Rule History

SID: 903201503 • 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:"b1:d5:1e:8c:09:5d:01:ef:20:c7:6b:7f:4c:a7:68:43:1e:a0:46:28"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b1d51e8c095d01ef20c76b7f4ca768431ea04628/; sid:903201503; 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