Steganography

23 Challenges

Results	Name	Validations	Number of points	Difficulty	Author	Note	Solution	Date
	EXIF - Metadata	5% 13938	5		Isis		7	28 March 2022
	Dot and next line	8% 23640	10		SQalp		1	16 June 2013
	Steganomobile	11% 33902	10		Ryscrow		2	29 April 2011
	Twitter Secret Messages	8% 24459	10		Kira_		3	21 December 2016
	TXT - George and Alfred	8% 24888	10		g0uZ		1	20 December 2014
	WAV - Noise analysis	6% 16707	10		Hackira		4	7 October 2006
	Poem from Space	2% 4885	15		Cryptanalyse		3	15 July 2020
	Yellow dots	3% 7125	15		LetMeR00t		5	29 September 2019
	EXIF - Thumbnail	4% 11059	20		whoaim		7	12 August 2015
	Mimic - Dummy sight	1% 997	20		exti0p , AnthoLaMalice		2	22 November 2021
	WAV - Spectral analysis	4% 11048	20		stickmen		7	2 October 2011
	APNG - Just A PNG	1% 2388	25		exti0p , AnthoLaMalice		1	22 November 2021
	Crypt-art	3% 8338	25		m31z0nyx		2	11 December 2011
	ELF x64 - Duality	1% 596	25		exti0p , AnthoLaMalice		0	22 November 2021
	PDF - Embedded	2% 4204	25		eilco		7	23 July 2017
	Genius ID	1% 306	30		LetMeR00t		1	10 May 2023
	Kitty spy	1% 1314	30		LetMeR00t		2	9 July 2018
	PNG - Least Significant Bit	1% 2230	30		koma		2	21 March 2012
	PNG - Pixel Indicator Technique	1% 1694	30		LetMeR00t		1	7 August 2017
	PNG - Pixel Value Differencing	1% 1496	30		LetMeR00t		1	7 November 2017
	Angecryption	1% 702	35		pickle		1	17 September 2017
	Base Jumper	1% 1667	35		pickle		3	3 March 2018
	Hide and seek	1% 468	40		swap89		1	22 September 2019