A simple, quick, audit tool.
-Logged On Users
-SystemInfo
-IPconfig /All
-Active Connections (Netstat)
-Netstat Names
-Privileged Users/Groups
-Startup
-Services
-Processes+Svcs
-Drivers (signed?)
-Software
-Powershell Commands
-Logon Failures
-All RDP
Feel Free to Reply with More.
**Requires PowerShell v4.0 or higher to run some of the commands , but those can be converted to WMI without much effort.