Rule History

alert tcp $EXTERNAL_NET any -> $SMTP_SERVERS 25 (msg:"ET PHISHING Potential ACH Transaction Phishing Attachment"; flow:established,to_server; content:"ACH transaction"; nocase; content:".pdf.exe"; nocase; classtype:social-engineering; sid:2012635; rev:2; metadata:attack_target Client_Endpoint, created_at 2011_04_05, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2019_07_26;)