persist via TS InitialProgram registry key

rule:
  meta:
    name: persist via TS InitialProgram registry key
    namespace: persistence/registry
    authors:
      - j.j.vannielen@utwente.nl
    scopes:
      static: function
      dynamic: call
    att&ck:
      - Persistence::Event Triggered Execution [T1546]
    references:
      - https://persistence-info.github.io/Data/tsinitialprogram.html
  features:
    - and:
      - match: set registry value
      - or:
        - string: /\\Policies\\Microsoft\\Windows NT\\Terminal Services/i
        - string: /System\\(CurrentControlSet|ControlSet001)\\Control\\Terminal Server\\WinStations\\RDP-Tcp/i
      - string: /^InitialProgram$/i