Rule History

SID: 903201213 • 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:"90:4b:f7:87:4a:d3:93:0f:e5:74:73:d0:0c:e8:53:8b:4a:4f:31:a8"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/904bf7874ad3930fe57473d00ce8538b4a4f31a8/; sid:903201213; 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