alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP suspicious User-Agent (vb wininet)"; flow:established,to_server; http.user_agent; content:"vb|20 20 20|wininet"; startswith; classtype:pup-activity; sid:2016069; rev:6; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2012_12_21, deployment Perimeter, confidence High, signature_severity Minor, tag User_Agent, updated_at 2024_04_13;)