alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO User-Agent (wininet)"; flow:established,to_server; flowbits:set,ET.wininet.UA; flowbits:noalert; http.user_agent; bsize:7; content:"wininet"; classtype:misc-activity; sid:2021311; rev:5; metadata:created_at 2015_06_19, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_10;)