alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING Phishing Landing Page - Excel Purchase Order Form";
flow:established,from_server;
http.stat_code;
content:"200";
http.response_body;
content:"<form action|3d 22|";
content:"|2f|post.php|22|"; distance:0;
content:"method|3d 22|post|22 3e|"; distance:0;
content:"|3c|h3|20|id|3d 22|title|22 3e|Purchase|20|Order|20|Excel|20|Portal|3c 2f|h1|3e|"; within:300; fast_pattern;
reference:url,app.any.run/tasks/cd930ac7-e716-42ac-a6ff-b24caffbcaffbc40d;
classtype:credential-theft;
sid:2037839; rev:1;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2022_07_28, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_28;
)