Rule History

SID: 903205672 • 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:"4e:f1:54:7b:5d:b5:05:8d:cc:eb:6a:60:d4:8a:54:c3:50:26:d8:d5"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/4ef1547b5db5058dcceb6a60d48a54c35026d8d5/; sid:903205672; 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