alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspicious UA Mozilla / 4.0"; flow:established,to_server; http.host; content:!"captive.apple.com"; endswith; content:!".google.com"; endswith; http.user_agent; bsize:13; content:"Mozilla|20 2f 20|4.0"; fast_pattern; nocase; classtype:trojan-activity; sid:2013964; rev:8; metadata:created_at 2011_11_23, signature_severity Major, updated_at 2024_03_27;)