Back to Rule

Rule History

SID: 903204825 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1Jun 25, 2025, 11:40 AM

SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"30:a0:7b:c8:be:b3:37:56:5a:30:c4:c9:37:59:53:a9:09:6a:21:6b"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/30a07bc8beb337565a30c4c9375953a9096a216b/; sid:903204825; rev:1;)

Jun 25, 2025, 11:40 AM

Jun 25, 2025, 11:40 AM

Jul 17, 2025, 2:34 PM

Jul 17, 2025, 2:34 PM

sslblacklist_tls_cert.rules