alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Generic Personalized Google Firebase Hosted Phishing Landing";
flow:established,to_server;
http.uri;
content:"/v0/b/"; depth:6;
content:".appspot.com/"; distance:0; fast_pattern;
content:"email="; distance:0;
content:"@"; distance:0;
http.host;
content:"firebasestorage.googleapis.com";
classtype:social-engineering;
sid:2031212; rev:2;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_11_18, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, updated_at 2020_11_18;
)