alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Qhosts Trojan Check-in"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:".php"; http.request_body; content:"UserID="; fast_pattern; content:"&wv="; content:"&res="; content:"&lng="; reference:url,www.symantec.com/security_response/writeup.jsp?docid=2003-100116-5901-99; classtype:trojan-activity; sid:2009517; rev:9; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_03_05;)