Rule History

SID: 903205650 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"b0:1c:26:c4:7c:b2:8d:ea:fd:2f:4e:08:0c:5b:6a:4b:29:69:d2:be"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b01c26c47cb28deafd2f4e080c5b6a4b2969d2be/; sid:903205650; 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