ET ADWARE_PUP [PTsecurity] Adware.SearchGo (start_page)

Query · suricata

flow:established,to_server;
urilen:>100;
http.method;
content:"GET";
http.uri.raw;
content:"/%f3%07%27%f6%46%d3"; depth:19;
http.header;
content:!"Content-Length|3a|";
http.user_agent;
content:"start_page"; fast_pattern;
http.header_names;
content:!"Content-Type|0d 0a|";
content:!"Accept-Encoding|0d 0a|";
content:!"Referer|0d 0a|";
Raw source ET ADWARE_PUP [PTsecurity] Adware.SearchGo (start_page) · 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 [PTsecurity] Adware.SearchGo (start_page)";
    flow:established,to_server;
    urilen:>100;
    http.method;
    content:"GET";
    http.uri.raw;
    content:"/%f3%07%27%f6%46%d3"; depth:19;
    http.header;
    content:!"Content-Length|3a|";
    http.user_agent;
    content:"start_page"; fast_pattern;
    http.header_names;
    content:!"Content-Type|0d 0a|";
    content:!"Accept-Encoding|0d 0a|";
    content:!"Referer|0d 0a|";
    reference:url,blog.malwarebytes.com/detections/adware-searchgo/;
    classtype:pup-activity;
    sid:2024762; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_09_22, deployment Perimeter, malware_family Searchgo, performance_impact Low, confidence High, signature_severity Minor, updated_at 2020_08_31;
)

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