Rule History

SID: 903204109 • 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:"c0:cd:4f:71:a9:c1:92:0a:a4:d2:d0:71:1f:d5:55:be:1e:1b:de:8c"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c0cd4f71a9c1920aa4d2d0711fd555be1e1bde8c/; sid:903204109; 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