alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET WEB_CLIENT FiercePhish Password Prompt Accessed on External Server";
flow:established,to_client;
file.data;
content:"<title>FiercePhish"; fast_pattern;
content:"/fiercephish_logo.png|22 20|alt=|22|FiercePhish";
content:"placeholder=|22|Username|22|";
content:"<input type=|22|password|22|";
classtype:web-application-attack;
sid:2030498; rev:2;
metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_07_13, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_13;
)