Versions (3)
Version DetailsCurrent
Rev: 3 • May 24, 2019, 12:00 PMET MALWARE SSL/TLS Certificate Observed (Quasar Related)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE SSL/TLS Certificate Observed (Quasar Related)"; flow:established,to_client; tls.cert_subject; content:"CN=MSGQ Server CA"; reference:url,blog.ensilo.com/uncovering-new-activity-by-apt10; classtype:trojan-activity; sid:2027381; rev:3; metadata:attack_target Client_Endpoint, created_at 2019_05_24, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_08_31;)
May 24, 2019, 12:00 PM
Aug 31, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules