Rule History

SID: 903202108 • 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:a6:34:5f:69:10:3f:14:a9:c4:0c:bf:cf:94:80:bd:1c:7a:05:b5"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c9a6345f69103f14a9c40cbfcf9480bd1c7a05b5/; sid:903202108; 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