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

SID: 903209099Rev: 1EnabledDerived0 views
Filesslblacklist_tls_cert.rules
CreatedMarch 2, 2026
UpdatedMarch 2, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"6f:7f:36:07:d1:1d:a6:db:c7:60:02:45:f3:65:91:f5:78:27:2b:e3"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/6f7f3607d11da6dbc7600245f36591f578272be3/; sid:903209099; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/6f7f3607d11da6dbc7600245f36591f578272be3/

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