Port 5357 Hacktricks - [hot]

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

5357/tcp open http Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)

Since port 5357 responds to HTTP requests, it can sometimes be targeted in NTLM relay scenarios. If an attacker forces an administrative account to authenticate against a malicious listener, that authentication can be relayed to port 5357 on a target machine to gather data or execute actions if the service configuration allows. Network Mapping

Ensure regular OS patch management is enforced to mitigate any underlying vulnerabilities within the http.sys driver or the WSD API framework. port 5357 hacktricks

From a defensive perspective, the mitigation strategies for port 5357 are straightforward but frequently overlooked in corporate governance. The standard recommendation is to disable the "Function Discovery Resource Publication" service and "SSDP Discovery" service on machines that do not require device broadcasting. In a hardened Active Directory environment, workstations should rely on the Domain Name System (DNS) rather than peer-to-peer discovery. Closing this port reduces the attack surface by silencing the machine on the local network segment, making it invisible to casual scanners.

Running an aggressive service scan against a target machine frequently reveals the port associated with wsdapi .

Securing Port 5357 involves limiting its visibility to trusted network segments or disabling the discovery features entirely if they are not required by your enterprise operations. Disable Unnecessary Services From a defensive perspective, the mitigation strategies for

WSDAPI endpoints often expose specific XML schemas. You can query the root or typical WSD paths to check for a response: curl http:// :5357/WSDAL/ Use code with caution. 3. Information Disclosure Risks

Restrict inbound traffic on port 5357 via Windows Defender Firewall to trusted local subnets only.

This article serves as a deep-dive into port 5357 , drawing on the spirit of the HackTricks project. You'll learn exactly what this service is, why it's a potential target for attackers, and how you can enumerate, attack, and ultimately secure it in a network environment. Closing this port reduces the attack surface by

Usually open on Windows clients (Vista and later), IoT devices, and network printers. Associated Ports:

: It provides an HTTP-based discovery mechanism. When accessed via a browser, it may return a "404 Not Found" or a simple status message if the service is active but not configured to serve a root page. Enumeration & Pentesting Approach

I notice you're asking about "port 5357 hacktricks" — are you looking for security research related to (often associated with WSDAPI / Web Services on Devices or Microsoft WER ), or specifically for a known article or write‑up from HackTricks ?

If network discovery and file sharing are not required on the server, disable the "Function Discovery Provider Host" and "Function Discovery Resource Publication" services.

If device discovery features are not required on a server or workstation, disable the underlying service: Open services.msc .