For Windows:
Save the following as MSFT.vbs:
set SOAPClient = createobject("MSSOAP.SOAPClient")
SOAPClient.mssoapinit "https://sandbox.mediamind.com/Eyeblaster.MediaMind.API/V2/AuthenticationService.svc?wsdl"
WScript.Echo "MSFT = " & SOAPClient.GetQuote("MSFT")
Then from a command prompt, run:
C:\>MSFT.vbs
Reference: http://blogs.msdn.com/b/bgroth/archive/2004/10/21/246155.aspx