SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 4, 2026
UpdatedFebruary 4, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"c4:88:98:e2:88:03:f1:13:fd:cb:33:f3:c7:a3:3d:76:ff:cb:eb:67"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c48898e28803f113fdcb33f3c7a33d76ffcbeb67/; sid:903208829; rev:1;)
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