alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Possible Successful Citibank Phish M1 2016-08-22"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/online.citi.com/"; fast_pattern; content:".php"; endswith; classtype:credential-theft; sid:2032691; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_08_22, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_10_13, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)