mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-27 13:44:11 +08:00
50 lines
2.2 KiB
C++
50 lines
2.2 KiB
C++
#include "livecaptions.h"
|
|
|
|
bool livecaptions::attach_function()
|
|
{
|
|
|
|
// .text:0000000180001C98 push rbx
|
|
// .text:0000000180001C9A sub rsp, 20h
|
|
// .text:0000000180001C9E mov rbx, rcx
|
|
// .text:0000000180001CA1 call memmove_0
|
|
// .text:0000000180001CA6 mov rax, rbx
|
|
// .text:0000000180001CA9 add rsp, 20h
|
|
// .text:0000000180001CAD pop rbx
|
|
// .text:0000000180001CAE retn
|
|
HookParam hp;
|
|
hp.address = (uintptr_t)GetProcAddress(GetModuleHandle(L"vcruntime140_app.dll"), "memmove");
|
|
hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
|
|
{
|
|
BYTE sig[] = {
|
|
0x40, 0x53, 0x48, 0x83, 0xEC, 0x20, 0x48, 0x8B, 0xD9,
|
|
0xE8, XX4};
|
|
auto a1 = stack->retaddr - sizeof(sig);
|
|
if ((stack->retaddr > (uintptr_t)GetModuleHandle(L"Microsoft.CognitiveServices.Speech.extension.embedded.sr.dll")))
|
|
if (memcmp((void *)a1, &sig, sizeof(sig) - 4) == 0)
|
|
{
|
|
static std::set<uintptr_t> once;
|
|
if (once.find(stack->retaddr) != once.end())
|
|
return;
|
|
once.insert(stack->retaddr);
|
|
// hp->text_fun=nullptr;
|
|
// hp->type=HOOK_EMPTY;
|
|
|
|
HookParam hpinternal;
|
|
hpinternal.address = a1; // 0xE551+(uintptr_t)GetModuleHandle(L"Microsoft.CognitiveServices.Speech.extension.embedded.sr.dll");
|
|
hpinternal.type = USING_STRING | CODEC_UTF8 | FULL_STRING;
|
|
hpinternal.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
|
|
{
|
|
auto ptr = stack->rdx;
|
|
auto size = stack->r8;
|
|
if (size == strnlen((char *)ptr, TEXT_BUFFER_SIZE)) // 否则有短acsii
|
|
{
|
|
*data = ptr;
|
|
*len = size;
|
|
}
|
|
};
|
|
NewHook(hpinternal, "std::_Char_traits<char,int>::copy(void *, const void *, size_t)");
|
|
}
|
|
};
|
|
|
|
return NewHook(hp, "vcruntime140_app:memmove");
|
|
} |