Rule History

SID: 903201833 • 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:"5a:4e:01:e0:ce:a5:83:94:c6:4b:ce:65:a7:e3:ef:28:53:14:65:d1"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/5a4e01e0cea58394c64bce65a7e3ef28531465d1/; sid:903201833; 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