alert udp $HOME_NET any -> $EXTERNAL_NET 6990:6999 (msg:"ET MALWARE Medbod UDP Phone Home Packet"; dsize:<50; content:"ebex"; nocase; pcre:"/\x06\x00?$/"; classtype:trojan-activity; sid:2007949; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)