823e80fa32
The logic used to read the file contents sometimes would leave lines behind unread. It now defaults to reading all lines and counts each line it has actually read.
94 lines
2.7 KiB
Plaintext
94 lines
2.7 KiB
Plaintext
$command = "<%= options[:command] %>"
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$user = '<%= options[:username] %>'
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$password = '<%= options[:password] %>'
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$task_name = "WinRM_Elevated_Shell"
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$out_file = "$env:SystemRoot\Temp\WinRM_Elevated_Shell.log"
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if (Test-Path $out_file) {
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del $out_file
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}
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$task_xml = @'
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<?xml version="1.0" encoding="UTF-16"?>
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<Task version="1.2" xmlns="http://schemas.microsoft.com/windows/2004/02/mit/task">
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<Principals>
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<Principal id="Author">
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<UserId>{user}</UserId>
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<LogonType>Password</LogonType>
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<RunLevel>HighestAvailable</RunLevel>
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</Principal>
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</Principals>
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<Settings>
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<MultipleInstancesPolicy>IgnoreNew</MultipleInstancesPolicy>
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<DisallowStartIfOnBatteries>false</DisallowStartIfOnBatteries>
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<StopIfGoingOnBatteries>false</StopIfGoingOnBatteries>
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<AllowHardTerminate>true</AllowHardTerminate>
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<StartWhenAvailable>false</StartWhenAvailable>
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<RunOnlyIfNetworkAvailable>false</RunOnlyIfNetworkAvailable>
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<IdleSettings>
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<StopOnIdleEnd>true</StopOnIdleEnd>
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<RestartOnIdle>false</RestartOnIdle>
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</IdleSettings>
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<AllowStartOnDemand>true</AllowStartOnDemand>
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<Enabled>true</Enabled>
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<Hidden>false</Hidden>
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<RunOnlyIfIdle>false</RunOnlyIfIdle>
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<WakeToRun>false</WakeToRun>
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<ExecutionTimeLimit>PT2H</ExecutionTimeLimit>
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<Priority>4</Priority>
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</Settings>
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<Actions Context="Author">
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<Exec>
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<Command>cmd</Command>
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<Arguments>{arguments}</Arguments>
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</Exec>
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</Actions>
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</Task>
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'@
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$bytes = [System.Text.Encoding]::Unicode.GetBytes($command)
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$encoded_command = [Convert]::ToBase64String($bytes)
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$arguments = "/c powershell.exe -EncodedCommand $encoded_command > $out_file 2>&1"
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$task_xml = $task_xml.Replace("{arguments}", $arguments)
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$task_xml = $task_xml.Replace("{user}", $user)
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$schedule = New-Object -ComObject "Schedule.Service"
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$schedule.Connect()
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$task = $schedule.NewTask($null)
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$task.XmlText = $task_xml
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$folder = $schedule.GetFolder("\")
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$folder.RegisterTaskDefinition($task_name, $task, 6, $user, $password, 1, $null) | Out-Null
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$registered_task = $folder.GetTask("\$task_name")
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$registered_task.Run($null) | Out-Null
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$timeout = 10
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$sec = 0
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while ( (!($registered_task.state -eq 4)) -and ($sec -lt $timeout) ) {
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Start-Sleep -s 1
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$sec++
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}
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function SlurpOutput($out_file, $cur_line) {
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if (Test-Path $out_file) {
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get-content $out_file | select -skip $cur_line | ForEach {
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$cur_line += 1
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Write-Host "$_"
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}
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}
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return $cur_line
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}
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$cur_line = 0
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do {
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Start-Sleep -m 100
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$cur_line = SlurpOutput $out_file $cur_line
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} while (!($registered_task.state -eq 3))
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$exit_code = $registered_task.LastTaskResult
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[System.Runtime.Interopservices.Marshal]::ReleaseComObject($schedule) | Out-Null
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exit $exit_code
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