ET MALWARE UBoatRAT CnC Check-in

Query · suricata

flow:established,to_server;
dsize:>48;
content:"|bc b0 b0 88 88 88 88 88 88 88 88 88|"; depth:12; fast_pattern;
Raw source ET MALWARE UBoatRAT CnC Check-in · 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 tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE UBoatRAT CnC Check-in";
    flow:established,to_server;
    dsize:>48;
    content:"|bc b0 b0 88 88 88 88 88 88 88 88 88|"; depth:12; fast_pattern;
    reference:url,researchcenter.paloaltonetworks.com/2017/11/unit42-uboatrat-navigates-east-asia/;
    classtype:command-and-control;
    sid:2025093; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_12_01, deployment Perimeter, malware_family UBoatRAT, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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