alert tcp $EXTERNAL_NET any -> $SMTP_SERVERS 25 (msg:"ET PHISHING Potential Paypal Phishing Form Attachment"; flow:established,to_server; content:"Content-Disposition|3A| attachment|3b|"; nocase; content:"Restore Your Account"; distance:0; nocase; content:"paypal"; distance:0; nocase; content:"form.php|22| method=|22|post|22|"; nocase; distance:0; classtype:social-engineering; sid:2012632; rev:3; metadata:attack_target Client_Endpoint, created_at 2011_04_05, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2019_07_26;)