Nsauditor Network Security Auditor is a utility that brings together a wide range of network utilities, to do diverse operations like auditing, scanning, monitoring, and much more.
You can discover network services and check their possible vulnerabilities, list all the TCP and UDP final points together with their associated process, discover NetBios names, search MS SQL services, try to find traces of adware, and much more.
The program also lets you filter and analyze network packets in real time, scan web proxies, and search for IP addresses. In total there are 35 network tools and utilities to do all types of operations: sniffing, machine access, email validation, HTTP traffic generator, DNS and WHOIS searches, report generation in HTML and XML formats, etc.