ET SCADA [nsacyber/ELITEWOLF] Siemens S7-1200 Default X509 Certificate String

Query · suricata

flow:established,to_client;
tls.certs;
content:"S7-1200 Controller Family"; fast_pattern;
target:src_ip;
Raw source ET SCADA [nsacyber/ELITEWOLF] Siemens S7-1200 Default X509 Certificate String · 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 tls $HOME_NET any -> any any (
    msg:"ET SCADA [nsacyber/ELITEWOLF] Siemens S7-1200 Default X509 Certificate String";
    flow:established,to_client;
    tls.certs;
    content:"S7-1200 Controller Family"; fast_pattern;
    reference:url,github.com/nsacyber/ELITEWOLF;
    classtype:misc-activity;
    sid:2048686; rev:2;
    metadata:affected_product Siemens_S7_Series, attack_target ICS, created_at 2023_10_19, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Minor, updated_at 2024_04_25, reviewed_at 2024_10_02;
    target:src_ip;
)

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