SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)
Sourceabuse.ch/sslbl-blacklist
CreatedMarch 9, 2026
UpdatedMarch 9, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"63:51:23:46:62:46:12:17:b8:b3:17:8b:d7:77:b2:df:fe:76:6e:ad"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/6351234662461217b8b3178bd777b2dffe766ead/; sid:903209173; rev:1;)
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