ET HUNTING SUSPICIOUS winhost(32|64).exe in URI

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/winhost"; nocase; fast_pattern;
pcre:"/\/winhost(?:32|64)\.(exe|pack)$/i";
Raw source ET HUNTING SUSPICIOUS winhost(32|64).exe in URI · 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 -> $EXTERNAL_NET any (
    msg:"ET HUNTING SUSPICIOUS winhost(32|64).exe in URI";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/winhost"; nocase; fast_pattern;
    pcre:"/\/winhost(?:32|64)\.(exe|pack)$/i";
    classtype:trojan-activity;
    sid:2017842; rev:4;
    metadata:created_at 2013_12_12, confidence Medium, signature_severity Major, updated_at 2020_09_22;
)

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