ET MALWARE Dridex DL Pattern Feb 18 2016

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".exe?."; fast_pattern;
pcre:"/\.exe\?\.\d+$/";
http.user_agent;
content:"MSIE 7.0|3b 20|Windows NT";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Dridex DL Pattern Feb 18 2016 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Dridex DL Pattern Feb 18 2016";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".exe?."; fast_pattern;
    pcre:"/\.exe\?\.\d+$/";
    http.user_agent;
    content:"MSIE 7.0|3b 20|Windows NT";
    http.header_names;
    content:!"Referer|0d 0a|";
    classtype:trojan-activity;
    sid:2022549; rev:6;
    metadata:created_at 2016_02_19, signature_severity Major, updated_at 2020_10_13;
)

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