ET MALWARE Operation Blockbuster User-Agent (Mozillar)

Query · suricata

flow:to_server,established;
threshold:type limit, count 2, track by_src, seconds 300;
http.user_agent;
content:"Mozillar"; depth:8; nocase; fast_pattern;
Raw source ET MALWARE Operation Blockbuster User-Agent (Mozillar) · 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 MALWARE Operation Blockbuster User-Agent (Mozillar)";
    flow:to_server,established;
    threshold:type limit, count 2, track by_src, seconds 300;
    http.user_agent;
    content:"Mozillar"; depth:8; nocase; fast_pattern;
    reference:url,securelist.com/blog/incidents/73914/operation-blockbuster-revealed/;
    reference:url,www.operationblockbuster.com/resources/index.html;
    classtype:trojan-activity;
    sid:2022564; rev:4;
    metadata:created_at 2016_02_24, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_24;
)

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