Rule History

SID: 903205983 • 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:"b6:25:da:4a:24:d0:bd:cc:91:d8:93:38:e0:ff:f1:cc:2f:ad:bb:51"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b625da4a24d0bdcc91d89338e0fff1cc2fadbb51/; sid:903205983; 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