Rule History

SID: 903206819 • 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:"a6:5d:ff:cb:27:b5:a3:1f:d1:01:05:6a:d9:f0:7f:a1:c2:78:05:1d"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a65dffcb27b5a31fd101056ad9f07fa1c278051d/; sid:903206819; 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