ET MALWARE TA408 Related Activity (GET)

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /?query=5 HTTP/1.1"; fast_pattern;
http.header_names;
content:"|0d 0a|Accept|0d 0a|Accept-Language|0d 0a|Accept-Encoding|0d 0a|"; startswith;
content:!"Referer";
Raw source ET MALWARE TA408 Related Activity (GET) · 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 TA408 Related Activity (GET)";
    flow:established,to_server;
    http.request_line;
    content:"GET /?query=5 HTTP/1.1"; fast_pattern;
    http.header_names;
    content:"|0d 0a|Accept|0d 0a|Accept-Language|0d 0a|Accept-Encoding|0d 0a|"; startswith;
    content:!"Referer";
    reference:url,twitter.com/AhnLab_SecuInfo/status/1460101266760089600;
    reference:md5,e521c68ac280c00b0e27cbd2fed4c9c4;
    classtype:trojan-activity;
    sid:2034511; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_11_18, deployment Perimeter, malware_family Kimsuky, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_18;
)

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