Rule History

SID: 903206545 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (ConnectWise C&C)"; tls_cert_fingerprint; content:"a4:c9:50:68:98:d3:85:4e:ba:3b:da:0d:14:08:d4:0c:5d:6f:fe:e3"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a4c9506898d3854eba3bda0d1408d40c5d6ffee3/; sid:903206545; 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