Rule History

SID: 903201956 • 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:"54:b0:ac:0b:bc:4d:2e:7e:af:81:fc:8e:a2:ef:c2:2d:86:ce:c6:4f"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/54b0ac0bbc4d2e7eaf81fc8ea2efc22d86cec64f/; sid:903201956; 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