ET MALWARE Win32/Sefnit Initial Checkin

Query · suricata

flow:established,to_server;
http.uri;
content:"/version.php?ver=";
content:"&app=";
http.user_agent;
content:"NSISDL"; startswith;
Raw source ET MALWARE Win32/Sefnit Initial 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 Win32/Sefnit Initial Checkin";
    flow:established,to_server;
    http.uri;
    content:"/version.php?ver=";
    content:"&app=";
    http.user_agent;
    content:"NSISDL"; startswith;
    classtype:command-and-control;
    sid:2013221; rev:4;
    metadata:created_at 2011_07_06, malware_family Win32_Sefnit, signature_severity Major, updated_at 2024_03_08;
)

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