Rule History

SID: 903207277 • 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:"4b:4d:f8:4c:8b:db:cd:8b:4d:94:d0:a8:8c:25:74:c4:f0:21:de:e1"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/4b4df84c8bdbcd8b4d94d0a88c2574c4f021dee1/; sid:903207277; 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