SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedMay 14, 2026
UpdatedMay 14, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"c3:b8:0e:a1:56:c6:11:48:c1:63:9d:0c:5c:2e:ed:d9:7d:1d:c9:f7"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c3b80ea156c61148c1639d0c5c2eedd97d1dc9f7/; sid:903209654; rev:1;)
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