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

SID: 903207712Rev: 10 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:"42:35:6a:60:9e:3e:b5:35:03:42:48:2f:08:ac:70:f9:c9:12:c4:5a"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/42356a609e3eb5350342482f08ac70f9c912c45a/; sid:903207712; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/42356a609e3eb5350342482f08ac70f9c912c45a/

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