Steg + Forensics

Handy tools

• Steghide - hides files inside images
  • Install via you package manager e.g. sudo apt install steghide
• Audacity - viewing and editing sound files
• Stegsolve - View layers and permutations of an image
  • Install Java (if you haven't already)
  • Navigate to the folder you want to run stegsolve from (using cd)
  • wget http://www.caesum.com/handbook/Stegsolve.jar -O stegsolve.jar
  • chmod +x stegsolve.jar
  • Then to start Stegsolve - java -jar stegsolve.jar
• John the ripper - password cracking
  • Install via your package manager e.g. sudo apt install john
• Linux commands - strings, binwalk, compare, file, exiftool

Today's Challenges

• Steg category on our CTFd
• PicoCTF forensics challenges
• Want to try some we don't have solutions to? Take a look in this Google drive folder
  • Let us know if you solve any that aren't on our CTFd yet!

If you are struggling then talk to your friends and the people around you! Remember you can always look stuff up too, and if you're really struggling then feel free to ask someone in an AFNOM hoodie. We want everyone to have fun and have a good time learning something new!

Happy STEGing!