alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Trojan.NSIS.Comame.A Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/9.php?safe="; fast_pattern; http.user_agent; content:"NSIS_Inetc (Mozilla)"; bsize:20; http.header_names; content:!"Referer|0d 0a|"; reference:md5,6a15f19a3ccd05f74537464e6df64dab; classtype:command-and-control; sid:2020480; rev:5; metadata:created_at 2015_02_19, signature_severity Major, updated_at 2020_09_29;)