alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Unknown Trojan with Fake Java User-Agent"; flow:established,to_server; http.user_agent; content:"Java/"; startswith; http.request_line; content:"GET /1.php HTTP/1.1"; fast_pattern; http.accept; content:"text/html, image/gif, image/jpeg, *|3b 20|q=.2, */*|3b 20|q=.2"; startswith; endswith; http.connection; content:"keep-alive"; http.header_names; content:"|0d 0a|Host|0d 0a|"; startswith; classtype:trojan-activity; sid:2018640; rev:9; metadata:created_at 2014_07_04, confidence Medium, signature_severity Major, updated_at 2024_04_14;)