Rule History

SID: 903201146 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Quakbot C&C)"; tls_cert_fingerprint; content:"28:b5:11:d0:9f:7a:0f:65:4d:22:0b:9b:04:9f:92:ab:3b:b5:13:fa"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/28b511d09f7a0f654d220b9b049f92ab3bb513fa/; sid:903201146; 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