ET PHISHING Possible Phishing Landing - Data URI Inline Javascript 2016-02-09

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;
)