Rule History

SID: 903201409 • 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:"c0:9d:8b:14:f1:92:fc:4e:c9:1c:e9:4a:ff:7c:1d:52:f8:1f:a5:55"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c09d8b14f192fc4ec91ce94aff7c1d52f81fa555/; sid:903201409; 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