Rule History

SID: 903207091 • Source: sslbl/ssl-fp-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:"7c:95:45:fa:58:4e:12:3e:0b:d9:bd:55:b2:aa:5b:99:6b:fb:a3:56"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/7c9545fa584e123e0bd9bd55b2aa5b996bfba356/; sid:903207091; 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