Rule History

SID: 903202297 • 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:"3c:f1:90:53:ae:2a:f4:c1:c3:87:45:d8:42:33:ea:f9:65:d9:31:87"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/3cf19053ae2af4c1c38745d84233eaf965d93187/; sid:903202297; 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