Rule History

SID: 903202898 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

SSLBL: Malicious SSL certificate detected (Ostap C&C)

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Ostap C&C)"; tls_cert_fingerprint; content:"de:98:64:31:ff:37:f7:dc:bd:7c:70:13:aa:47:be:d4:f2:14:83:c3"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/de986431ff37f7dcbd7c7013aa47bed4f21483c3/; sid:903202898; 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