Rule History

SID: 903201936 • 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:"ad:72:3f:df:00:4b:0c:35:f3:cc:37:a8:b0:5b:ee:79:c1:24:ab:54"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/ad723fdf004b0c35f3cc37a8b05bee79c124ab54/; sid:903201936; 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