Mastering Web Application Vulnerability Scanning with Nuclei Scanner on Kali Linux

Introduction: A nuclei scanner is a tool used for security testing web applications. It is an automated tool that identifies vulnerabilities in the target application by scanning it for different types of vulnerabilities. The tool is easy to use and is designed to work with a variety of web applications. Nuclei scanner can detect vulnerabilities such as cross-site scripting, SQL injection, and command injection.



Basic Level: To start with, you need to have Nuclei installed on your system. You can install it using the following command:

GO111MODULE=on go get -v github.com/projectdiscovery/nuclei/v2/cmd/nuclei

Once you have installed it, you can start scanning web applications. The basic command to run a scan is:

nuclei -u <target url> -t <template name>

This command will scan the target URL with the specified template. Nuclei comes with a variety of templates that can be used for different types of vulnerabilities. You can list all available templates using the following command:

nuclei -update-templates


Advanced Level:

Now, let's move to the advanced level of Nuclei scanning. You can scan the web application with different options to get more detailed results. Here are some advanced commands:

  1. Scanning with username and password:

If you want to scan a web application that requires authentication, you can use the following command:

nuclei -u <target url> -t <template name> -creds <username>:<password>

This command will scan the target URL with the specified template using the provided credentials.

  1. Scanning multiple URLs:

If you want to scan multiple URLs, you can use the following command:

nuclei -l <url list> -t <template name>

This command will scan all URLs in the specified list with the specified template.

  1. Scanning with multiple templates:

If you want to scan a web application with multiple templates, you can use the following command:

nuclei -u <target url> -t <template1 name> -t <template2 name> -t <template3 name>

This command will scan the target URL with the specified templates.

  1. Scanning with custom options:

You can customize the scan options by providing additional flags. Here are some common flags:

-nC: Disable color output-nW: Disable word wrap

-nT: Disable template description

-nS: Silent mode, only display the summary

-nR: Show raw output



Conclusion: Nuclei scanner is a powerful tool for security testing web applications. It is easy to use and can detect a variety of vulnerabilities. With the advanced scanning options, you can get more detailed results and customize the scan to meet your requirements.

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