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How to install Metasploit in Kali Linux

Explore Metasploit: Powerful penetration testing tool with modules for comprehensive security assessment.
Metasploit is a well-known tool for testing computer systems to find and fix security issues. It helps users exploit, discover, and confirm vulnerabilities. It's important to have the right tools, information, and setup for thorough security tests and audits.

Metasploit is made up of a data store and modules that you can adjust in the framework. The modules are small pieces of code that give Metasploit its functions. When you install Metasploit on your computer, it comes with a set of tools for actions after a security breach.

These tools include: gaining higher access, accessing passwords, capturing network data, recording screens, recording keystrokes, and accessing other machines on the network. You can also create a backdoor that stays active even if your computer restarts.

How to install Metasploit in Kali Linux



Modules of Metasploit

Metasploit modules are key parts of Metasploit, and they are snippets of code stored in the database. There are three main types of Metasploit modules, each serving different purposes, these are; Exploits, Payloads and Auxiliaries.

Exploits

Attackers use codes to get into a system wich is vulnerable. They try to exploit a weakness on the target system, like the meterpreter shell, to gain control.

Payloads

Hackers use payloads, which are like simple scripts, to communicate with the system they've hacked. This lets them send information into a victim's system.

Auxiliaries

These modules are like tools for scanning in Metasploit. Unlike exploit modules, they don't need a payload to work. They contain useful programs such as scanners, fuzzers, and SQL injection tools.


How to install Metasploit on Kali Linux

Metasploit is a popular tool for testing computer systems. It's already included in Kali Linux, a common operating system used for security testing. If you're using Kali Linux 2.0, Metasploit is already installed and gets updated regularly.

However, antivirus software might see Metasploit as harmful, which can cause issues during installation and use. The antivirus might interrupt the installation process and warn you about security risks because Metasploit works by exploiting vulnerabilities, which the antivirus software detects.

If you can't turn off the antivirus, you should exclude the Metasploit directory from the antivirus scan to avoid these problems.

Metasploit installation on Kali Linux using Rapid7

Rapid7 offers a free installer for the Metasploit framework on Linux. This installer includes everything you need (like ruby and PostgreSQL) and can be easily updated through your package manager.

To get Metasploit, go to Rapid7's website and download the installer for your operating system. The installer sets up everything you need in one go.

Once you launch the installer, it will ask you where you want to install Metasploit on your computer. After that, you're all set to use and update Metasploit.

Install Metasploit on Kali Linux using Terminal

To install Metasploit on Kali Linux, run this command:

sudo apt install metasploit-framework

How to install Metasploit in Kali Linux

Starting the Kali PostgreSQL service

If PostgreSQL isn't running, you can start it using the following command:

sudo /etc/init.d/postgresql start

How to install Metasploit in Kali Linux

To see if PostgreSQL is running, type this command:

sudo /etc/init.d/postgresql status

How to install Metasploit in Kali Linux

Rapid7 provides a tool called msfconsole and installs other tools like Nmap and John the Ripper. To install Metasploit, you need administrator privileges on your computer.

Note: Rapid7 no longer supports the pre-installed Metasploit Community edition on Kali Linux 1.0.

To install Metasploit on supported Linux systems, use the following script. This script will import the Rapid7 signing key and set up the package:

curl https://raw.githubusercontent.com/rapid7/metasploit-omnibus/master/config/templates/metasploit-framework-wrappers/msfupdate.erb> msfinstall && chmod 755 && msfinstall && ./msfinstall

How to install Metasploit in Kali Linux

After you finish installing, open a terminal window and type this command to start using Metasploit: 

msfconsole -q

How to install Metasploit in Kali Linux

Note: If you don't have a database, you'll be asked to create a new one. Type 'Y' or 'Yes' to run the initial setup script and create the new database.

It might already be set up for you, and you can run it directly based on your computer setup. You'll be guided with questions to set up a database and add Metasploit to your computer's settings if it's not there yet. These packages will work with your software manager and update when you use the 'msfupdate' command or your software manager. They'll also create the database for you or use the one you already have if it's your first time using it.

To check if the database was set up correctly, use this command in the terminal:

db_status

How to install Metasploit in Kali Linux

If Metasploit is connected to the database, it will show this status:

[*] Connected to msf. Connection type: postgresql.

Managing the database

In case you didn't create a database when msfconsole loaded for the first time, you can use the msfdb script to set up PostgreSQL to run as your local user and store the database locally.

To enable and start the database, use this command:

sudo msfdb init

How to install Metasploit in Kali Linux

You can use any of the following commands to manage the database:

msfdb reinit – Deletes and re-initializes the database
msfdb delete – Deletes the database
msfdb start – Starts the database
msfdb stop – Stops the database
msfdb status – Shows the database status
msfdb run – Starts the database and runs msfconsole


Conclusion 

Metasploit is a powerful tool for penetration testing and security auditing, offering a range of modules and functionalities. It provides a user-friendly interface and supports various platforms, making it a versatile choice for cybersecurity professionals. By understanding how to set up and use Metasploit effectively, individuals can enhance their ability to assess and strengthen the security of systems and networks.

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