Rule History

SID: 903200335 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Ransomware C&C)"; tls_cert_fingerprint; content:"91:6c:55:cb:a3:aa:72:bd:00:00:85:e9:52:f8:e7:f5:fa:f4:38:b3"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/916c55cba3aa72bd000085e952f8e7f5faf438b3/; sid:903200335; 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