Rule History

SID: 903207223 • 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:"fc:da:2b:cb:e6:d3:75:40:19:0a:5f:13:2d:22:91:4d:7e:5a:bf:1b"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/fcda2bcbe6d37540190a5f132d22914d7e5abf1b/; sid:903207223; 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