Port 5357 Hacktricks Link Info

Vulnerability in Web Services on Devices (WSD) API - Microsoft

HackTricks often notes that port 5357 may be:

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In the world of network security, understanding the purpose and risks of open ports is fundamental. Port 5357 is a TCP port primarily associated with Microsoft's . This service is designed to streamline the automatic discovery and communication of network-enabled devices like printers, scanners, media servers, and IP cameras. port 5357 hacktricks

When Windows machines have network discovery enabled, they spin up a web server listening on Port 5357. This server processes SOAP (Simple Object Access Protocol) messages wrapped in HTTP requests to facilitate plug-and-play network capabilities. Enumeration and Reconnaissance

WSDAPI (Web Services for Devices) / HTTP Commonly found on: Windows (Windows 7, 8, 10, Server editions) Protocol: HTTP (often REST-like SOAP/XML services)

Metasploit contains a module specifically designed to check and exploit this flaw: Vulnerability in Web Services on Devices (WSD) API

If network discovery is not a business requirement (especially on critical servers), disable the following Windows services: Open services.msc . Locate . Change the Startup type to Disabled and stop the service. Locate Function Discovery Resource Publication . Change the Startup type to Disabled and stop the service. Windows Firewall Configuration

Start or Impacket's smbserver.py on your attack machine: sudo responder -I eth0 -dwv Use code with caution.

Querying the HTTP headers or the WSD XML payloads often reveals: Exact computer hostnames. Internal Active Directory domain names. Operating system build versions. Device Functionality Discovery This service is designed to streamline the automatic

WSDAPI is Microsoft's implementation of the standard. It allows devices to broadcast their presence and capabilities on a local network using a "plug-and-play" approach without needing manual driver configuration. Communication itself is carried over standard HTTP, which is why the service presents as a web server when you connect to it.

Ensure regular OS patch management is enforced to mitigate any underlying vulnerabilities within the http.sys driver or the WSD API framework.

To confirm the port is open and attempt to identify the service version, use the following Nmap command: nmap -p 5357 -sV -sC Use code with caution.

Understanding Port 5357: Exploitation, Enumeration, and Security Best Practices

Use specialized tools that understand WS-Discovery to query the service for device descriptions. 3. Security Risks and Potential Exploitation