Back to Rule

Rule History

SID: 903201465 • Source: sslbl/ssl-fp-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1Jun 25, 2025, 11:40 AM

SSLBL: Malicious SSL certificate detected (Quakbot C&C)

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Quakbot C&C)"; tls_cert_fingerprint; content:"66:a1:a0:37:e8:29:68:05:1b:63:ec:f0:22:1f:e6:42:c8:23:10:29"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/66a1a037e82968051b63ecf0221fe642c8231029/; sid:903201465; rev:1;)

Jun 25, 2025, 11:40 AM

Jun 25, 2025, 11:40 AM

Jul 17, 2025, 2:34 PM

Jul 17, 2025, 2:34 PM

sslblacklist_tls_cert.rules