ET ADWARE_PUP User-Agent (Download Master) - Possible Malware Downloader

Query · suricata

flow:established,to_server;
threshold:type limit, count 1, seconds 60, track by_src;
http.user_agent;
content:"Download Master"; depth:15;
Raw source ET ADWARE_PUP User-Agent (Download Master) - Possible Malware Downloader · 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 User-Agent (Download Master) - Possible Malware Downloader";
    flow:established,to_server;
    threshold:type limit, count 1, seconds 60, track by_src;
    http.user_agent;
    content:"Download Master"; depth:15;
    reference:url,www.httpuseragent.org/list/Download+Master-n727.htm;
    reference:url,www.westbyte.com/dm/;
    classtype:pup-activity;
    sid:2011146; rev:8;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Minor, updated_at 2020_10_19;
)

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