ET EXPLOIT Bloomberg Comdb2 Distributed Transaction Heartbeat Operation DoS (CVE-2025-46354)

Query · suricata

flow:established,to_server;
content:"|00 00 00 01|"; fast_pattern; startswith;
byte_extract:1,15,data_len;
isdataat:data_len;
content:"|0a|"; distance:2; within:1;
content:"|08 01|"; distance:0;
threshold:type threshold, track by_src, count 10, seconds 60;
target:dest_ip;
Raw source ET EXPLOIT Bloomberg Comdb2 Distributed Transaction Heartbeat Operation DoS (CVE-2025-46354) · 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 any any -> $HOME_NET 19000 (
    msg:"ET EXPLOIT Bloomberg Comdb2 Distributed Transaction Heartbeat Operation DoS (CVE-2025-46354)";
    flow:established,to_server;
    content:"|00 00 00 01|"; fast_pattern; startswith;
    byte_extract:1,15,data_len;
    isdataat:data_len;
    content:"|0a|"; distance:2; within:1;
    content:"|08 01|"; distance:0;
    threshold:type threshold, track by_src, count 10, seconds 60;
    reference:url,talosintelligence.com/vulnerability_reports/TALOS-2025-2200;
    reference:cve,2025-46354;
    classtype:attempted-dos;
    sid:2063843; rev:1;
    metadata:attack_target Networking_Equipment, created_at 2025_07_31, cve CVE_2025_46354, deployment Perimeter, deployment Internal, performance_impact Significant, confidence Medium, signature_severity Major, updated_at 2025_07_31;
    target:dest_ip;
)

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