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

strings -n 7 -t x file.jpg
stegoveritas books.tif

Extract

steghide info white_rabbit_1.jpg
steghide info white_rabbit_1.jpg -p pass
steghide --extract -sf 'image.jpg' -p passpass

Hide data

steghide embed -cf file.jpg -ef file.txt
binwalk -e cutie.png
stegseek file.jpg ./rockyou.txt
stegcracker file.jpg ./rockyou.txt
stegcracker vegeta.jpg /usr/share/wordlists/rockyou.txt
stegsolve file.gif

Extract and hide data from text file

# Stego
snow.exe -C -m "my message" -p "password" original.txt stegoed.txt

-C  compressing / uncompressing
-p  password


Open Stego 
GUI tool

# Unstego
snow.exe -C -p 'password' stegoed.txt

Hide and extract data from image with OpenStego

Hide data in TCP/IP packet headers with Covert TCP https://www.youtube.com/watch?v=XThdgOfOV2o https://github.com/Samsar4/Ethical-Hacking-Labs/blob/master/5-System-Hacking/10-Covert_TCP.md https://github.com/zaheercena/Covert-TCP-IP-Protocol