Rule History

SID: 903206015 • Source: abuse.ch/sslbl-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:"4c:d7:e5:dd:87:ff:ef:73:a0:8f:08:4e:88:7e:8f:13:63:21:f5:d7"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/4cd7e5dd87ffef73a08f084e887e8f136321f5d7/; sid:903206015; 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