Here is an example of the contents of request.xml in d:\Temp.xml and then you reference that in your path to run the extract
<MAExtractRequest>
<CampaignDO detail="ALL">
<Name operator="*">Sunshine Campaign10846</Name>
</CampaignDO>
</MAExtractRequest>
Example of running the command
D:\SASHome\SASMarketingAutomationIntegrationUtilities\6.5>"D:\SASHome\SASMarketingAutomationIntegrationUtilities\6.5\sasmaextract" "sasdemo" xxxxxx DefaultAuth "Master Business Context" "d:\Temp\request.xml" "d:\Temp\out.xml"