 5 7 October 2006
pas_valide Poem from Space 2% 7016 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 8973 15 LetMeR00t 5 29 September 2019
pas_valide EXIF - Thumbnail 4% 13253 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 1325 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide WAV - Spectral analysis 4% 12837 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 1% 3503 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Crypt-art 3% 9694 25 m31z0nyx 2 11 December 2011
pas_valide ELF x64 - Duality 1% 757 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide PDF - Embedded 2% 5323 25 eilco 7 23 July 2017
pas_valide Genius ID 1% 462 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1651 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 2606 30 koma 2 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 2189 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 1886 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 807 35 pickle 1 17 September 2017
pas_valide Base Jumper 1% 2011 35 pickle 3 3 March 2018
pas_valide Hide and seek 1% 533 40 swap89 1 22 September 2019
pas_valide PNG - EMD 1% 23 45 Thibz 0 23 June 2025