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

SID: 903209113Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedMarch 4, 2026
UpdatedMarch 4, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"f8:56:33:4c:bd:fb:8b:6d:59:15:80:85:28:0f:3b:83:0f:ab:2f:ba"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f856334cbdfb8b6d59158085280f3b830fab2fba/; sid:903209113; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/f856334cbdfb8b6d59158085280f3b830fab2fba/

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