ET MALWARE Win32/MataDoor CnC Beacon Over UDP

Query · suricata

content:"|00 04 00 00 00 00 00 00 00 00 01|"; startswith; fast_pattern;
dsize:15;
threshold:type limit, seconds 300, count 1, track by_src;
Raw source ET MALWARE Win32/MataDoor CnC Beacon Over UDP · 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 udp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/MataDoor CnC Beacon Over UDP";
    content:"|00 04 00 00 00 00 00 00 00 00 01|"; startswith; fast_pattern;
    dsize:15;
    threshold:type limit, seconds 300, count 1, track by_src;
    reference:md5,34e3e94f9955c101640b44926bc44393;
    reference:url,ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/dark-river-you-can-t-see-them-but-they-re-there/;
    classtype:trojan-activity;
    sid:2048550; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_12, deployment SSLDecrypt, malware_family Win32_MataDoor, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_12;
)

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