ET MALWARE W32/NSISDL.Downloader CnC Server Response

Query · suricata

flow:established,to_client;
file_data;
content:"[install 1]"; within:11;
content:"Ins="; within:40;
Raw source ET MALWARE W32/NSISDL.Downloader CnC Server Response · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE W32/NSISDL.Downloader CnC Server Response";
    flow:established,to_client;
    file_data;
    content:"[install 1]"; within:11;
    content:"Ins="; within:40;
    classtype:command-and-control;
    sid:2016746; rev:2;
    metadata:created_at 2013_04_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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