alert tcp $EXTERNAL_NET any -> $SMTP_SERVERS 25 (msg:"ET CURRENT_EVENTS FedEX Spam Inbound"; flow:established,to_server; content:"name=|22|FEDEX"; nocase; content:".zip|22|"; within:47; nocase; pcre:"/name=\x22FEDEX(\s|_|\-)?[a-z0-9\-_\.\s]{0,42}\.zip\x22/i"; classtype:trojan-activity; sid:2014827; rev:2; metadata:created_at 2012_05_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)