Rule History

SID: 903201906 • Source: sslbl/ssl-fp-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:"f4:b1:7c:b0:f1:6e:e8:7d:af:9d:0f:f5:d8:1f:c7:b8:f0:ec:6c:c2"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f4b17cb0f16ee87daf9d0ff5d81fc7b8f0ec6cc2/; sid:903201906; 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