alert http $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET DELETED Javascript unsafe applet call"; flow:from_server,established; content:"sun.misc.Unsafe"; reference:url,www.mullingsecurity.com; classtype:trojan-activity; sid:2002786; rev:4; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)