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

SID: 903208818Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 4, 2026
UpdatedFebruary 4, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"bc:3c:a9:fd:7f:da:b7:63:5c:89:7a:a5:b6:1d:0d:e4:c4:71:d1:b9"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/bc3ca9fd7fdab7635c897aa5b61d0de4c471d1b9/; sid:903208818; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/bc3ca9fd7fdab7635c897aa5b61d0de4c471d1b9/

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