ET POLICY My2022/Beijing2022 App (TLS SNI) 1

Query · suricata

flow:established,to_server;
tls_sni;
content:"bigdata.beijing2022.cn";
isdataat:!1,relative; nocase;
Raw source ET POLICY My2022/Beijing2022 App (TLS SNI) 1 · Suricata
Esc
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 -> $EXTERNAL_NET any (
    msg:"ET POLICY My2022/Beijing2022 App (TLS SNI) 1";
    flow:established,to_server;
    tls_sni;
    content:"bigdata.beijing2022.cn";
    isdataat:!1,relative; nocase;
    reference:url,citizenlab.ca/2022/01/cross-country-exposure-analysis-my2022-olympics-app/;
    classtype:policy-violation;
    sid:2034995; rev:2;
    metadata:created_at 2022_01_28, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_28;
)

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