Rule History

SID: 903205646 • 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:"a1:f8:67:22:46:a5:5d:fa:fa:31:7b:fd:c5:f1:4c:91:a5:b3:44:b9"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a1f8672246a55dfafa317bfdc5f14c91a5b344b9/; sid:903205646; 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