Rule History

SID: 903204075 • 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:"0d:43:48:c0:a5:f3:82:5a:13:50:f8:ef:86:e0:e8:5e:91:a1:8d:91"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/0d4348c0a5f3825a1350f8ef86e0e85e91a18d91/; sid:903204075; 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