alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING Successful Horde Webmail Phish 2015-08-21";
flow:established,to_client;
file_data;
content:"<title>|2e 2e 3a 3a|Account Details"; fast_pattern;
content:"Successfully Submitted|3a 3a 2e 2e|</title>"; distance:1;
content:"Your request has been received"; distance:0;
content:"and will be processed shortly."; distance:1;
classtype:credential-theft;
sid:2031726; rev:6;
metadata:attack_target Client_Endpoint, created_at 2015_08_21, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2022_03_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)