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

SID: 903207847Rev: 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:"15:41:d4:59:5a:e2:70:f6:e8:d3:57:2f:15:5e:9f:2d:6c:bc:ec:de"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/1541d4595ae270f6e8d3572f155e9f2d6cbcecde/; sid:903207847; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/1541d4595ae270f6e8d3572f155e9f2d6cbcecde/

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