mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-10-22 23:18:16 +08:00
49 lines
2.1 KiB
C++
49 lines
2.1 KiB
C++
#include "livecaptions.h"
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bool livecaptions::attach_function()
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{
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// .text:0000000180001C98 push rbx
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// .text:0000000180001C9A sub rsp, 20h
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// .text:0000000180001C9E mov rbx, rcx
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// .text:0000000180001CA1 call memmove_0
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// .text:0000000180001CA6 mov rax, rbx
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// .text:0000000180001CA9 add rsp, 20h
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// .text:0000000180001CAD pop rbx
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// .text:0000000180001CAE retn
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HookParam hp;
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hp.address=(uintptr_t)GetProcAddress(GetModuleHandle(L"vcruntime140_app.dll"),"memmove");
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hp.text_fun=[](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len){
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BYTE sig[]={
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0x40,0x53,0x48,0x83,0xEC,0x20,0x48,0x8B,0xD9,
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0xE8,XX4
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};
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auto a1=stack->retaddr-sizeof(sig);
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if((stack->retaddr>(uintptr_t)GetModuleHandle(L"Microsoft.CognitiveServices.Speech.extension.embedded.sr.dll")))
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if(memcmp((void*)a1,&sig,sizeof(sig)-4)==0){
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static std::set<uintptr_t>once;
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if(once.find(stack->retaddr)!=once.end())return;
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once.insert(stack->retaddr);
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// hp->text_fun=nullptr;
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// hp->type=HOOK_EMPTY;
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HookParam hpinternal;
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hpinternal.address =a1;// 0xE551+(uintptr_t)GetModuleHandle(L"Microsoft.CognitiveServices.Speech.extension.embedded.sr.dll");
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hpinternal.type = USING_STRING | CODEC_UTF8|FULL_STRING;
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hpinternal.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
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{
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auto ptr = stack->rdx;
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auto size = stack->r8;
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if (size == strnlen((char *)ptr, TEXT_BUFFER_SIZE) )//否则有短acsii
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{
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*data = ptr;
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*len = size;
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}
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};
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NewHook(hpinternal, "std::_Char_traits<char,int>::copy(void *, const void *, size_t)");
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}
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};
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return NewHook(hp,"vcruntime140_app:memmove");
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} |