SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 4, 2026
UpdatedFebruary 4, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"61:71:d1:06:23:d6:85:0c:80:48:fe:f1:7a:4e:0f:8d:64:62:b3:e7"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/6171d10623d6850c8048fef17a4e0f8d6462b3e7/; sid:903208840; rev:1;)
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