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

SID: 903207827Rev: 12 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:"4e:bd:c8:49:f6:43:5f:64:28:13:af:2b:ea:ea:52:14:31:4e:a0:45"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/4ebdc849f6435f642813af2beaea5214314ea045/; sid:903207827; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/4ebdc849f6435f642813af2beaea5214314ea045/

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