alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Cloned IRS Page - Possible Phishing Landing"; flow:established,to_client; file.data; content:"<!-- saved from url=("; within:500; content:".irs.gov/"; nocase; within:100; fast_pattern; classtype:social-engineering; sid:2031166; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_11_03, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_11_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)