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:"18:e4:1b:19:70:4d:ec:83:8e:64:50:de:8c:40:39:8e:a4:db:c6:35"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/18e41b19704dec838e6450de8c40398ea4dbc635/; sid:903208838; rev:1;)
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