APNG - Just A PNG

25 Points  0x0

Just a matter of time

Author

extiop, AnthoLaMalice,  

Level  Difficulty

Validations

3503 Challengers 1%

Note  Notation

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161 Votes

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solutions 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Kek Stéganographie  APNG - Just A PNG fr 6 August 2025 at 14:53
US22 Stéganographie  APNG - Just A PNG fr 6 August 2025 at 12:13
Anononon Steganography  APNG - Just A PNG en 6 August 2025 at 03:30
bragdon Stéganographie  APNG - Just A PNG fr 5 August 2025 at 11:59
Osman Stéganographie  APNG - Just A PNG fr 4 August 2025 at 19:21
LOLOLEKIK Stéganographie  APNG - Just A PNG fr 4 August 2025 at 14:26
R3dArch Stéganographie  APNG - Just A PNG fr 3 August 2025 at 15:34
Romb38 Stéganographie  APNG - Just A PNG fr 2 August 2025 at 22:13
CooperTF Stéganographie  APNG - Just A PNG fr 2 August 2025 at 18:36
FuzzingMyGF Stéganographie  APNG - Just A PNG fr 1 August 2025 at 15:45

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% 20780 5 Isis 7 28 March 2022
pas_valide Steganomobile 11% 39621 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 8% 28290 10 Kira_ 3 21 December 2016
pas_valide TXT - George and Alfred 8% 28798 10 g0uZ 1 20 December 2014
pas_valide WAV - Noise analysis 6% 18967 10 Hackira 5 7 October 2006
pas_valide Dot and next line 8% 27565 10 SQalp 1 16 June 2013
pas_valide Poem from Space 2% 6990 15 Cryptanalyse 3 15 July 2020
pas_valide Yellow dots 3% 8947 15 LetMeR00t 5 29 September 2019
pas_valide Mimic - Dummy sight 1% 1319 20 extiop , AnthoLaMalice 2 22 November 2021
pas_valide PNG - Least Significant Bit 1% 2600 30 koma 2 21 March 2012
pas_valide Hide and seek 1% 533 40 swap89 1 22 September 2019
pas_valide Base Jumper 1% 2001 35 pickle 3 3 March 2018
pas_valide Angecryption 1% 805 35 pickle 1 17 September 2017
pas_valide PNG - Pixel Value Differencing 1% 1878 30 LetMeR00t 1 7 November 2017
pas_valide PNG - Pixel Indicator Technique 1% 2181 30 LetMeR00t 1 7 August 2017
pas_valide Crypt-art 3% 9677 25 m31z0nyx 2 11 December 2011
pas_valide Kitty spy 1% 1647 30 LetMeR00t 2 9 July 2018
pas_valide Genius ID 1% 456 30 LetMeR00t 1 10 May 2023
pas_valide PDF - Embedded 2% 5309 25 eilco 7 23 July 2017
pas_valide ELF x64 - Duality 1% 754 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide APNG - Just A PNG 1% 3488 25 extiop , AnthoLaMalice 1 22 November 2021
pas_valide WAV - Spectral analysis 4% 12821 20 stickmen 7 2 October 2011
pas_valide EXIF - Thumbnail 4% 13220 20 whoaim 7 12 August 2015
pas_valide PNG - EMD 1% 22 45 Thibz 0 23 June 2025