Rule History

SID: 903204913 • 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:"65:0e:d8:97:35:f4:1f:23:da:ab:bc:10:63:60:f6:8b:87:4b:6d:f8"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/650ed89735f41f23daabbc106360f68b874b6df8/; sid:903204913; 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