ET PHISHING Suspicious Browser Plugin Detect - Observed in Phish Landings

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET PHISHING Suspicious Browser Plugin Detect - Observed in Phish Landings";
    flow:established,to_client;
    file_data;
    content:"#browser_info";
    content:"getBrowserMajorVersion()"; nocase; distance:0; fast_pattern;
    content:"#os_info"; nocase; distance:0;
    content:"getOSVersion()"; nocase; distance:0;
    content:"getScreenPrint()"; nocase; distance:0;
    content:"getPlugins()"; nocase; distance:0;
    content:"getJavaVersion()"; nocase; distance:0;
    content:"getFlashVersion()"; nocase; distance:0;
    content:"getSilverlightVersion()"; nocase; distance:0;
    classtype:social-engineering;
    sid:2025399; rev:2;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_02_26, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, updated_at 2019_07_26;
)