Rule History

SID: 903205539 • Source: sslbl/ssl-fp-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:"b6:d8:5d:96:31:3e:99:a2:8b:c1:e8:ef:b8:17:ac:6f:e3:8c:bb:98"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b6d85d96313e99a28bc1e8efb817ac6fe38cbb98/; sid:903205539; 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