Rule History

SID: 903204069 • 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:"53:95:12:b4:5a:6b:0e:13:c5:73:3e:3e:f5:0a:d7:ab:66:95:e1:bf"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/539512b45a6b0e13c5733e3ef50ad7ab6695e1bf/; sid:903204069; 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