alert icmp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Nine Ball Infection Ping Outbound"; icode:0; itype:8; dsize:32; content:"EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"; classtype:trojan-activity; sid:2011185; rev:2; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)