Rule History

SID: 903205121 • 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:"f2:f1:0a:25:f4:d0:d0:54:3f:55:20:c8:c8:ba:c5:00:da:1b:1a:c1"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f2f10a25f4d0d0543f5520c8c8bac500da1b1ac1/; sid:903205121; 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