Rule History

SID: 903201610 • 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:"27:bb:8d:2c:44:6d:fc:fe:e4:65:40:79:ef:8f:00:b0:af:db:c3:33"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/27bb8d2c446dfcfee4654079ef8f00b0afdbc333/; sid:903201610; 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