Rule History

SID: 903204275 • 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:"7b:b4:16:b0:a0:d5:ac:87:f5:d3:bc:05:fd:23:c4:36:1b:14:29:7d"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/7bb416b0a0d5ac87f5d3bc05fd23c4361b14297d/; sid:903204275; 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