Rule History

SID: 903205065 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"14:ef:a1:0c:23:4b:5c:6d:bb:fb:25:20:e1:44:f9:15:08:ba:4b:7c"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/14efa10c234b5c6dbbfb2520e144f91508ba4b7c/; sid:903205065; 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