SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 9, 2026
UpdatedFebruary 9, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"6c:6f:cb:d0:8c:81:30:66:4b:80:e2:28:28:43:d6:93:d8:49:f3:aa"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/6c6fcbd08c8130664b80e2282843d693d849f3aa/; sid:903208906; rev:1;)
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