SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 12, 2026
UpdatedFebruary 12, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"a5:ed:91:49:80:8f:93:88:9c:8c:68:e5:50:82:d3:9c:f2:4a:e8:d7"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a5ed9149808f93889c8c68e55082d39cf24ae8d7/; sid:903208914; rev:1;)
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