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

SID: 903204075Rev: 1EnabledDerived2 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:"0d:43:48:c0:a5:f3:82:5a:13:50:f8:ef:86:e0:e8:5e:91:a1:8d:91"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/0d4348c0a5f3825a1350f8ef86e0e85e91a18d91/; sid:903204075; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/0d4348c0a5f3825a1350f8ef86e0e85e91a18d91/

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