Rule History

SID: 903203332 • 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:"11:bb:f8:60:62:c5:46:9d:5c:3e:e8:ba:1c:b3:cd:8f:5b:8d:0e:a2"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/11bbf86062c5469d5c3ee8ba1cb3cd8f5b8d0ea2/; sid:903203332; 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