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

SID: 903208639Rev: 11 views
Sourcesslbl/ssl-fp-blacklist
CreatedDecember 23, 2025
UpdatedDecember 23, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"06:4d:9b:53:d5:09:2f:63:00:1c:cd:5e:96:26:d8:c3:61:71:7e:62"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/064d9b53d5092f63001ccd5e9626d8c361717e62/; sid:903208639; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/064d9b53d5092f63001ccd5e9626d8c361717e62/

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