alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP User-Agent (AdVantage)"; flow:established,to_server; http.user_agent; content:"AdVantage"; startswith; reference:url,www.siteadvisor.com/sites/config.poweredbyadvantage.com; classtype:pup-activity; sid:2012104; rev:6; metadata:created_at 2010_12_27, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_31;)