alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING Upgrade Email Account Phishing Landing 2018-03-12";
flow:established,to_client;
file_data;
content:"<title"; nocase;
content:"Secure Login|20 7c 20|E-Mail Administrator"; within:40; nocase; fast_pattern;
content:"upgrade your mailbox"; nocase; distance:0;
classtype:social-engineering;
sid:2025421; rev:1;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_03_12, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, updated_at 2019_07_26;
)