ET MALWARE Likely Geodo/Emotet Downloading PE - Fake UA

Query · suricata

flow:established,to_server;
http.method;
content:"GET"; nocase;
http.uri;
content:".exe"; endswith;
http.header_names;
content:!"|0d 0a|Accept-";
content:!"|0d 0a|Referer|0d 0a|";
http.user_agent;
content:"Mozilla/5.0 (compatible|3b 20|MSIE 9.0|3b 20|Windows NT 7.1|3b 20|Trident/5.0)"; fast_pattern;
Raw source ET MALWARE Likely Geodo/Emotet Downloading PE - Fake UA · 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 Likely Geodo/Emotet Downloading PE - Fake UA";
    flow:established,to_server;
    http.method;
    content:"GET"; nocase;
    http.uri;
    content:".exe"; endswith;
    http.header_names;
    content:!"|0d 0a|Accept-";
    content:!"|0d 0a|Referer|0d 0a|";
    http.user_agent;
    content:"Mozilla/5.0 (compatible|3b 20|MSIE 9.0|3b 20|Windows NT 7.1|3b 20|Trident/5.0)"; fast_pattern;
    reference:md5,6c4d198794d1afd2b8bbae6f16bdfaa7;
    classtype:trojan-activity;
    sid:2035044; rev:5;
    metadata:created_at 2015_03_17, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_23;
)

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