Rule History

SID: 903201934 • 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:"a6:cb:f1:d8:6d:bc:3c:09:48:3c:fd:3d:28:34:00:8b:05:a0:3f:d9"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a6cbf1d86dbc3c09483cfd3d2834008b05a03fd9/; sid:903201934; 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