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

SID: 903209486Rev: 10 views
Sourceabuse.ch/sslbl-blacklist
CreatedApril 9, 2026
UpdatedApril 9, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"f4:c8:b1:19:47:96:33:95:a1:a1:62:4a:a0:4e:8a:71:76:93:f2:97"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f4c8b11947963395a1a1624aa04e8a717693f297/; sid:903209486; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/f4c8b11947963395a1a1624aa04e8a717693f297/

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