alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Successful Vmware/Zimbra Phish 2015-09-28";
flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:".php?";
http.request_body;
content:"username="; depth:9; fast_pattern;
content:"&username"; distance:0;
content:"&password="; distance:0;
content:"&client="; distance:0;
classtype:credential-theft;
sid:2031730; rev:5;
metadata:attack_target Client_Endpoint, created_at 2015_09_28, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_07_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)