Rule History

SID: 903201954 • 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:"b9:ae:e8:cc:c7:a3:f5:28:09:91:db:ef:66:28:bb:b1:af:9e:85:7a"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b9aee8ccc7a3f5280991dbef6628bbb1af9e857a/; sid:903201954; 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