Rule History

SID: 903201532 • 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:"f2:3f:07:fb:0d:e5:72:9e:79:b2:9b:4c:20:5d:39:2b:45:dc:98:a9"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f23f07fb0de5729e79b29b4c205d392b45dc98a9/; sid:903201532; 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