Rule History

SID: 903201039 • 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:"f6:ad:cf:0d:68:26:5b:5f:f0:27:ca:f5:2c:eb:ab:00:a6:64:b7:e5"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f6adcf0d68265b5ff027caf52cebab00a664b7e5/; sid:903201039; 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