Port 5357 Hacktricks Jun 2026

Using SpoolSample.exe :

The specific response from Microsoft-HTTPAPI/2.0 can help narrow down Windows versions (commonly seen in Vista, Windows 7, and Server 2008). Vulnerabilities & Exploitation 1. Remote Code Execution (MS09-063 / CVE-2009-2512)

, a Microsoft service designed to let devices like printers and scanners "plug-and-play" over a network. While helpful for office efficiency, it was a known Information Disclosure

To protect your systems against port 5357 attacks, follow these best practices:

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 hacktricks

Because the service runs over HTTP, you can query it using standard web tools. curl -i http:// :5357/ Use code with caution. Checking Common Paths

Enables Windows computers to automatically discover network printers, file shares, and other smart devices.

Defensive posture — practical, prioritized steps

Connected hardware capabilities (e.g., specific printer models) NTLM Credential Harvesting (WebDAV Relay) Using SpoolSample

This article provides a deep dive into the security implications of port 5357, based on methodologies similar to those found in HackTricks , including reconnaissance, enumeration, and potential exploitation avenues. 1. What is Port 5357?

Port 5357 Overview Port 5357 is used for Web Services Dynamic Discovery (WS-Discovery) and Web Services for Management (WS-Management) over HTTP. This port typically runs on Windows operating systems to allow devices to automatically discover each other and share resources on a local network. Because it communicates via standard HTTP, attackers often target it to gather intelligence about an internal network or attempt remote code execution. Reconnaissance and Enumeration

Disclaimer: This report is based on information regarding network security and vulnerability research. Use code with caution. Copied to clipboard

# Service discovery nmap -p 5357 <target> While helpful for office efficiency, it was a

gobuster dir -u http:// :5357/ -w /usr/share/wordlists/dirb/common.txt Use code with caution. Attack Vectors and Exploitation

From a penetration testing perspective, port 5357 is often a "quiet" target used for gathering information or facilitating lateral movement rather than direct RCE (Remote Code Execution).

If you run a nmap -p5357 192.168.1.0/24 and see open , you might have stumbled upon a Windows service that is poorly understood but potentially dangerous: .

During a penetration test or a Capture The Flag (CTF) competition, encountering an open port 5357 offers a unique avenue for network enumeration and information gathering. This article breaks down how port 5357 works, how to enumerate it using tools found in the HackTricks methodology, and how to secure it. 1. What is Port 5357 (WS-Discovery)?