ET ADWARE_PUP Malicious Chrome Extension

Query · suricata

flow:established,to_server;
http.uri;
content:"page?url="; fast_pattern;
content:"/user/";
content:"iframe=";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET ADWARE_PUP Malicious Chrome Extension · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Malicious Chrome Extension";
    flow:established,to_server;
    http.uri;
    content:"page?url="; fast_pattern;
    content:"/user/";
    content:"iframe=";
    http.header_names;
    content:!"Referer|0d 0a|";
    classtype:pup-activity;
    sid:2023015; rev:4;
    metadata:affected_product Web_Browser_Plugins, affected_product Google_Chrome, attack_target Client_Endpoint, created_at 2016_08_05, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2020_08_31;
)

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