ET MALWARE Likely Evil Macro EXE DL mar 28 2016

Query · suricata

flow:established,to_server;
http.method;
content:"HEAD";
http.uri;
content:".exe";
http.user_agent;
content:"Microsoft BITS/7.5"; fast_pattern; bsize:18;
http.header_names;
content:!"Referer|0d 0a|";
http.host;
pcre:"/(?:xyz|pw)$/";
Raw source ET MALWARE Likely Evil Macro EXE DL mar 28 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Likely Evil Macro EXE DL mar 28 2016";
    flow:established,to_server;
    http.method;
    content:"HEAD";
    http.uri;
    content:".exe";
    http.user_agent;
    content:"Microsoft BITS/7.5"; fast_pattern; bsize:18;
    http.header_names;
    content:!"Referer|0d 0a|";
    http.host;
    pcre:"/(?:xyz|pw)$/";
    reference:md5,d599a63fac0640c21272099f39020fac;
    classtype:trojan-activity;
    sid:2022686; rev:5;
    metadata:created_at 2016_03_30, confidence Medium, signature_severity Major, updated_at 2020_06_30;
)

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