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

SID: 903207986Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedSeptember 15, 2025
UpdatedSeptember 15, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"b9:cf:da:db:db:aa:4f:63:14:68:23:b9:e1:eb:c0:7d:07:bd:03:56"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b9cfdadbdbaa4f63146823b9e1ebc07d07bd0356/; sid:903207986; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/b9cfdadbdbaa4f63146823b9e1ebc07d07bd0356/

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