alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP User-Agent (MSIE7 na)"; flow:established,to_server; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|na|3b 20|)"; fast_pattern; classtype:pup-activity; sid:2010461; rev:9; metadata:created_at 2010_07_30, confidence High, signature_severity Minor, updated_at 2020_08_31;)