ET ADWARE_PUP Win32/Sogou.H Variant Request

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /appinfo?num="; startswith; fast_pattern;
pcre:"/^\d+\sHTTP/1.1$/R";
http.header_names;
content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; bsize:22;
http.user_agent;
content:"HttpDownload"; bsize:12;
Raw source ET ADWARE_PUP Win32/Sogou.H Variant Request · 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 -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Win32/Sogou.H Variant Request";
    flow:established,to_server;
    http.request_line;
    content:"GET /appinfo?num="; startswith; fast_pattern;
    pcre:"/^\d+\sHTTP/1.1$/R";
    http.header_names;
    content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; bsize:22;
    http.user_agent;
    content:"HttpDownload"; bsize:12;
    reference:md5,29db559062d82a56c53c70c68dc160ec;
    classtype:pup-activity;
    sid:2031191; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_09, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_09;
)

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