Rule History

SID: 903202369 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

SSLBL: Malicious SSL certificate detected (TrickBot C&C)

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (TrickBot C&C)"; tls_cert_fingerprint; content:"27:a5:ba:d4:21:fb:64:b9:06:ba:07:9b:ad:dd:0e:5c:6e:b7:93:6f"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/27a5bad421fb64b906ba079baddd0e5c6eb7936f/; sid:903202369; 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