ET EXPLOIT_KIT Redirect on ActiveXObject support

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.response_body;
content:"<script>";
content:"if|20 28|window.ActiveXObject"; distance:0;
content:"ActiveXObject|22 20|in window"; within:40; fast_pattern;
content:"window|2e|location|2e|href|3d 22|"; within:35;
content:"|7d|else|7b|"; within:100;
content:"window|2e|location|2e|href|3d 22|"; within:35;
Raw source ET EXPLOIT_KIT Redirect on ActiveXObject support · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT_KIT Redirect on ActiveXObject support";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"<script>";
    content:"if|20 28|window.ActiveXObject"; distance:0;
    content:"ActiveXObject|22 20|in window"; within:40; fast_pattern;
    content:"window|2e|location|2e|href|3d 22|"; within:35;
    content:"|7d|else|7b|"; within:100;
    content:"window|2e|location|2e|href|3d 22|"; within:35;
    classtype:exploit-kit;
    sid:2028833; rev:2;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_10_15, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2019_10_15;
)

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