SSLBL: Malicious SSL certificate detected (OffLoader C&C)
Sourceabuse.ch/sslbl-blacklist
Filesslblacklist_tls_cert.rules
CreatedOctober 18, 2026
UpdatedOctober 21, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (OffLoader C&C)" ; tls_cert_fingerprint; content:"56:5a:d0:3c:4f:04:a6:85:db:08:19:54:cc:9e:5b:1b:21:08:49:e9" ; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/565ad03c4f04a685db081954cc9e5b1b210849e9/ ; sid:903210931; rev:1;)
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