alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Context Plus User-Agent (PTS)"; flow:to_server,established; http.user_agent; content:"PTS"; depth:3; reference:url,www.contextplus.net; classtype:pup-activity; sid:2002403; rev:15; metadata:created_at 2010_07_30, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_17;)