Rule History

SID: 903201418 • 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:"b8:b9:20:9d:ad:7e:b5:9d:bf:9a:b6:c2:2a:77:b6:20:07:c6:8a:c5"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b8b9209dad7eb59dbf9ab6c22a77b62007c68ac5/; sid:903201418; 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