ET ADWARE_PUP TopTools PUP Install Activity

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"_install.cgi";
http.user_agent;
content:"BIDUI18N"; bsize:8;
http.request_body;
content:"name=|22|ufile01|22 3b 20|filename=|22|boundary|22|"; fast_pattern;
content:"Content-Type|3a 20|application/octet-stream"; distance:0;
http.header_names;
content:!"Accept-";
content:!"Referer|0d 0a|";
Raw source ET ADWARE_PUP TopTools PUP Install Activity · 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 TopTools PUP Install Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"_install.cgi";
    http.user_agent;
    content:"BIDUI18N"; bsize:8;
    http.request_body;
    content:"name=|22|ufile01|22 3b 20|filename=|22|boundary|22|"; fast_pattern;
    content:"Content-Type|3a 20|application/octet-stream"; distance:0;
    http.header_names;
    content:!"Accept-";
    content:!"Referer|0d 0a|";
    reference:md5,3e464cff8690c7a2f57542688a278c62;
    classtype:pup-activity;
    sid:2022829; rev:4;
    metadata:created_at 2016_05_19, signature_severity Minor, updated_at 2020_08_31;
)

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