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

SID: 903209607Rev: 1EnabledDerived0 views
Filesslblacklist_tls_cert.rules
CreatedMay 2, 2026
UpdatedMay 2, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"a4:1f:30:65:95:5b:7a:42:89:85:48:3c:22:17:6f:e4:e5:37:76:ce"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a41f3065955b7a428985483c22176fe4e53776ce/; sid:903209607; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/a41f3065955b7a428985483c22176fe4e53776ce/

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