ET HUNTING Observed Suspicious SSL Cert (Metasploit Self Signed CA)

Query · suricata

flow:from_server,established;
tls.cert_issuer;
content:"CN=MetasploitSelfSignedCA";
Raw source ET HUNTING Observed Suspicious SSL Cert (Metasploit Self Signed CA) · 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 Self Signed CA)";
    flow:from_server,established;
    tls.cert_issuer;
    content:"CN=MetasploitSelfSignedCA";
    classtype:policy-violation;
    sid:2031932; rev:1;
    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;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.