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

SID: 903209012Rev: 10 views
Sourceabuse.ch/sslbl-blacklist
CreatedFebruary 23, 2026
UpdatedFebruary 23, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"56:dd:33:cf:ae:66:68:5b:b9:cf:7f:92:3d:6e:67:52:ff:79:17:05"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/56dd33cfae66685bb9cf7f923d6e6752ff791705/; sid:903209012; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/56dd33cfae66685bb9cf7f923d6e6752ff791705/

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