ET MALWARE Win32/Bumblebee Loader Checkin Activity (set)

Query · suricata

flow:established,to_server;
flowbits:set,et.bumblebee;
flowbits:noalert;
dsize:4;
content:"|00 00 00|"; endswith; fast_pattern;
target:src_ip;

Rule dependencies

Feeds into

Raw source ET MALWARE Win32/Bumblebee Loader Checkin Activity (set) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 443 (
    msg:"ET MALWARE Win32/Bumblebee Loader Checkin Activity (set)";
    flow:established,to_server;
    flowbits:set,et.bumblebee;
    flowbits:noalert;
    dsize:4;
    content:"|00 00 00|"; endswith; fast_pattern;
    reference:md5,270103c51888a8e98972283c825d84cd;
    classtype:trojan-activity;
    sid:2047945; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_09_07, deployment Perimeter, malware_family Win32_Bumblebee, performance_impact Moderate, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_07, reviewed_at 2024_04_08;
    target:src_ip;
)

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