Rule History

SID: 903204327 • 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:"2b:9b:0d:f9:03:71:bc:7a:0c:91:92:33:bf:72:4b:2a:6b:82:ae:ae"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/2b9b0df90371bc7a0c919233bf724b2a6b82aeae/; sid:903204327; 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