Rule History

SID: 903201479 • 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:"25:1b:e2:d8:16:49:44:66:bb:6a:23:bc:3d:f9:bc:73:bd:ec:ea:b0"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/251be2d816494466bb6a23bc3df9bc73bdeceab0/; sid:903201479; 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