恍兮惚兮 eb123790e6 refactor
2024-03-21 18:29:50 +08:00

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#include"lucasystem.h"
bool InsertIG64Hook() {
//<2F><><EFBFBD>륿<EFBFBD><EBA5BF><EFBFBD><EFBFBD> FHD.exe
//char __fastcall sub_14004D820(_QWORD *a1, __int16 *a2, size_t a3)
const BYTE BYTES[] = {
0x48,0x8b,0x43,0x08,
0x33,0xc9,
0x66,0x89,0x08
};
auto addrs = Util::SearchMemory(BYTES, sizeof(BYTES), PAGE_EXECUTE, processStartAddress, processStopAddress);
auto suc=false;
for (auto addr : addrs) {
ConsoleOutput("IG64 %p", addr);
const BYTE aligned [] = {0xCC,0xCC};
addr = reverseFindBytes(aligned, sizeof(aligned), addr-0x1000, addr);
if (addr == 0)continue;
addr += 2;
ConsoleOutput("IG64 %p", addr);
HookParam hp;
hp.address = addr;
hp.type = CODEC_UTF16 | USING_STRING;
hp.offset=get_reg(regs::rdx);//rdx
suc|=NewHook(hp, "IG64");
}
return suc;
}
bool IG64filter(void* data, size_t* size, HookParam*) {
auto text = reinterpret_cast<LPWSTR>(data);
std::wstring str =std::wstring(text,*size / 2);
std::wregex reg1(L"\\$\\[(.*?)\\$/(.*?)\\$\\]");
std::wstring result1 = std::regex_replace(str, reg1, L"$1");
std::wregex reg2(L"@[^@]*@");
std::wstring result2 = std::regex_replace(result1, reg2, L"");
write_string_overwrite(text,size,result2);
return true;
};
bool InsertIG64Hook2() {
//hook1 <20><>ע<EFBFBD>͵<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>Ͽ<EFBFBD><CFBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>hook<6F><6B><EFBFBD><EFBFBD>Ͽ<EFBFBD><CFBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǻᱣ<C7BB><E1B1A3>һЩ@[]֮<><D6AE>Ľű<C4BD><C5B1><EFBFBD><EFBFBD>š<EFBFBD>
//<2F><><EFBFBD>륿<EFBFBD><EBA5BF><EFBFBD><EFBFBD> FHD.exe
const BYTE BYTES[] = {
0xBA,0x3F,0xFF,0x00,0x00,
XX,0x8B,XX,
0xE8,XX2,0x00,0x00
};
bool ok=false;
auto addrs = Util::SearchMemory(BYTES, sizeof(BYTES), PAGE_EXECUTE, processStartAddress, processStopAddress);
for (auto addr : addrs) {
ConsoleOutput("IG642 %p", addr);
const BYTE aligned[] = { 0xCC,0xCC };
addr = reverseFindBytes(aligned, sizeof(aligned), addr - 0x10000, addr);
if (addr == 0)continue;
addr += 2;
ConsoleOutput("IG642 %p", addr);
HookParam hp;
hp.address = addr;
hp.type = CODEC_UTF16 | USING_STRING |EMBED_ABLE|EMBED_BEFORE_SIMPLE|EMBED_AFTER_NEW;//可以内嵌英文
hp.filter_fun = IG64filter;
hp.offset=get_reg(regs::rdx);//rdx
ok|=NewHook(hp, "IG642");
}
return ok;
}
bool InsertLucaSystemHook()
{
/*
* Sample games:
* https://vndb.org/r108105
*/
const BYTE bytes[] = {
0xCC, // int 3
0x48, XX4, // mov [rsp+18],rbx <- hook here
0x55, // push rbp
0x56, // push rsi
0x57, // push rdi
0x41, 0x54, // push r12
0x41, 0x55, // push r13
0x41, 0x56, // push r14
0x41, 0x57, // push r15
0x48, 0x8D, 0xAC, 0x24, XX4, // lea rbp,[rsp-00003810]
0xB8, XX4 // mov eax,00003910
};
auto addr=MemDbg::findBytes(bytes, sizeof(bytes),processStartAddress, processStopAddress);
if(!addr)return false;
HookParam hp = {};
hp.address = addr + 1;
hp.offset = get_reg(regs::rdx) ; //RDX
hp.filter_fun = [](LPVOID data, size_t *size, HookParam *)
{
static std::wstring prevText;
auto text = reinterpret_cast<LPWSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
if (text[0] == L'\x3000') { //removes space at the beginning of the sentence
*len -= 2;
::memmove(text, text + 1, *len);
}
if ( *text == L'@' ) //Name in square brackets instead of '@'
if ( wchar_t *match2 = cpp_wcsnchr(text+1, L'@', *len/2-1) ) {
*text = L'[';
*match2 = L']';
}
StringFilterBetween(text, len, L"$C(", 3, L")", 1);
StringFilter(text, len, L"$A", 3); // remove $A followed by 1 char
StringCharReplacer(text, len, L"$d", 2, L'\n');
CharFilter(text, len, L'\xFF3F');
//ruby
StringFilter(text, len, L"$[", 2);
StringFilterBetween(text, len, L"$/", 2, L"$]", 2);
return true;
};
hp.type = CODEC_UTF16 | USING_STRING;
NewHook(hp, "LucaSystem");
return true;
}
bool lucasystem::attach_function() {
return InsertIG64Hook2()|InsertLucaSystemHook();
}