alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Successful Google Drive Phish Sept 1 M2 2015-09-02";
flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"challengetype="; fast_pattern;
content:"&phoneNumber="; nocase;
content:"&recEmail="; nocase;
classtype:credential-theft;
sid:2031826; rev:5;
metadata:attack_target Client_Endpoint, created_at 2015_09_01, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_09_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)