SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)
Sourceabuse.ch/sslbl-blacklist
CreatedMarch 11, 2026
UpdatedMarch 11, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"56:ba:d0:84:f7:d6:79:df:dd:be:0f:1a:c2:25:4b:19:10:51:d3:48"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/56bad084f7d679dfddbe0f1ac2254b191051d348/; sid:903209187; rev:1;)
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