DDoS Simulation Tool

Overview

This project is a simple Distributed Denial of Service (DDoS) simulation tool designed to send multiple HTTP/HTTPS requests to a specified URL or IP address. It utilizes multithreading to simulate a large number of simultaneous connections, which can overwhelm the target server. This tool is intended strictly for educational purposes and should not be used for any malicious activities.

Features

• Supports HTTP and HTTPS: Automatically switches between HTTP and HTTPS based on the port (80 for HTTP, 443 for HTTPS).
• Custom User-Agent Strings: Load configurable user-agent strings from an external file to simulate requests from various clients.
• Multithreading: Simulates multiple concurrent requests using threads.
• Timeout Settings: Customize connection and receive timeouts for each request.

Prerequisites

• Operating System: Windows
• Compiler: GCC (for compiling the code)

Compilation

To compile the source code, run the following command in your terminal:

gcc ddos.c -o ddos -lwininet

Usage

1. Prepare the User-Agent File

• Create a file named qa.txt inside the bin directory of your project.
• Add one user-agent string per line in this file.

2. Run the Tool

• Open a command prompt and navigate to the directory containing the ddos executable.
• Run the program by executing ddos.exe.

3. Input Parameters

• When prompted, enter the target URL or IP address and the port number.
• If you enter port 443, the program will use HTTPS; otherwise, it will default to HTTP.

4. Behavior

• The tool continuously sends requests to the specified URL or IP address using multiple threads.
• Each request uses a randomly selected user-agent string from the qa.txt file.

Example

Enter the URL or IP address: example.com
Enter the port number (e.g., 80): 80

This will start sending HTTP requests to example.com on port 80.

Ethical Considerations

This tool should only be used on servers that you own or have explicit permission to test. Unauthorized use against other servers is illegal and unethical.

Performance

The number of threads (num_threads) is set to 100000 by default. Depending on your system's capabilities and the target server, you may need to adjust this number. Running too many threads may overwhelm your own system before impacting the target.

License

This project is licensed under the MIT License. See the LICENSE file for details.