Rule History

SID: 903201534 • 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:"b0:9b:ca:1e:01:bf:3b:f5:5b:b4:54:71:f8:35:d2:bb:8b:8d:ad:f9"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b09bca1e01bf3bf55bb45471f835d2bb8b8dadf9/; sid:903201534; 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