SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedJanuary 6, 2026
UpdatedJanuary 6, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"93:0b:61:c8:30:44:e8:3d:0e:37:24:26:de:52:2e:cd:fd:ab:45:43"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/930b61c83044e83d0e372426de522ecdfdab4543/; sid:903208675; rev:1;)
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