Rule History

SID: 903201950 • 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:"ca:a4:74:67:05:d7:82:3a:39:b0:ff:a7:07:ee:6d:ec:2a:f4:d3:d5"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/caa4746705d7823a39b0ffa707ee6dec2af4d3d5/; sid:903201950; 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