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

SID: 903208744Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedJanuary 15, 2026
UpdatedJanuary 15, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"58:8b:fb:31:0a:84:e9:09:0c:ac:64:55:98:64:fb:3e:c9:2f:c7:06"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/588bfb310a84e9090cac64559864fb3ec92fc706/; sid:903208744; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/588bfb310a84e9090cac64559864fb3ec92fc706/

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