Rule History

SID: 903201438 • 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:"b2:ab:ff:c7:53:d5:55:76:e1:9f:22:37:80:7e:69:1e:2a:ba:f3:af"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b2abffc753d55576e19f2237807e691e2abaf3af/; sid:903201438; 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