Rule History

SID: 903205838 • 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:"9f:5e:83:cf:4e:ad:1b:51:e3:4a:8d:5f:82:e4:92:88:1a:b9:ff:3b"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/9f5e83cf4ead1b51e34a8d5f82e492881ab9ff3b/; sid:903205838; 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