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:"8c:03:1b:7f:ae:18:91:dc:3f:77:c6:f6:1e:0b:86:4d:b4:78:89:33"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/8c031b7fae1891dc3f77c6f61e0b864db4788933/; sid:903208864; rev:1;)
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