Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Winlock/Torrentlocker SSL Cert"; flow:established,to_client; tls.cert_serial; content:"00:D3:1B:A5:8F:1D:D7:30:48"; fast_pattern; tls.cert_subject; content:"C=XX"; content:"L=Default City"; reference:md5,eeda4fa2b6f054acfce0dbc25493c366; reference:url,www.csis.dk/da/csis/news/4726/; classtype:trojan-activity; sid:2021869; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_09_30, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_23;)