Rule History

SID: 903201490 • Source: sslbl/ssl-fp-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

SSLBL: Malicious SSL certificate detected (Quakbot C&C)

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Quakbot C&C)"; tls_cert_fingerprint; content:"d1:fa:73:cc:db:4b:36:11:37:09:ad:ff:3c:8e:e8:0c:bc:f6:e2:ce"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/d1fa73ccdb4b36113709adff3c8ee80cbcf6e2ce/; sid:903201490; rev:1;)

Created:

Jun 25, 2025, 11:40 AM

Updated:

Jun 25, 2025, 11:40 AM

DB Created:

Jul 17, 2025, 2:34 PM

DB Updated:

Jul 17, 2025, 2:34 PM

Filename:

sslblacklist_tls_cert.rules