ET MALWARE ObliqueRAT CnC Heartbeat Packet

Query · suricata

flow:established,to_server;
dsize:4;
content:"|61 63 6b 00|";
Raw source ET MALWARE ObliqueRAT CnC Heartbeat Packet · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE ObliqueRAT CnC Heartbeat Packet";
    flow:established,to_server;
    dsize:4;
    content:"|61 63 6b 00|";
    reference:md5,36903d471c43b5d602aefd791e25c889;
    reference:url,blog.talosintelligence.com/2020/02/obliquerat-hits-victims-via-maldocs.html;
    classtype:trojan-activity;
    sid:2029529; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_24, deployment Perimeter, malware_family ObliqueRAT, confidence High, signature_severity Major, updated_at 2020_02_24;
)

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