Rule History

SID: 903201451 • 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:"c9:d8:13:17:9c:e2:af:bc:ff:6f:73:48:87:c4:ff:6b:e0:33:5e:0a"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c9d813179ce2afbcff6f734887c4ff6be0335e0a/; sid:903201451; 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