alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful IRS Phish (set) 2016-01-23"; flow:established,to_server; flowbits:set,ET.irs.phish; flowbits:noalert; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"ssn1="; nocase; fast_pattern; content:"ssn2="; nocase; content:"ssn3="; nocase; content:"address="; nocase; content:"city="; nocase; content:"state="; nocase; classtype:credential-theft; sid:2032423; rev:6; metadata:attack_target Client_Endpoint, created_at 2016_01_23, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2024_03_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)