ET ADWARE_PUP Adware.MultiInstaller checkin 2

Query · suricata

flow:established, to_server;
http.method;
content:"GET";
http.uri;
content:"/entrance?s1="; depth:13;
pcre:"/^\/entrance\?s1=[a-f0-9]{100,}$/i";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET ADWARE_PUP Adware.MultiInstaller checkin 2 · Suricata
Esc
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 -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Adware.MultiInstaller checkin 2";
    flow:established, to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/entrance?s1="; depth:13;
    pcre:"/^\/entrance\?s1=[a-f0-9]{100,}$/i";
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,c610d46d97c1b80f027f56d227a003f7;
    classtype:pup-activity;
    sid:2018590; rev:4;
    metadata:created_at 2014_06_20, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_31;
)

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