mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-25 20:54:15 +08:00
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
#include"CodeX.h"
|
|
|
|
bool CodeXFilter(LPVOID data, size_t *size, HookParam *)
|
|
{
|
|
auto text = reinterpret_cast<LPSTR>(data);
|
|
auto len = reinterpret_cast<size_t *>(size);
|
|
|
|
StringCharReplacer(text, len, "^n", 2, ' ');
|
|
|
|
//|晒[さら]
|
|
std::string result = std::string((char*)data,*len);
|
|
result = std::regex_replace(result, std::regex("\\|(.+?)\\[(.+?)\\]"), "$1");
|
|
*len = (result.size());
|
|
strcpy((char*)data, result.c_str());return true;
|
|
return true;
|
|
}
|
|
|
|
bool InsertCodeXHook()
|
|
{
|
|
|
|
/*
|
|
* Sample games:
|
|
* https://vndb.org/v41664
|
|
* https://vndb.org/v36122
|
|
*/
|
|
const BYTE bytes[] = {
|
|
0x83, 0xC4, 0x08, // add esp,08 << hook here
|
|
0x8D, 0x85, XX4, // lea eax,[ebp-00000218]
|
|
0x50, // push eax
|
|
0x68, XX4, // push ???????????!.exe+10A76C
|
|
0x85, 0xF6, // test esi,esi
|
|
0x74, 0x4F, // je ???????????!.exe+2A95B
|
|
0xFF, 0x15, XX4, // call dword ptr [???????????!.exe+C8140]
|
|
0x8B, 0x85, XX4 // mov eax,[ebp-00000220] << alternative hook here
|
|
};
|
|
|
|
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
|
|
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
|
|
if (!addr) {
|
|
ConsoleOutput("CodeX: pattern not found");
|
|
return false;
|
|
}
|
|
|
|
HookParam hp;
|
|
hp.address = addr;
|
|
hp.offset=get_reg(regs::eax);
|
|
hp.index = 0;
|
|
hp.type = USING_STRING;
|
|
hp.filter_fun = CodeXFilter;
|
|
ConsoleOutput("INSERT CodeX");
|
|
|
|
return NewHook(hp, "CodeX");
|
|
}
|
|
namespace{
|
|
bool hook(){
|
|
//霞外籠逗留記
|
|
BYTE _[]={0x90,0x90,0x68,0x64,0x7B,0x4C,0x00}; //aHdL db 'hd{L',0
|
|
ULONG addr = MemDbg::findBytes(_, sizeof(_), processStartAddress, processStopAddress);
|
|
if(addr==0)return false;
|
|
addr+=2;
|
|
BYTE bytes[]={0x68,XX4};
|
|
memcpy(bytes+1,&addr,4);
|
|
auto addrs = Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE, processStartAddress, processStopAddress);
|
|
bool succ=false;
|
|
for(auto adr:addrs){
|
|
adr=MemDbg::findEnclosingAlignedFunction(adr);
|
|
if(adr==0)continue;
|
|
HookParam hp;
|
|
hp.address = adr;
|
|
hp.offset=get_stack(1);
|
|
hp.type = CODEC_ANSI_BE;
|
|
succ|=NewHook(hp, "CodeX");
|
|
}
|
|
return succ;
|
|
}
|
|
}
|
|
bool CodeX::attach_function() {
|
|
return InsertCodeXHook()||hook();
|
|
}
|