SSLBL: Malicious SSL certificate detected (SheetRAT C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 26, 2026
UpdatedFebruary 26, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (SheetRAT C&C)"; tls_cert_fingerprint; content:"4c:50:e9:3c:6a:44:33:06:22:4c:60:f5:69:20:5a:7c:44:85:02:95"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/4c50e93c6a443306224c60f569205a7c44850295/; sid:903209059; rev:1;)
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