ET MALWARE MSIL.Zapchast Checkin

Query · suricata

flow:to_server,established;
http.uri;
content:"/files/def"; fast_pattern; endswith;
http.header_names;
content:!"Accept|0d 0a|";
content:!"Referer|0d 0a|";
http.user_agent;
content:"AutoIt"; depth:6;
Raw source ET MALWARE MSIL.Zapchast Checkin · 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 MALWARE MSIL.Zapchast Checkin";
    flow:to_server,established;
    http.uri;
    content:"/files/def"; fast_pattern; endswith;
    http.header_names;
    content:!"Accept|0d 0a|";
    content:!"Referer|0d 0a|";
    http.user_agent;
    content:"AutoIt"; depth:6;
    reference:md5,63586aef2be494150a492d822147055a;
    classtype:command-and-control;
    sid:2018142; rev:4;
    metadata:created_at 2014_02_15, signature_severity Major, updated_at 2020_04_27;
)

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