#include
size_t GetSize(char * szFilePath)
{
size_t size;
FILE* f = fopen(szFilePath, "rb");
fseek(f, 0, SEEK_END);
size = ftell(f);
rewind(f);
fclose(f);
return size;
}
unsigned char* ReadBinaryFile(char *szFilePath, size_t *size)
{
unsigned char *p = NULL;
FILE* f = NULL;
size_t res = 0;
*size = GetSize(szFilePath);
if (*size == 0) return NULL;
f = fopen(szFilePath, "rb");
if (f == NULL)
{
printf("Binary file does not exists!\n");
return 0;
}
p = new unsigned char[*size];
rewind(f);
res = fread(p, sizeof(unsigned char), *size, f);
fclose(f);
if (res == 0)
{
delete[] p;
return NULL;
}
return p;
}
int main(int argc, char* argv[])
{
char *szFilePath="c:\\test\\shellcode.bin";
unsigned char *BinData = NULL;
size_t size = 0;
BinData = ReadBinaryFile(szFilePath, &size);
void *sc = VirtualAlloc(0, size, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if (sc == NULL)
return 0;
memcpy(sc, BinData, size);
(*(int(*)()) sc)();
return 0;
}