alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Successful IRS Phish 2016-01-23"; flow:to_client,established; flowbits:isset,ET.irs.phish; http.stat_code; content:"302"; http.location; content:"http"; depth:4; content:"irs.gov"; distance:0; nocase; fast_pattern; http.content_type; content:"text/html"; depth:9; classtype:credential-theft; sid:2032672; rev:6; metadata:attack_target Client_Endpoint, created_at 2016_01_23, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_12_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)