Rule History

SID: 903205460 • 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:"ef:fc:70:8c:69:5f:dd:28:da:3e:43:1c:9c:4d:0b:7d:26:6b:f7:c8"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/effc708c695fdd28da3e431c9c4d0b7d266bf7c8/; sid:903205460; 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