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

SID: 903207839Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedSeptember 15, 2025
UpdatedSeptember 15, 2025
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"f5:b1:f5:77:00:a0:b4:29:f1:63:d9:15:cc:12:e8:1e:38:48:ea:17"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f5b1f57700a0b429f163d915cc12e81e3848ea17/; sid:903207839; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/f5b1f57700a0b429f163d915cc12e81e3848ea17/

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