ET HUNTING Observed Suspicious SSL Cert (Metasploit in TLS Subject)

Query · suricata

flow:from_server,established;
tls.cert_subject;
content:"Metasploit"; nocase;
Raw source ET HUNTING Observed Suspicious SSL Cert (Metasploit in TLS Subject) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tls any any -> $HOME_NET any (
    msg:"ET HUNTING Observed Suspicious SSL Cert (Metasploit in TLS Subject)";
    flow:from_server,established;
    tls.cert_subject;
    content:"Metasploit"; nocase;
    classtype:policy-violation;
    sid:2031933; rev:2;
    metadata:attack_target Client_and_Server, created_at 2021_03_11, deployment Perimeter, deployment Internet, deployment Internal, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_11;
)

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