SSLBL: Malicious SSL certificate detected (OffLoader C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedMarch 27, 2026
UpdatedMarch 27, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (OffLoader C&C)"; tls_cert_fingerprint; content:"f9:c3:b7:e5:2c:81:b2:00:17:40:f7:fc:db:39:33:95:49:af:04:dc"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f9c3b7e52c81b2001740f7fcdb39339549af04dc/; sid:903209366; rev:1;)
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