Rule History

SID: 903201924 • 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:"17:87:4b:a0:64:a5:a5:a8:4d:90:93:e3:21:cd:0a:cb:da:2f:af:7c"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/17874ba064a5a5a84d9093e321cd0acbda2faf7c/; sid:903201924; 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