SSLBL: Malicious SSL certificate detected (Vidar C&C)

SID: 903209822Rev: 1EnabledDerived2 views
Filesslblacklist_tls_cert.rules
CreatedJune 5, 2026
UpdatedJune 5, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"7c:f0:a3:e5:8c:eb:76:c0:83:9e:fd:d4:ad:f6:4d:d6:4f:a6:f6:f2"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/7cf0a3e58ceb76c0839efdd4adf64dd64fa6f6f2/; sid:903209822; rev:1;)

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