Rule History

SID: 903201402 • 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:"11:a8:f9:1e:9c:ed:99:fa:01:a5:f9:f3:e7:69:ae:d3:b9:96:50:f8"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/11a8f91e9ced99fa01a5f9f3e769aed3b99650f8/; sid:903201402; 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