get system web proxy

rule:
  meta:
    name: get system web proxy
    namespace: communication/http
    authors:
      - michael.hunhoff@mandiant.com
    scopes:
      static: function
      dynamic: call
    att&ck:
      - Discovery::System Network Configuration Discovery [T1016]
    references:
      - https://docs.microsoft.com/en-us/dotnet/api/system.net.webrequest.getsystemwebproxy
  features:
    - and:
      - api: System.Net.WebRequest::GetSystemWebProxy