Rule History

SID: 903205778 • 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:"f8:51:6d:89:a1:df:d7:8b:d8:ff:57:5b:bc:3a:e8:28:b4:7f:f0:e1"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f8516d89a1dfd78bd8ff575bbc3ae828b47ff0e1/; sid:903205778; 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