Capture The Flag
From Computer Science
Sets of Problems
Tools and Help
- CyberChef
- Linux Terminal
- Webpage - right-click, Inspect, check all of the different tabs that pop, when you are on the Network tab reload the page
- Python - download from https://www.python.org/ or run online
- telnet, ssh, ftp, sftp
Types of Problems
- Look at the source code for a webpage for a hidden message.
- Look at a hex dump of a file (docx, pdf, jpeg, etc.) to look for a hidden message.
- Download and run a program to get an answer.
- Connect to a server to get an answer.
- Whois lookup.
- Network scan (ping or similar).
- Information about the system they are running on (whether it's hidden or not).
- Anything that can be done with the CyberChef
