Rule History

SID: 903206928 • 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:"18:d5:c5:9b:c3:8a:c7:5a:6f:66:4b:f4:cb:fb:fe:cd:aa:6d:65:44"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/18d5c59bc38ac75a6f664bf4cbfbfecdaa6d6544/; sid:903206928; 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