Free Resources & Tutorials

🔥 Command of the Week — nikto -h example.com (Vulnerability Assessment)

Command of the Week — nikto -h example.com (Vulnerability Assessment)

In today’s digital age, websites are constantly under attack, and even small misconfigurations can expose critical data. For cybersecurity enthusiasts, SMEs, and IT professionals, understanding the tools hackers use is essential — and Nikto is one of the most effective tools for web server vulnerability assessment. In this Command of the Week, we break down […]

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Writing Your First Exploitation Script in Bash

Writing Your First Exploitation Script in Bash: A Step-by-Step Tutorial

Exploitation scripts are essential tools for penetration testers and red teamers to automate the process of identifying and exploiting vulnerabilities. Bash scripting provides a simple yet powerful way to create your first exploitation script, especially for web-based or network vulnerabilities. In this tutorial, you will learn how to write a basic exploitation script in Bash,

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Automating Reconnaissance with Bash Scripts: A Step-by-Step Tutorial

n the world of cybersecurity, reconnaissance is a critical phase where security professionals gather information about their target to identify potential vulnerabilities. Automating this process with Bash scripts not only saves time but also ensures consistency and efficiency. In this tutorial, we’ll walk you through how to automate reconnaissance using Bash scripting, making your red

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Essential Bash Commands for Pentesters

Essential Bash Commands for Pentesters – Step-by-Step Guide for African Cyber Learners

If you want to become an ethical hacker or penetration tester, Bash (the Linux shell) is your most powerful tool. Bash allows you to interact with the Linux system, automate tasks, and run security tools efficiently. In Africa, where many learners rely on lightweight setups like Kali Linux on older laptops, VirtualBox labs, or even

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Introduction Linux is the backbone of modern cybersecurity and penetration testing. Ethical hackers, red teamers, and security professionals rely on Linux for its flexibility, powerful command-line tools, and pre-installed hacking software. In this tutorial, you’ll learn: Why Linux is essential for hackers. Popular Linux distributions for ethical hacking. Basic Linux commands and file system navigation. Setting up a lab environment for safe practice. 1. Why Linux is the Preferred OS for Hackers Open-source: Customize and control every aspect. Pre-installed pentesting tools: Nmap, Metasploit, Burp Suite, Nikto. Robust command-line environment for automation and scripting. Secure and stable compared to Windows for hacking labs. 💡 Graphics Idea: Image of Kali Linux desktop showing installed tools. Diagram: Linux vs Windows for pentesting features. 2. Popular Linux Distributions for Ethical Hacking Kali Linux – Industry standard for penetration testing. Parrot Security OS – Lightweight, privacy-focused pentesting distro. Ubuntu / Debian – Good for scripting and tool installation for beginners. 💡 Graphics Idea: Table comparing distributions: tool availability, resource requirements, and beginner-friendliness. 3. Linux File System Fundamentals Root directory / → top of the hierarchy. Home directories /home/username → personal files. Configuration files /etc → system settings. Temporary files /tmp, log files /var/log. Basic Navigation Commands: pwd # Show current directory ls -la # List all files with permissions cd /path # Change directory mkdir test # Create new directory rm -r test # Remove directory recursively 💡 Graphics Idea: Screenshot of terminal running these commands. Diagram of Linux file system tree. 4. Installing & Configuring Tools for Your Lab Start with Kali Linux in VMware or VirtualBox. Update and upgrade packages: sudo apt update && sudo apt upgrade -y Install essential pentesting tools if missing: sudo apt install nmap nikto metasploit-framework -y Configure network adapters for lab testing (NAT/Host-only). 💡 Graphics Idea: Screenshot of Kali terminal installing tools. Lab diagram: Host PC → Kali VM → Target VM. 5. Getting Comfortable with the Terminal Terminal is your main hacking interface. Practice: whoami # Check current user ifconfig # Network configuration ping 8.8.8.8 # Test connectivity Learn tab completion, history (↑), and man pages for commands: man ls # Get manual for ls command 💡 Graphics Idea: Screenshot showing terminal history and man pages. Conclusion Introduction to Linux for Hackers

Introduction to Linux for Hackers – Beginner’s Guide to Ethical Hacking

If you’re stepping into the world of ethical hacking, the very first skill you need to master is Linux. Most professional hackers, penetration testers, and cybersecurity experts rely on Linux because it offers flexibility, transparency, and powerful command-line utilities. In this guide, you’ll learn why Linux is essential for hackers, get familiar with the Linux

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Cross-Site Scripting (XSS)

Lesson 4: Cross-Site Scripting (XSS) – How Hackers Inject Malicious Code into Web Applications

Cross-Site Scripting (XSS) is one of the most widespread and dangerous web vulnerabilities that allows attackers to inject malicious scripts into trusted websites. These scripts are then executed in the browser of unsuspecting users, leading to stolen cookies, session hijacking, phishing, or even complete account takeover. According to the OWASP Top 10, XSS has been

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SQL Injection Vulnerability

Lesson 3: SQL Injection (SQLi) – A Deep Dive into One of the Most Dangerous Web Vulnerabilities

SQL Injection (SQLi) is one of the most well-known, dangerous, and persistent web application vulnerabilities. Despite being discovered over two decades ago, SQLi continues to plague insecure applications and has been responsible for some of the biggest security breaches in history. In this lesson, we’ll break down what SQL Injection is, how it works, the

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Lesson 2: Information Gathering & Reconnaissance (Web Hacking)

1. Theory A. Why Reconnaissance MattersReconnaissance is the first active step in a web penetration test. Before launching attacks, you need to map the application and identify its components: The more information you gather, the more precise and effective your attacks will be. B. Types of Reconnaissance C. Key Techniques & Tools 2. Hands-On Exercise

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