ET HUNTING SUSPICIOUS EXE Download from Google Common Data Storage with no Referer

Query · suricata

flow:established,to_server;
http.uri;
content:".exe"; fast_pattern;
http.host;
content:"commondatastorage.googleapis.com"; bsize:32;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET HUNTING SUSPICIOUS EXE Download from Google Common Data Storage with no Referer · 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 EXE Download from Google Common Data Storage with no Referer";
    flow:established,to_server;
    http.uri;
    content:".exe"; fast_pattern;
    http.host;
    content:"commondatastorage.googleapis.com"; bsize:32;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,9fcbc6def809520e77dd7af984f82fd5;
    reference:md5,71e752dd4c4df15a910c17eadb8b15ba;
    classtype:trojan-activity;
    sid:2018556; rev:5;
    metadata:created_at 2014_06_11, performance_impact Significant, confidence Medium, signature_severity Major, updated_at 2024_04_29;
)

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