LunaHook-mirror/LunaHook/engine32/Fizz.cpp

#include "Fizz.h"

bool Fizzattach_function1()
{
  // char __thiscall sub_59AA90(char *this, int a2, int a3, int a4, int a5, int a6, int a7, int a8, char a9)
  // HB8@59AA90
  // https://vndb.org/v1380
  // さくらテイル

  const BYTE bytes[] = {
      //clang-format off
      0x55, 0x8b, 0xec,
      0x6a, 0xff,
      0x68, XX4,
      0x64, 0xa1, 0, 0, 0, 0,
      0x50,
      0x81, 0xec, XX2, 0, 0,
      0xa1, XX4,
      0x33, 0xc5,
      0x89, 0x45, 0xf0,
      0x50,
      0x8d, 0x45, 0xf4,
      0x64, 0xa3, 0, 0, 0, 0,
      0x89, 0x4d, XX,
      0xc7, 0x45, XX, 0, 0, 0, 0,
      0xc7, 0x45, XX, 0, 0, 0, 0,
      0x8d, 0x4d, XX,
      0xe8, XX4,
      //clang-format on

  };
  ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
  if (!addr)
    return false;

  HookParam hp;
  hp.address = addr;
  hp.offset = get_stack(2);
  hp.type = USING_CHAR;
  return NewHook(hp, "Fizz");
}
namespace
{
  bool gsd()
  {
    //[110128][アトリエさくら]清純なカラダは、アイツの腕の中で男を知っていく
    // https://vndb.org/v5688
    // size_t __cdecl strlen(const char *Str)
    const BYTE bytes[] = {
        //clang-format off
        0xBA, 0xFF, 0xFE, 0xFE, 0x7E,
        0x03, 0xD0,
        0x83, 0xF0, 0xFF,
        0x33, 0xC2,
        0x83, 0xC1, 0x04,
        0xA9, 0x00, 0x01, 0x01, 0x81,
        0x74, XX,
        //clang-format on
    };
    ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
    if (!addr)
      return false;
    BYTE sig[] = {0x8b, 0x4c, 0x24, 0x04};
    addr = reverseFindBytes(sig, sizeof(sig), addr - 0x40, addr);
    if (!addr)
      return false;
    HookParam hp;
    hp.address = addr;
    hp.type = USING_STRING;
    hp.offset = get_stack(1);
    hp.filter_fun = all_ascii_Filter;
    return NewHook(hp, "gsd");
  }
}
bool Fizz::attach_function()
{
  if (typex == 1)
    return Fizzattach_function1();
  if (typex == 2)
    return gsd();
  return false;
}