alert http $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET DELETED Sality Trojan Web Update"; flow:to_server,established; content:"/new_array2.php?speed="; http_uri; nocase; reference:url,www.sophos.com/security/analyses/w32salityu.html; classtype:trojan-activity; sid:2003424; rev:6; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_08_22;)