Ressources 2

Plein de trucs : https://project-awesome.org/apsdehal/awesome-ctf

Analyse mémoire :

dump lime

axiom volatility

https://github.com/TFNS/ctf-tools

steghide : jpg ; essayer sans passphrase parfois il n'y en a pas !

steganabara

stego-toolkit : A docker image with dozens of steg tools.

stegosaurus

stegsolve

zsteg : png & bmp

pngcheck

exiftool

stegcracker

outguess https://www.freebsd.org/cgi/man.cgi?query=outguess+&apropos=0&sektion=0&manpath=FreeBSD+Ports+5.1-RELEASE&format=html

stegoveritas

sonic-visualiser

smartdeblur

pngtools https://launchpad.net/ubuntu/+source/pngtools

http://www.caesum.com/handbook/stego.htm

https://hex-men.tech/cc-stego/

stegsnow : Steganographic Nature of Whitespace (SNOW) (espaces et tabulations)

LSB-steganography https://github.com/RobinDavid/LSB-Steganography

https://github.com/DominicBreuker/stego-toolkit

https://georgeom.net/StegOnline/image

https://aperisolve.fr/

https://stylesuxx.github.io/steganography/

https://incoherency.co.uk/image-steganography

SHIT - Stego Helper Identification Tool https://github.com/qll/shit LSB MSB Xth-bit

$ hide.py bit 7 input.png stego.png 'Stego freakin sucks' # 7 is the LSB

$ retrieve.py bit 7 stego.png

Stego freakin sucks

$ hide.py bit 0 input.png stego.png 'Yep, it really does' # 0 is the MSB

$ retrieve.py bit 0 stego.png

Yep, it really does

python retrieve.py bit 7 pic.png

diff entre image originale et image du challenge

bits / pixels par ci par là comme j'ai déjà vu

https://dominicbreuker.com/post/stego_book_of_secrets/

writeups https://github.com/TFNS/writeups

https://gchq.github.io/CyberChef/

https://fareedfauzi.gitbook.io/ctf-checklist-for-beginner/steganography

stego writeups

https://github.com/TFNS/writeups/tree/master/2021-01-16-BambooFox/ngsteg

https://resources.infosecinstitute.com/topic/defeating-steganography-solutions-to-net-force-ctf-challenges-using-practical-steganalysis/ intéressant

https://github.com/TFNS/writeups/tree/master/2021-03-27-VolgaCTFQuals/inception

7zip https://github.com/TFNS/writeups/tree/master/2020-10-03-TastelessCTF/712

https://blog.tryhackme.com/easy-steganography/

https://fail0verflow.com/blog/2014/plaidctf2014-for100-doge_stege/ gimp colormap – 8bit colormap png

keyboard pcap : https://github.com/TFNS/writeups/tree/master/2021-03-27-VolgaCTFQuals/streams

crypto ecb https://github.com/TFNS/writeups/tree/master/2021-03-13-UTCTF/cbc

xor https://github.com/TFNS/writeups/tree/master/2020-12-05-DefCampCTF/xor