Rule History

SID: 903205656 • 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:"49:bf:5a:48:97:0d:91:4c:7e:70:f4:94:a8:e1:6b:5e:fa:3a:b6:a0"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/49bf5a48970d914c7e70f494a8e16b5efa3ab6a0/; sid:903205656; 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