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恍兮惚兮 2024-06-02 13:53:06 +08:00
parent cefab6d691
commit ba0479c546
1 changed files with 81 additions and 44 deletions
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125
LunaHook/engine32/CodeX.cpp
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@ -1,78 +1,115 @@
#include"CodeX.h"
#include "CodeX.h"
bool CodeXFilter(LPVOID data, size_t *size, HookParam *)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
std::string result = std::string((char *)data, *size);
strReplace(result, "^n", "\n");
if (startWith(result, "\n"))
result = result.substr(1);
StringCharReplacer(text, len, "^n", 2, ' ');
//|晒[さら]
std::string result = std::string((char*)data,*len);
result = std::regex_replace(result, std::regex("\\|(.+?)\\[(.+?)\\]"), "$1");
return write_string_overwrite(data,len,result);
return write_string_overwrite(data, size, result);
}
bool InsertCodeXHook()
bool InsertCodeXHook()
{
/*
* Sample games:
* https://vndb.org/v41664
* https://vndb.org/v36122
*/
/*
* 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
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) {
if (!addr)
{
ConsoleOutput("CodeX: pattern not found");
return false;
}
HookParam hp;
hp.address = addr;
hp.offset=get_reg(regs::eax);
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
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);
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;
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.offset = get_stack(1);
hp.type = CODEC_ANSI_BE;
succ|=NewHook(hp, "CodeX");
succ |= NewHook(hp, "CodeX");
}
return succ;
return succ;
}
}
bool CodeX::attach_function() {
return InsertCodeXHook()||hook();
}
namespace
{
// https://vndb.org/v598
// ANGEL BULLET
bool hook2()
{
BYTE _[] = {
0x8b, 0x44, 0x24, 0x04,
0x81, 0xec, XX4,
0x25, 0xff, 0xff, 0, 0,
0x8d, 0x54, 0x24, 0,
0x56,
0x8b, 0xf1,
0x50,
0x8d, 0x4e, XX,
0x51,
0x68, XX4, //%s%03d
0x52,
0xff, 0x15, XX4, // wprintfA
};
ULONG addr = MemDbg::findBytes(_, sizeof(_), processStartAddress, processStopAddress);
if (addr == 0)
return false;
HookParam hp;
hp.address = addr;
hp.offset = get_reg(regs::edx);
hp.type = USING_STRING;
hp.filter_fun = CodeXFilter;
return NewHook(hp, "CodeX");
}
}
bool CodeX::attach_function()
{
return InsertCodeXHook() || hook() || hook2();
}