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

SID: 903209882Rev: 1EnabledDerived0 views
Filesslblacklist_tls_cert.rules
CreatedJune 11, 2026
UpdatedJune 11, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Vidar C&C)"; tls_cert_fingerprint; content:"a8:f5:e9:a0:21:f8:df:5a:11:74:3c:c4:ad:44:7c:cf:81:e7:c3:00"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a8f5e9a021f8df5a11743cc4ad447ccf81e7c300/; sid:903209882; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/a8f5e9a021f8df5a11743cc4ad447ccf81e7c300/

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