alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING Successful Generic Wembail Phish M2 2016-11-18";
flow:from_server,established;
http.stat_code;
content:"200";
http.content_type;
content:"text/html"; startswith;
file.data;
content:"<title>validationOK"; nocase; fast_pattern;
content:"Process completed"; nocase; within:50;
content:"previous Mail"; nocase; within:50;
classtype:credential-theft;
sid:2032412; rev:4;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_11_18, 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;
)