Rule History

SID: 903201366 • 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:"f4:ba:5e:19:1d:9e:31:29:02:c7:b4:9d:08:5c:b1:1f:a1:6a:96:1f"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f4ba5e191d9e312902c7b49d085cb11fa16a961f/; sid:903201366; 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