ET MALWARE W32/Numnet.Downloader CnC Checkin 1

Query · suricata

flow:established,to_server;
http.uri;
content:"/counter/mac_proc.php?cid="; fast_pattern;
content:"&mid=";
http.user_agent;
content:"internet"; bsize:8;
Raw source ET MALWARE W32/Numnet.Downloader CnC Checkin 1 · 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 W32/Numnet.Downloader CnC Checkin 1";
    flow:established,to_server;
    http.uri;
    content:"/counter/mac_proc.php?cid="; fast_pattern;
    content:"&mid=";
    http.user_agent;
    content:"internet"; bsize:8;
    reference:md5,fbc732c7cd1bbd84956b1e76b53384da;
    classtype:command-and-control;
    sid:2015020; rev:3;
    metadata:created_at 2012_07_04, signature_severity Major, updated_at 2020_04_21;
)

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