Rule History

SID: 903201476 • 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:"3b:4e:f6:5e:f0:b5:af:89:ec:98:53:ae:ad:53:05:1f:6d:ff:5c:0a"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/3b4ef65ef0b5af89ec9853aead53051f6dff5c0a/; sid:903201476; 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