Rule History

SID: 903204192 • 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:"30:fe:2b:51:ec:25:d0:d0:d5:5d:c8:d5:ca:e0:e7:99:ec:11:de:0c"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/30fe2b51ec25d0d0d55dc8d5cae0e799ec11de0c/; sid:903204192; 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