Rule History

SID: 903204975 • 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:"41:c3:cf:52:ef:ca:98:1f:2a:2c:4b:11:ee:aa:de:ca:b1:e2:dc:49"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/41c3cf52efca981f2a2c4b11eeaadecab1e2dc49/; sid:903204975; 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