Rule History

SID: 903201961 • 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:"25:c4:0c:a8:3f:45:f3:2a:bf:ad:18:ca:50:a7:ac:14:d4:b0:2a:f8"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/25c40ca83f45f32abfad18ca50a7ac14d4b02af8/; sid:903201961; 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