Rule History

SID: 903202719 • 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:"87:5a:1c:f4:a0:d5:d6:4b:87:dd:47:36:c8:ec:b4:a2:d4:01:d1:3e"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/875a1cf4a0d5d64b87dd4736c8ecb4a2d401d13e/; sid:903202719; 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