alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Residential Proxy Service Domain (broxy .one) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".broxy.one"; endswith; fast_pattern; reference:url,www.humansecurity.com/learn/blog/satori-threat-intelligence-alert-proxylib-and-lumiapps-transform-mobile-devices-into-proxy-nodes; classtype:bad-unknown; sid:2051801; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2024_03_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Residential_Proxy_Service, updated_at 2024_03_26, reviewed_at 2024_10_03;)