Rule History

SID: 903201328 • 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:"ca:5e:b0:93:0d:ac:1a:7b:b0:d2:05:8c:eb:b3:13:3b:d0:11:02:44"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/ca5eb0930dac1a7bb0d2058cebb3133bd0110244/; sid:903201328; 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