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

SID: 903209558Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedApril 15, 2026
UpdatedApril 15, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"c4:1b:9a:f9:7d:b6:c2:61:eb:d7:47:f9:7b:33:4a:78:0b:b2:66:7d"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c41b9af97db6c261ebd747f97b334a780bb2667d/; sid:903209558; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/c41b9af97db6c261ebd747f97b334a780bb2667d/

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