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

SID: 903208493Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedDecember 3, 2025
UpdatedDecember 3, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"31:e9:cb:5a:ce:32:ad:ba:5c:43:bc:e2:57:a6:39:6f:9f:a0:f2:1c"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/31e9cb5ace32adba5c43bce257a6396f9fa0f21c/; sid:903208493; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/31e9cb5ace32adba5c43bce257a6396f9fa0f21c/

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