alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Possible Successful Docusign Phish 2015-07-27";
flow:to_server,established;
http.method;
content:"POST";
http.request_body;
content:"Email="; depth:6; fast_pattern;
content:"&Password="; distance:0;
content:"&EmailLinkId="; distance:0;
content:"RedirectUrl="; distance:0;
classtype:credential-theft;
sid:2031749; rev:4;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_07_27, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_08_13, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)