ET ADWARE_PUP Crossrider Spyware Checkin

Query · suricata

flow:established,to_server;
http.uri;
content:"/updater/"; depth:9;
content:"/update.json?rnd="; distance:32; within:18;
http.header_names;
content:!"User-Agent";
Raw source ET ADWARE_PUP Crossrider Spyware Checkin · 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 Crossrider Spyware Checkin";
    flow:established,to_server;
    http.uri;
    content:"/updater/"; depth:9;
    content:"/update.json?rnd="; distance:32; within:18;
    http.header_names;
    content:!"User-Agent";
    classtype:pup-activity;
    sid:2017196; rev:6;
    metadata:created_at 2013_07_26, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_31;
)

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