https://github.com/labex-labs/ctf-for-beginners

In this course, you'll dive into the exciting world of Capture The Flag (CTF) challenges. Learn fundamental cybersecurity concepts and practical techniques through hands-on labs covering hidden files, weak passwords, open ports, misconfigurations, log analysis, directory traversal, environment variable leaks, script analysis, network exploits, a...
https://github.com/labex-labs/ctf-for-beginners

beginner capture-the-flag course cryptography cybersecurity forensics hacking hands-on hands-on-labs labex labs linux network-security penetration-testing programming reverse-engineering scripting security-fundamentals vulnerability-assessment web-security

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In this course, you'll dive into the exciting world of Capture The Flag (CTF) challenges. Learn fundamental cybersecurity concepts and practical techniques through hands-on labs covering hidden files, weak passwords, open ports, misconfigurations, log analysis, directory traversal, environment variable leaks, script analysis, network exploits, a...

• Host: GitHub
• URL: https://github.com/labex-labs/ctf-for-beginners
• Owner: labex-labs
• Created: 2025-09-05T06:27:01.000Z (10 months ago)
• Default Branch: master
• Last Pushed: 2025-10-20T07:48:49.000Z (9 months ago)
• Last Synced: 2025-10-20T09:37:51.921Z (9 months ago)
• Topics: beginner, capture-the-flag, course, cryptography, cybersecurity, forensics, hacking, hands-on, hands-on-labs, labex, labs, linux, network-security, penetration-testing, programming, reverse-engineering, scripting, security-fundamentals, vulnerability-assessment, web-security
• Homepage: https://labex.io/courses/ctf-for-beginners
• Size: 42 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# CTF for Beginners

**Languages:** [English](README.md) · [简体中文](README_zh.md) · [Español](README_es.md) · [Français](README_fr.md) · [Deutsch](README_de.md) · [日本語](README_ja.md) · [Русский](README_ru.md) · [한국어](README_ko.md) · [Português](README_pt.md)



  

    

  



In this course, you'll dive into the exciting world of Capture The Flag (CTF) challenges. Learn fundamental cybersecurity concepts and practical techniques through hands-on labs covering hidden files, weak passwords, open ports, misconfigurations, log analysis, directory traversal, environment variable leaks, script analysis, network exploits, and web vulnerabilities.

[Start Course on LabEx](https://labex.io/courses/ctf-for-beginners)

## Exercises

|   Index | Name                           | Difficulty   | Practice                                                                                                                                      |

|---------|--------------------------------|--------------|-----------------------------------------------------------------------------------------------------------------------------------------------|

|      01 | Hidden File Hunt               | Intermediate | Start Challenge                          |

|      02 | Weak Password Access           | Advanced     | Start Challenge                      |

|      03 | Open Port Discovery            | Intermediate | Start Challenge                       |

|      04 | Misconfigured File Permissions | Advanced     | Start Challenge |

|      05 | Log File Secret                | Intermediate | Start Challenge                           |

|      06 | Basic Directory Traversal      | Intermediate | Start Challenge                 |

|      07 | Environment Variable Leak      | Advanced     | Start Challenge                 |

|      08 | Simple Script Analysis         | Intermediate | Start Challenge                    |

|      09 | Network Service Exploit        | Advanced     | Start Challenge                   |

|      10 | Basic Web Input Vulnerability  | Advanced     | Start Challenge             |

## About LabEx



LabEx is a hands-on learning platform for beginners.

Explore Linux, DevOps, Cybersecurity, and more — all directly in your browser.

Learn step by step through interactive labs, guided exercises, and real-world projects. 🌱
No setup, no stress — just practice and grow your skills by doing.


 


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