Rule History

SID: 903202897 • Source: sslbl/ssl-fp-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:"bb:56:e3:d9:b3:70:cf:f3:37:69:c1:18:12:e1:0f:e0:94:b3:18:00"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/bb56e3d9b370cff33769c11812e10fe094b31800/; sid:903202897; 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