Port 5357 Hacktricks | 90% LEGIT |

Attackers can craft valid WS-Discovery SOAP requests to force the service to dump device metadata. This data often includes: Computer hostnames Unique Device UUIDs Exact Windows build versions

Because port 5357 handles XML data structures, older or misconfigured implementations of Windows Communication Foundation (WCF) or WSDAPI may be susceptible to XML-based attacks.

Ensure Port 5357 TCP is never exposed to the public Internet.

If network discovery features are not explicitly required (common in secure enterprise environments), disable the underlying services. port 5357 hacktricks

Apply Microsoft updates, particularly those addressing WSDAPI vulnerabilities. 5. Investigation Commands To check if Port 5357 is open on a Windows system: netstat -anb | find "5357" Use code with caution. Copied to clipboard If the port is listening, it often shows:

The silent hum of the server room was broken only by the rhythmic blinking of a workstation. An analyst, following a standard pentesting methodology from HackTricks , noticed a curious entry in an Port 5357 (TCP)

Elena smirked. "Gotcha."

Some WSD services expose management web pages (admin panels) of printers.

Your first step should always be an Nmap scan to identify the service version and running scripts. nmap -p 5357 -sV -sC Use code with caution.

Port 5357 is a UDP port used by the Windows operating system for the Windows Remote Management (WinRM) service, also known as the Microsoft Management Console (MMC) or Windows Management Instrumentation (WMI). It's also used for the Simple Network Management Protocol (SNMP) and other management applications. Attackers can craft valid WS-Discovery SOAP requests to

Port 5357 is the default TCP port for the protocol, a Microsoft implementation of the Devices Profile for Web Services (DPWS) . It was introduced in Windows Vista and is active by default in Windows 7, Windows 8, and Windows 10, especially when Network Discovery is enabled.

WSD can leak service details, including hostnames, printer names, network paths, and device metadata. This is valuable for fingerprinting the network. Unauthorized Access:

An attacker triggers a request from port 5357 to an internal listener. If network discovery features are not explicitly required

WSD utilizes specific UUIDs and endpoints to handle communication. Attackers and auditors look for paths related to the Function Discovery Provider Host ( fdphost ) or specific print/scan services.