Rule History

SID: 903202001 • Source: sslbl/ssl-fp-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:"4a:26:8f:ea:4c:de:0b:bc:cb:a9:42:90:02:a1:e4:fc:63:8e:58:b8"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/4a268fea4cde0bbccba9429002a1e4fc638e58b8/; sid:903202001; 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