alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING Successful Email Settings Phish 2016-10-28";
flow:from_server,established;
http.stat_code;
content:"200";
http.content_type;
content:"text/html"; startswith;
file.data;
content:"<html><head><base target=|22|_blank|22|>"; depth:34;
content:"Your report has been received"; nocase; distance:0; fast_pattern;
content:"you will be notified once"; nocase; within:30;
content:"problem is resolved"; nocase; within:30;
content:"<br>----------------<br>"; nocase; distance:0;
classtype:credential-theft;
sid:2032409; rev:4;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_10_28, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_19, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)