alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Dialer"; flow:established,to_server; content:"/getnumtemp.asp?nip=0"; http_uri; nocase; reference:url,isc.sans.org/diary.php?storyid=1388; classtype:trojan-activity; sid:2003083; rev:6; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2019_07_26;)