Rule History

SID: 903205358 • 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:"f4:87:94:cf:89:8b:b4:c5:b6:22:3d:4f:47:2d:7c:5e:4a:d2:ef:9d"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f48794cf898bb4c5b6223d4f472d7c5e4ad2ef9d/; sid:903205358; 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