Rule History

SID: 903201470 • 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:"b4:4b:59:4d:09:b3:82:5a:c4:4b:5f:24:33:43:c9:bf:b7:6c:fe:c7"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b44b594d09b3825ac44b5f243343c9bfb76cfec7/; sid:903201470; 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