alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE KillAV/Dropper/Mdrop/Hupigon - HTTP GET"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:".asp?mac="; nocase; fast_pattern; content:"&xxx="; nocase; http.user_agent; bsize:5; content:"baidu"; nocase; classtype:trojan-activity; sid:2009811; rev:7; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_02_13;)