James Cao
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OverTheWire Natas Walkthrough Levels 21 - 24

The Natas wargame is part of OverTheWire and focuses on web security challenges. This post covers Levels 21 – 24, with hints, answers, and explanations to help you understand the thought process, not just the final solution. Each level introduces a new vulnerability — from basic HTML inspection to SQL injection, XSS, command injection, file inclusion, and authentication flaws. The goal is to find the password for the next level by analyzing and exploiting the web application. ...

September 9, 2025 · 4 min
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OverTheWire Natas Walkthrough Levels 14 - 20

The Natas wargame is part of OverTheWire and focuses on web security challenges. This post covers Levels 14 – 20, with hints, answers, and explanations to help you understand the thought process, not just the final solution. Each level introduces a new vulnerability — from basic HTML inspection to SQL injection, XSS, command injection, file inclusion, and authentication flaws. The goal is to find the password for the next level by analyzing and exploiting the web application. ...

September 9, 2025 · 8 min
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OverTheWire Natas Walkthrough Levels 7 - 13

The Natas wargame is part of OverTheWire and focuses on web security challenges. This post covers Levels 7 – 13, with hints, answers, and explanations to help you understand the thought process, not just the final solution. Each level introduces a new vulnerability — from basic HTML inspection to SQL injection, XSS, command injection, file inclusion, and authentication flaws. The goal is to find the password for the next level by analyzing and exploiting the web application. ...

September 9, 2025 · 5 min
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OverTheWire Natas Walkthrough Levels 0 - 6

The Natas wargame is part of OverTheWire and focuses on web security challenges. This post covers Levels 0 – 6, with hints, answers, and explanations to help you understand the thought process, not just the final solution. Each level introduces a new vulnerability — from basic HTML inspection to SQL injection, XSS, command injection, file inclusion, and authentication flaws. The goal is to find the password for the next level by analyzing and exploiting the web application. ...

September 9, 2025 · 5 min
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Overthewire Leviathan FULL Walkthrough

The Leviathan wargame on OverTheWire is designed to introduce players to basic privilege escalation and binary exploitation. Unlike Bandit (Linux basics) or Krypton (cryptography), Leviathan focuses on understanding how misconfigured permissions, hidden files, and small vulnerable programs can be exploited to gain higher access. In this walkthrough, I’ll guide you through all Leviathan levels with detailed explanations. Each section includes the commands, reasoning, and solutions I used, so you won’t just copy answers but also learn the techniques behind them. ...

September 9, 2025 · 6 min
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Overthewire Krypton FULL Walkthrough

OverTheWire’s Krypton is a beginner-friendly wargame designed to introduce players to the world of cryptography. Unlike Bandit, which focuses on Linux basics, Krypton takes you through different stages of encryption and decryption — from simple substitution ciphers to more advanced concepts. In this walkthrough, I’ll cover all Krypton levels step by step. You’ll find not only the solutions but also the thought process, hints, and commands I used to solve each challenge. My goal is to make this guide useful for cybersecurity enthusiasts who are just starting out with cryptography and CTFs. ...

September 9, 2025 · 4 min
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OverTheWire Bandit Beginner Levels 31 - 33

A step-by-step walkthrough of OverTheWire Bandit beginner levels 31 to 33. Learn Linux basics, file manipulation, permissions, and commands through hands-on CTF challenges — perfect for cybersecurity beginners. This walkthrough covers OverTheWire Bandit beginner levels 31–33. It provides both hints and answers for each stage, helping new cybersecurity learners and CTF players progress when they’re stuck. A great resource for building Linux command-line skills while practicing ethical hacking basics. Bandit Level 31 → Level 32 (Updated: 4 August 2025) ...

September 8, 2025 · 2 min
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OverTheWire Bandit Beginner Levels 26 - 30

A step-by-step walkthrough of OverTheWire Bandit beginner levels 26 to 30. Learn Linux basics, file manipulation, permissions, and commands through hands-on CTF challenges — perfect for cybersecurity beginners. This walkthrough covers OverTheWire Bandit beginner levels 21–25. It provides both hints and answers for each stage, helping new cybersecurity learners and CTF players progress when they’re stuck. A great resource for building Linux command-line skills while practicing ethical hacking basics. Bandit Level 26 → Level 27 (Updated: 4 August 2025) ...

September 7, 2025 · 3 min
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OverTheWire Bandit Beginner Levels 21 - 25

A step-by-step walkthrough of OverTheWire Bandit beginner levels 21 to 25. Learn Linux basics, file manipulation, permissions, and commands through hands-on CTF challenges — perfect for cybersecurity beginners. This walkthrough covers OverTheWire Bandit beginner levels 21–25. It provides both hints and answers for each stage, helping new cybersecurity learners and CTF players progress when they’re stuck. A great resource for building Linux command-line skills while practicing ethical hacking basics. Bandit Level 21 → Level 22 (Updated: 4 August 2025) ...

September 7, 2025 · 3 min
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OverTheWire Bandit Beginner Levels 16 - 20

A step-by-step walkthrough of OverTheWire Bandit beginner levels 16 to 20. Learn Linux basics, file manipulation, permissions, and commands through hands-on CTF challenges — perfect for cybersecurity beginners. This walkthrough covers OverTheWire Bandit beginner levels 16–20. It provides both hints and answers for each stage, helping new cybersecurity learners and CTF players progress when they’re stuck. A great resource for building Linux command-line skills while practicing ethical hacking basics. Bandit Level 16 → Level 17 (Updated: 31 July 2025) ...

September 7, 2025 · 3 min