SSLBL: Malicious SSL certificate detected (Vidar C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 23, 2026
UpdatedFebruary 23, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"2f:e1:7e:f9:82:c9:dc:be:cd:93:ba:a4:c7:7d:f1:bf:7c:8d:19:b0"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/2fe17ef982c9dcbecd93baa4c77df1bf7c8d19b0/; sid:903208965; rev:1;)
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