alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Possible Phishing Landing - Data URI Inline Javascript 2016-02-09"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"<meta http-equiv"; content:"refresh"; nocase; distance:1; within:8; content:"content="; nocase; distance:0; pcre:"/^\x22[0-9]+?[^\x22]/Rsi"; content:"url=data|3a|text/html,http"; fast_pattern; nocase; distance:0; pcre:"/^[^\x22]+<\s*?script\s*?.+data\x3atext/html\x3bbase64,/Rsi"; classtype:social-engineering; sid:2031970; rev:3; metadata:attack_target Client_Endpoint, created_at 2016_02_17, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2020_06_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)