Rule History

SID: 903201413 • 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:"21:07:c1:e3:60:90:a5:46:ee:56:c4:d1:a8:42:e5:e9:c6:0c:e2:21"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/2107c1e36090a546ee56c4d1a842e5e9c60ce221/; sid:903201413; 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