Versions (3)
Version DetailsCurrent
Rev: 5 • Jul 26, 2019, 12:00 PMET POLICY SSL/TLS Certificate Observed (AnyDesk Remote Desktop Software)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY SSL/TLS Certificate Observed (AnyDesk Remote Desktop Software)"; flow:established,to_client; threshold:type limit, track by_dst, count 1, seconds 600; tls.cert_subject; content:"C=DE, O=philandro Software GmbH, CN=AnyNet Relay"; endswith; fast_pattern; reference:md5,1501639af59b0ff39d41577af30367cf; reference:url,jsac.jpcert.or.jp/archive/2023/pdf/JSAC2023_1_1_yamashige-nakatani-tanaka_en.pdf; classtype:misc-activity; sid:2027761; rev:5; metadata:attack_target Client_Endpoint, created_at 2019_07_26, deployment Perimeter, malware_family AnyDesk, performance_impact Low, confidence High, signature_severity Informational, tag RemoteAccessTool, updated_at 2023_05_17;)
Jul 26, 2019, 12:00 PM
May 17, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-policy.rules