Rule History

SID: 903206090 • 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:"4a:88:3d:3f:c8:f2:69:32:4a:cd:cf:0e:4b:7f:fe:ca:04:2c:d4:7d"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/4a883d3fc8f269324acdcf0e4b7ffeca042cd47d/; sid:903206090; 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