Rule History

SID: 903203329 • 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:"6a:76:8a:c6:0b:ce:87:55:38:39:53:33:13:7a:fb:38:5f:8e:6a:10"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/6a768ac60bce875538395333137afb385f8e6a10/; sid:903203329; 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