Rule History

SID: 903204946 • 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:"2d:87:43:d8:e6:2c:4f:68:d5:c4:86:a0:03:12:20:d0:bc:ca:3e:11"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/2d8743d8e62c4f68d5c486a0031220d0bcca3e11/; sid:903204946; 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