ET ADWARE_PUP Adware.MultiInstaller

Query · suricata

flow:established, to_server;
http.method;
content:"GET";
http.uri;
content:"?s1="; fast_pattern;
pcre:"/^\/(?:info|entrance|start|debug)\?s1=[a-f0-9]{100,}$/";
http.header_names;
content:!"Referer";
Raw source ET ADWARE_PUP Adware.MultiInstaller · 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 -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Adware.MultiInstaller";
    flow:established, to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?s1="; fast_pattern;
    pcre:"/^\/(?:info|entrance|start|debug)\?s1=[a-f0-9]{100,}$/";
    http.header_names;
    content:!"Referer";
    reference:md5,26973eeddb4781225b7c23d2d9cce996;
    reference:md5,a74b1602a50b9c7d3262e3f80a6a2e68;
    classtype:pup-activity;
    sid:2018512; rev:8;
    metadata:created_at 2014_06_02, signature_severity Minor, updated_at 2020_08_31;
)

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