Rule History

SID: 903201305 • 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:"c1:ce:35:ab:00:51:71:c2:46:ed:ed:e1:d3:d0:6a:1b:e0:25:4e:e1"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c1ce35ab005171c246edede1d3d06a1be0254ee1/; sid:903201305; 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