SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedMarch 16, 2026
UpdatedMarch 16, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"6c:30:90:39:7f:5d:96:a0:c3:cd:f0:e6:4e:69:49:c4:e4:88:40:5d"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/6c3090397f5d96a0c3cdf0e64e6949c4e488405d/; sid:903209231; rev:1;)
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