ET MALWARE Win32/Generik.BUTNSNA Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"|2e|ashx|3f|UserName|3d|"; fast_pattern;
content:"|26|ClientID|3d|"; distance:0;
content:"|26|ClientVer|3d|"; distance:0;
http.header_names;
content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Cache-Control|0d 0a 0d 0a|"; startswith;
Raw source ET MALWARE Win32/Generik.BUTNSNA 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/Generik.BUTNSNA Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"|2e|ashx|3f|UserName|3d|"; fast_pattern;
    content:"|26|ClientID|3d|"; distance:0;
    content:"|26|ClientVer|3d|"; distance:0;
    http.header_names;
    content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Cache-Control|0d 0a 0d 0a|"; startswith;
    reference:md5,ec57a218756bff2b4d7656ac55a73af2;
    classtype:trojan-activity;
    sid:2042992; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_12_21, deployment Perimeter, malware_family Win32_Generik_BUTNSNA, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_21, reviewed_at 2024_12_24;
)

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