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

SID: 903208504Rev: 1EnabledDerived3 views
Filesslblacklist_tls_cert.rules
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:"5d:5c:32:a9:bf:92:da:1d:16:d0:55:8e:d2:ed:9f:19:c8:21:c8:a9"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/5d5c32a9bf92da1d16d0558ed2ed9f19c821c8a9/; sid:903208504; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/5d5c32a9bf92da1d16d0558ed2ed9f19c821c8a9/

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