Rule History

SID: 903203586 • Source: abuse.ch/sslbl-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:"9f:cc:5c:1e:8e:c3:2f:56:e9:75:ba:43:c9:23:db:fa:16:a8:f9:46"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/9fcc5c1e8ec32f56e975ba43c923dbfa16a8f946/; sid:903203586; 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