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

SID: 903202838Rev: 139 views
History
Sourcesslbl/ssl-fp-blacklist
CreatedJune 25, 2025
UpdatedJune 25, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"9b:aa:51:75:65:2e:63:4c:3f:e4:9d:0a:af:05:dc:ec:88:f2:99:65"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/9baa5175652e634c3fe49d0aaf05dcec88f29965/; sid:903202838; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/9baa5175652e634c3fe49d0aaf05dcec88f29965/

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