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60 lines
1.3 KiB
PowerShell
60 lines
1.3 KiB
PowerShell
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<#
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.SYNOPSIS
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Nishang script which encodes a string to base64 string.
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.DESCRIPTION
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This payload encodes the given string to base64 string and writes it to base64encoded.txt in current directory.
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.PARAMETER Str
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The string to be encoded
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.PARAMETER OutputFile
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The path of the output file. Default is "encoded.txt" in the current working directory.
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.PARAMETER IsString
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Use this to specify if you are passing a string ins place of a filepath.
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.EXAMPLE
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PS > StringToBase64 "start-process calc.exe" -IsString
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.LINK
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http://labofapenetrationtester.blogspot.com/
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https://github.com/samratashok/nishang
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#>
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function StringtoBase64
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{
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[CmdletBinding()]
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Param( [Parameter(Position = 0, Mandatory = $False)]
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[String]
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$Str,
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[Parameter(Position = 1, Mandatory = $False)]
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[String]
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$outputfile=".\base64encoded.txt",
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[Switch]
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$IsString
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)
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if($IsString -eq $true)
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{
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$utfbytes = [System.Text.Encoding]::Unicode.GetBytes($Str)
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}
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else
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{
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$utfbytes = [System.Text.Encoding]::Unicode.GetBytes((Get-Content $Str))
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}
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$base64string = [System.Convert]::ToBase64String($utfbytes)
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Out-File -InputObject $base64string -Encoding ascii -FilePath "$outputfile"
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Write-Output "Encoded data written to file $outputfile"
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}
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