Rule History

SID: 903203334 • 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:"dc:b0:d3:7a:8c:10:7a:0e:84:2b:e4:ed:bb:f6:1e:c2:33:29:77:f6"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/dcb0d37a8c107a0e842be4edbbf61ec2332977f6/; sid:903203334; 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