Hack the CTF
  • ๐ŸšฉWelcome to Hack the CTF
  • Getting Started
    • โญCourse Overview
    • โ“Why We Made This Course
    • ๐Ÿ”ทWhy CTFs are Important
    • Types of CTFs
    • Interesting CTF Info
  • Basics
    • Flag Format
    • Challenge Types (chals)
    • โœจMisc Terms & Rules
    • Tools and Methods
    • ๐ŸŽฎLet's Play
  • The Challenges
    • ๐Ÿค”Learn, Hints, Solutions
    • ๐ŸŸฉEASY CHALS
      • ๐ŸŸฉFlag on a Function
      • ๐ŸŸฉBinary
      • ๐ŸŸฉFind and Watch
      • ๐ŸŸฉLots of Them
      • ๐ŸŸฉWho Said This?
      • ๐ŸŸฉClick This Link
      • ๐ŸŸฉRemote Connect
      • ๐ŸŸฉBeeps and Beeps
      • ๐ŸŸฉSomeone Not Use HTTPS
      • ๐ŸŸฉCipher
      • ๐ŸŸฉFind Someone
      • ๐ŸŸฉCTF Page #2
      • ๐ŸŸฉToo Much Blue
    • ๐ŸŸจMEDIUM CHALS
      • ๐ŸŸจHiding Right in Front of You
      • ๐ŸŸจBase64 is the Answer
      • ๐ŸŸจHash of the Server IP Address
      • ๐ŸŸจQuery String
      • ๐ŸŸจLiterally in the Picture
      • ๐ŸŸจFind the Texty Record
      • ๐ŸŸจWhere in the git is the Flag?
      • ๐ŸŸจWebsockets Delivery
      • ๐ŸŸจHacker Hid a File
      • ๐ŸŸจI Hear Something
      • ๐ŸŸจWhere Am I?
      • ๐ŸŸจShakespeare is Hiding Something
      • ๐ŸŸจCTF Page
    • ๐ŸŸฅHARD CHALS
      • ๐ŸŸฅImage Doesn't Work
      • ๐ŸŸฅWhere is it?
      • ๐ŸŸฅCode Breaker
      • ๐ŸŸฅTV - Amateur Radio Way
  • Extra Resources
    • Where to Find More CTFs
  • Conclusion
    • Course Recap
    • ๐Ÿ“Quiz
    • ๐Ÿฆ‰Keep on Learning
  • SouthHills Info Request
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  1. Basics

Flag Format

PreviousInteresting CTF InfoNextChallenge Types (chals)

Last updated 5 months ago

In Capture the Flag (CTF) competitions, a flag is a secret string or token hidden within a challenge. The goal is to find or exploit vulnerabilities in systems to retrieve this flag, which is proof of solving the challenge. The flag typically follows a specific format such as:

shsbt{example_string}

The contents within the curly braces may vary depending on the challenge. Flags are submitted to the competitionโ€™s scoreboard to earn points, and each flag represents a successfully completed task.

For example, if you click this you will see a flag.

In order to get your points for this capture, you will find the challenge on the CTF site and enter the complete flag which is shsbt{flag-from-a-long-url}and then hit the submit button. The website will then know if it is correct or not and give you points on the scoreboard if it is a capture.

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