SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)

SID: 903207436Rev: 13 views
Sourcesslbl/ssl-fp-blacklist
CreatedSeptember 15, 2025
UpdatedSeptember 15, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"18:af:26:ad:00:f3:9e:1f:a7:dd:30:57:a9:09:d1:35:de:b0:3d:49"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/18af26ad00f39e1fa7dd3057a909d135deb03d49/; sid:903207436; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/18af26ad00f39e1fa7dd3057a909d135deb03d49/

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