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

SID: 903204117Rev: 1EnabledDerived1 views
Filesslblacklist_tls_cert.rules
CreatedJune 25, 2025
UpdatedJune 25, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"ee:73:d4:ae:1d:aa:d8:68:ad:d7:28:ad:ae:3d:58:48:7a:4d:67:d1"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/ee73d4ae1daad868add728adae3d58487a4d67d1/; sid:903204117; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/ee73d4ae1daad868add728adae3d58487a4d67d1/

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