Rule History

SID: 903206311 • 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:"b4:a0:a2:ef:be:8c:22:e1:16:b4:b6:dc:cd:6b:4c:c8:db:5c:b9:c6"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/b4a0a2efbe8c22e116b4b6dccd6b4cc8db5cb9c6/; sid:903206311; 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