ET SCADA IEC-104 Station Interrogation - Global ASDU Broadcast

Query · suricata

flow:established,to_server;
content:"|68|"; startswith;
content:"|64|"; distance:0;
content:"|ff ff 00 00 00 14|"; fast_pattern; distance:3;
target:dest_ip;
Raw source ET SCADA IEC-104 Station Interrogation - Global ASDU Broadcast · Suricata
Esc
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 2404 (
    msg:"ET SCADA IEC-104 Station Interrogation - Global ASDU Broadcast";
    flow:established,to_server;
    content:"|68|"; startswith;
    content:"|64|"; distance:0;
    content:"|ff ff 00 00 00 14|"; fast_pattern; distance:3;
    reference:url,icsdefense.net/pcap;
    reference:url,github.com/automayt/ICS-pcap/tree/master/IEC 60870/iec104;
    classtype:protocol-command-decode;
    sid:2046164; rev:1;
    metadata:affected_product IoT, attack_target IoT, created_at 2023_06_06, deployment Perimeter, deployment Internal, deployment Datacenter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_07;
    target:dest_ip;
)

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