PNG - Pixel Value Differencing

30 Points  0x0

Wu and Tsai

Author

LetMeR00t,  

Level  Difficulty

Validations

2017 Challengers 1%

Note  Notation

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103 Votes

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solutions 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Potoxela Stéganographie  PNG - Pixel Value Differencing fr 15 February 2026 at 22:36
Jinx Steganography  PNG - Pixel Value Differencing en 12 February 2026 at 18:33
HJKHD Stéganographie  PNG - Pixel Value Differencing fr 11 February 2026 at 19:19
Spiritum7787 Stéganographie  PNG - Pixel Value Differencing fr 11 February 2026 at 15:16
Robbie Steganography  PNG - Pixel Value Differencing en 11 February 2026 at 13:07
BreachBrokerFR Stéganographie  PNG - Pixel Value Differencing fr 9 February 2026 at 22:01
Adel Steganography  PNG - Pixel Value Differencing en 9 February 2026 at 15:02
Akzam Stéganographie  PNG - Pixel Value Differencing fr 9 February 2026 at 00:10
gaswok Steganography  PNG - Pixel Value Differencing en 6 February 2026 at 20:40
BlueTheo Stéganographie  PNG - Pixel Value Differencing fr 5 February 2026 at 15:54

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% 23608 5 Isis 7 28 March 2022
pas_valide Dot and next line 8% 29090 10 SQalp 1 16 June 2013
pas_valide Steganomobile 11% 41764 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 29655 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 30139 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 19732 10 Hackira 5 7 October 2006
pas_valide Poem from Space 2% 7648 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 9550 15 LetMeR00t 5 29 September 2019
pas_valide EXIF - Thumbnail 4% 14005 20 whoaim 7 12 August 2015
pas_valide Mimic - Dummy sight 1% 1430 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide WAV - Spectral analysis 4% 13404 20 stickmen 7 2 October 2011
pas_valide APNG - Just A PNG 1% 3843 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide Crypt-art 3% 10075 25 m31z0nyx 2 11 December 2011
pas_valide ELF x64 - Duality 1% 820 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide PDF - Embedded 2% 5670 25 eilco 7 23 July 2017
pas_valide Genius ID 1% 541 30 LetMeR00t 1 10 May 2023
pas_valide Kitty spy 1% 1755 30 LetMeR00t 2 9 July 2018
pas_valide PNG - Least Significant Bit 1% 2734 30 koma 2 21 March 2012
pas_valide PNG - Pixel Indicator Technique 1% 2337 30 LetMeR00t 1 7 August 2017
pas_valide PNG - Pixel Value Differencing 1% 2017 30 LetMeR00t 1 7 November 2017
pas_valide Angecryption 1% 843 35 pickle 1 17 September 2017
pas_valide Base Jumper 1% 2113 35 pickle 3 3 March 2018
pas_valide Hide and seek 1% 563 40 swap89 1 22 September 2019
pas_valide PNG - EMD 1% 125 45 Thibz 0 23 June 2025