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

SID: 903204071Rev: 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:"cd:92:7a:05:cf:cb:7b:e3:27:52:eb:c0:22:b6:6e:67:b7:da:69:df"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/cd927a05cfcb7be32752ebc022b66e67b7da69df/; sid:903204071; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/cd927a05cfcb7be32752ebc022b66e67b7da69df/

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