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

SID: 903208609Rev: 1EnabledDerived2 views
Filesslblacklist_tls_cert.rules
CreatedDecember 18, 2025
UpdatedDecember 18, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"d7:5c:a8:ff:bc:3d:d7:ef:41:95:4a:af:e7:2e:ac:42:2d:8b:5a:91"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/d75ca8ffbc3dd7ef41954aafe72eac422d8b5a91/; sid:903208609; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/d75ca8ffbc3dd7ef41954aafe72eac422d8b5a91/

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