Rule History

SID: 903201404 • 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:"12:b5:fc:f9:1f:d8:b5:c8:9a:74:b7:b6:91:ac:90:a3:66:fe:5a:ca"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/12b5fcf91fd8b5c89a74b7b691ac90a366fe5aca/; sid:903201404; 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