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

SID: 903209948Rev: 1EnabledDerived1 views
Filesslblacklist_tls_cert.rules
CreatedJune 17, 2026
UpdatedJune 17, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"27:e3:cb:5b:00:43:88:4c:7e:bc:06:91:e2:e7:3e:f3:b9:53:39:ac"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/27e3cb5b0043884c7ebc0691e2e73ef3b95339ac/; sid:903209948; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/27e3cb5b0043884c7ebc0691e2e73ef3b95339ac/

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