SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourceabuse.ch/sslbl-blacklist
CreatedMay 15, 2026
UpdatedMay 15, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"d4:01:a5:c7:21:a2:5d:d9:4d:6e:b0:22:84:f5:e7:b9:18:c2:b5:df"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/d401a5c721a25dd94d6eb02284f5e7b918c2b5df/; sid:903209658; rev:1;)
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