Rule History

SID: 903201243 • 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:"45:e3:f9:5f:3b:01:ca:79:81:ce:44:f4:15:39:6b:5d:53:ea:2f:37"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/45e3f95f3b01ca7981ce44f415396b5d53ea2f37/; sid:903201243; 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