62 lines
2.1 KiB
PowerShell
62 lines
2.1 KiB
PowerShell
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# 2b V6/V7 proof target: a dedicated WinForms window we own.
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# ASCII-only source (PS 5.1 decodes BOM-less .ps1 as GBK; see personal lessons).
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#
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# Launched by text_injection_proof.ps1. Shows a topmost empty TextBox, writes
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# its current text to ResultFile (UTF-8 with BOM) on every change, exits when
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# StopFile appears. The proof injects through the remote-control pipeline and
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# polls ResultFile - so "what arrived on the controlled desktop" is reported
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# by the receiving application itself, not by a screenshot or OCR.
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param(
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[Parameter(Mandatory = $true)][string]$PidFile,
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[Parameter(Mandatory = $true)][string]$ResultFile,
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[Parameter(Mandatory = $true)][string]$StopFile
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)
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$ErrorActionPreference = "Stop"
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Add-Type -AssemblyName System.Windows.Forms
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Add-Type -AssemblyName System.Drawing
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# Event handler scriptblocks resolve script-scoped vars; make that explicit
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# instead of relying on the param locals staying on a visible scope chain.
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$script:PidFile = $PidFile
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$script:ResultFile = $ResultFile
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$script:StopFile = $StopFile
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$script:lastWritten = $null
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$form = New-Object System.Windows.Forms.Form
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$form.Text = "RemoteTextTarget"
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$form.ClientSize = New-Object System.Drawing.Size(420, 140)
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$form.TopMost = $true
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$form.StartPosition = "Manual"
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$form.Location = New-Object System.Drawing.Point(80, 80)
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$tb = New-Object System.Windows.Forms.TextBox
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$tb.Multiline = $true
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$tb.Font = New-Object System.Drawing.Font("Segoe UI", 16.0)
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$tb.Dock = "Fill"
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$form.Controls.Add($tb)
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$timer = New-Object System.Windows.Forms.Timer
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$timer.Interval = 150
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$timer.Add_Tick({
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if (Test-Path $script:StopFile) {
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$form.Close()
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return
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}
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if ($tb.Text -ne $script:lastWritten) {
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$script:lastWritten = $tb.Text
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$enc = New-Object System.Text.UTF8Encoding($true)
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[System.IO.File]::WriteAllText($script:ResultFile, $tb.Text, $enc)
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}
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if (-not $tb.Focused) { [void]$tb.Focus() }
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})
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$form.Add_Shown({
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$form.Activate()
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[void]$tb.Focus()
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[System.IO.File]::WriteAllText($script:PidFile, "$PID")
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})
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$timer.Start()
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[void]$form.ShowDialog()
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$timer.Stop()
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