Rule History

SID: 903203610 • 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:6b:d2:c9:4e:f8:05:fe:e0:d6:a6:f4:17:e6:b8:8b:92:bb:10:12"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/7b6bd2c94ef805fee0d6a6f417e6b88b92bb1012/; sid:903203610; 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