Rule History

SID: 903201842 • 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:"1e:91:be:5b:b2:22:34:bd:19:ce:a3:d2:ec:8b:7f:f1:c1:9c:be:37"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/1e91be5bb22234bd19cea3d2ec8b7ff1c19cbe37/; sid:903201842; 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