SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedMarch 2, 2026
UpdatedMarch 2, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"66:7d:61:21:6e:09:56:b4:9a:9c:99:d6:ae:15:a6:46:3c:a8:e5:bf"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/667d61216e0956b49a9c99d6ae15a6463ca8e5bf/; sid:903209086; rev:1;)
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