SSLBL: Malicious SSL certificate detected (OffLoader C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedJanuary 7, 2026
UpdatedJanuary 7, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (OffLoader C&C)"; tls_cert_fingerprint; content:"9b:10:71:5d:d3:e3:34:2b:7e:1a:c9:fb:b6:fa:79:a4:37:c7:ef:b9"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/9b10715dd3e3342b7e1ac9fbb6fa79a437c7efb9/; sid:903208689; rev:1;)
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