Port 4444 (Metasploit) — What It Is and How to Use It

Port 4444 is commonly associated with the Metasploit Framework, a powerful penetration testing tool. It is often used as the default listening port for Metasploit's Meterpreter reverse shell, allowing an attacker to maintain control over a compromised system. Its significance lies in its frequent use in post-exploitation scenarios.

Last updated: 2026-06-11

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Port Number 4444
Protocol Metasploit

Common Use Cases

  • Metasploit Meterpreter reverse shell listener
  • Command and control (C2) communication for various malware
  • Custom application development (less common, but possible)

Interactive Command Builder

nc -zv example.com 4444

Check if Port 4444 is Open

sudo netstat -tulnp | grep 4444
netstat -ano | findstr :4444
⚠️ Security Note: Leaving port 4444 open and exposed on a system can be a significant security risk, as it is a well-known port for malicious activity. It should never be open to the internet unless explicitly required for a controlled penetration test and with appropriate security measures in place.

Related Ports

Frequently Asked Questions

Is port 4444 dangerous to leave open?

Yes, port 4444 is generally considered dangerous to leave open, especially to the internet. It is a common port used by attackers for reverse shells and command and control, making it a prime target for exploitation.

What service uses port 4444?

While not officially registered to a specific service, port 4444 is most famously associated with the Metasploit Framework's Meterpreter reverse shell. However, other custom applications or malware could also be configured to use this port.