Rule History

SID: 903204954 • Source: sslbl/ssl-fp-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"a4:5b:25:48:a5:6c:44:68:7f:b8:7f:2d:fa:4b:7e:23:e2:15:a5:fa"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a45b2548a56c44687fb87f2dfa4b7e23e215a5fa/; sid:903204954; 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