Versions (4)
Version DetailsCurrent
Rev: 4 • Apr 9, 2015, 12:00 PMET MALWARE Possible Dridex downloader SSL Certificate srv1.mainsftdomain.com
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Dridex downloader SSL Certificate srv1.mainsftdomain.com"; flow:established,to_client; tls.cert_subject; content:"CN=srv1.mainsftdomain.com"; tls.cert_issuer; content:"CN=srv1.mainsftdomain.com"; classtype:trojan-activity; sid:2020866; rev:4; metadata:attack_target Client_Endpoint, created_at 2015_04_09, deployment Perimeter, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_23;)
Apr 9, 2015, 12:00 PM
Apr 23, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules