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Power Shell

  • Object Based, Scripting Language for Windows..
  • Open Source and cross platfrom with PS Pro
  • Based on .NET and Specially Designed for Windows Admins etc..

Execution Policies

Section titled “Execution Policies”
  • security features.. controls how config files loads
  • Execution policies for the current user stored in Registry…
  • Policies are specific session and destroyed after it.. → stored in Memory..
  • it is NOT a security Guard → means we can easily bypass security policies..
    • But they define basic rules on How

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Terminal window
PS C:\Users\PavanKumarBandaru> Set-ExecutionPolicy -ExecutionPolicy bypass -Scope LocalMachine
PS C:\Users\PavanKumarBandaru> Get-ExecutionPolicy -List


        Scope ExecutionPolicy
        ----- ---------------
MachinePolicy       Undefined
   UserPolicy       Undefined
      Process       Undefined
  CurrentUser       Undefined
 LocalMachine          Bypass


PS C:\Users\PavanKumarBandaru> Get-ExecutionPolicy
Bypass
PS C:\Users\PavanKumarBandaru> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope LocalMachine
PS C:\Users\PavanKumarBandaru> Get-ExecutionPolicy -List


        Scope ExecutionPolicy
        ----- ---------------
MachinePolicy       Undefined
   UserPolicy       Undefined
      Process       Undefined
  CurrentUser       Undefined
 LocalMachine    RemoteSigned
Terminal window
PS C:\WINDOWS\system32> Get-Process "brave"


Handles  NPM(K)    PM(K)      WS(K)     CPU(s)     Id  SI ProcessName
-------  ------    -----      -----     ------     --  -- -----------
    359      26    36460      91132       0.69   5328   1 brave
    280      20    15292      30220      17.30   5356   1 brave
    419      26    27140      58348      49.59   9840   1 brave
    202      13     7056      14140       0.17  10184   1 brave
   1751      79   140376     269484     363.34  10248   1 brave
    755      60   443244     395480     789.22  11540   1 brave
    220      17    14372      26396       1.28  13332   1 brave
    408      45   291156     368728     104.23  15440   1 brave
    242      21    20168      39852       0.30  17080   1 brave
    358      39   191792     255484     150.50  19724   1 brave
    560      32    58536      54256       1.52  20180   1 brave
    429      31    76432     143008       3.67  26912   1 brave

Bypassing Script Privilages..

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Commands

Variables & Arrays & Hash Table/Dict.

Properties & Methods

Class and Objects

Strings

Conditionals, Operators & Regex

Pipelines

Providers

Data Files [CSV, XML, JSON, YAML]

WMI & CIM

Functions