Rule History

SID: 903204428 • 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:"9c:e6:b5:cb:ef:1b:5a:5d:25:c7:ac:04:a9:cb:b4:9e:86:74:ff:d0"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/9ce6b5cbef1b5a5d25c7ac04a9cbb49e8674ffd0/; sid:903204428; 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