ET POLICY Pastebin-style Service (paste .ee) in TLS SNI

Query · suricata

flow:established,to_server;
tls.sni;
content:"paste.ee"; bsize:8; fast_pattern;
Raw source ET POLICY Pastebin-style Service (paste .ee) in TLS SNI · 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 Pastebin-style Service (paste .ee) in TLS SNI";
    flow:established,to_server;
    tls.sni;
    content:"paste.ee"; bsize:8; fast_pattern;
    classtype:policy-violation;
    sid:2034978; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_01_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_26;
)

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