Rule History

SID: 903205959 • 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:"b4:5f:61:02:f4:4c:eb:c6:9b:79:0b:a6:4c:fc:d6:c9:f8:e0:3c:e3"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b45f6102f44cebc69b790ba64cfcd6c9f8e03ce3/; sid:903205959; 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