alert http $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET DELETED ASPROX Infected Site - ngg.js Request"; flow:established,to_server; content:"/ngg.js"; http_uri; nocase; content:!"nextgen-gallery"; nocase; reference:url,infosec20.blogspot.com/; classtype:trojan-activity; sid:2008373; rev:6; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_22;)