ET MALWARE Win32/Nivdort Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?email="; fast_pattern;
http.accept;
content:"*/*";
http.connection;
content:"close";
http.header_names;
content:"|0d 0a|Accept|0d 0a|Connection|0d 0a|Host|0d 0a|";
content:!"|0d 0a|User-Agent|0d 0a|";
content:!"|0d 0a|Referer|0d 0a|";
content:!"|0d 0a|Accept-";
Raw source ET MALWARE Win32/Nivdort Checkin · 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 Win32/Nivdort Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?email="; fast_pattern;
    http.accept;
    content:"*/*";
    http.connection;
    content:"close";
    http.header_names;
    content:"|0d 0a|Accept|0d 0a|Connection|0d 0a|Host|0d 0a|";
    content:!"|0d 0a|User-Agent|0d 0a|";
    content:!"|0d 0a|Referer|0d 0a|";
    content:!"|0d 0a|Accept-";
    reference:md5,a80440b3d9cb09898c0f12aaa05980c0;
    reference:url,microsoft.com/security/portal/threat/encyclopedia/entry.aspx?Name=TrojanSpy%3AWin32/Nivdort;
    classtype:command-and-control;
    sid:2025020; rev:9;
    metadata:created_at 2015_02_12, malware_family Win32_Nivdort, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_19, reviewed_at 2024_03_26;
)

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