SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedMarch 31, 2026
UpdatedMarch 31, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"68:39:4a:23:5c:2f:ec:3f:89:35:21:9e:2f:5a:de:d5:d9:db:da:04"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/68394a235c2fec3f8935219e2f5aded5d9dbda04/; sid:903209403; rev:1;)
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