Rule History

SID: 903205597 • 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:"b9:0d:9a:43:f7:c3:bf:3b:ba:75:40:34:10:e5:71:b5:f8:0b:a7:e1"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b90d9a43f7c3bf3bba75403410e571b5f80ba7e1/; sid:903205597; 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