SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedJune 1, 2026
UpdatedJune 1, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"c9:77:d7:95:cf:06:f3:bd:b9:e8:8e:c4:70:0a:eb:e3:d3:bb:af:08"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c977d795cf06f3bdb9e88ec4700aebe3d3bbaf08/; sid:903209791; rev:1;)
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