CTF for Beginners
October 23, 2025 ยท View on GitHub
Languages
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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, and web vulnerabilities.
Exercises
| Index | Name | Difficulty | Practice |
|---|---|---|---|
| 01 | ๐ฏ ๐ Hidden File Hunt | Beginner | Start Challenge |
| 02 | ๐ฏ ๐ Weak Password Access | Beginner | Start Challenge |
| 03 | ๐ฏ ๐ Open Port Discovery | Beginner | Start Challenge |
| 04 | ๐ฏ ๐ Misconfigured File Permissions | Beginner | Start Challenge |
| 05 | ๐ฏ ๐ Log File Secret | Beginner | Start Challenge |
| 06 | ๐ฏ ๐ Basic Directory Traversal | Beginner | Start Challenge |
| 07 | ๐ฏ ๐ Environment Variable Leak | Beginner | Start Challenge |
| 08 | ๐ฏ ๐ Simple Script Analysis | Beginner | Start Challenge |
| 09 | ๐ฏ ๐ Network Service Exploit | Beginner | Start Challenge |
| 10 | ๐ฏ ๐ Basic Web Input Vulnerability | Beginner | Start Challenge |
About LabEx
LabEx is an interactive, hands-on learning platform dedicated to coding and technology. It combines labs, AI assistance, and virtual machines to provide a no-video, practical learning experience. With a strict 'Learn by Doing' approach, interactive online environments in the browser with automated step-by-step checks, structured content organization through the Skill Tree learning system, and a growing resource of 30 Skill Trees and over 6,000 Labs, LabEx offers comprehensive practical education. The platform includes Labby, an AI learning assistant built on latest AI models, providing a conversational learning experience.