Rule History

SID: 903201488 • Source: abuse.ch/sslbl-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:"5b:03:85:98:fb:63:ca:7c:93:5f:a8:ac:7b:7a:b7:1f:de:89:bd:6b"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/5b038598fb63ca7c935fa8ac7b7ab71fde89bd6b/; sid:903201488; 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