ET HUNTING Suspicious Jar name JavaUpdate.jar

Query · suricata

flow:established,to_server;
http.uri;
content:"/JavaUpdate.jar"; nocase;
http.user_agent;
content:"Java/1.";
Raw source ET HUNTING Suspicious Jar name JavaUpdate.jar · 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 HUNTING Suspicious Jar name JavaUpdate.jar";
    flow:established,to_server;
    http.uri;
    content:"/JavaUpdate.jar"; nocase;
    http.user_agent;
    content:"Java/1.";
    reference:url,www.securelist.com/en/downloads/vlpdfs/unveilingthemask_v1.0.pdf;
    classtype:bad-unknown;
    sid:2018106; rev:4;
    metadata:created_at 2014_02_11, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_27;
)

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