mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-02 18:15:38 +08:00
707 lines
22 KiB
C++
707 lines
22 KiB
C++
#include "Elf.h"
|
||
|
||
/**
|
||
* jichi 6/1/2014:
|
||
* Observations from 愛姉妹4
|
||
* - Scenario: arg1 + 4*5 is 0, arg1+0xc is address of the text
|
||
* - Character: arg1 + 4*10 is 0, arg1+0xc is text
|
||
*/
|
||
static inline size_t _elf_strlen(LPCSTR p) // limit search address which might be bad
|
||
{
|
||
// CC_ASSERT(p);
|
||
for (size_t i = 0; i < VNR_TEXT_CAPACITY; i++)
|
||
if (!*p++)
|
||
return i;
|
||
return 0; // when len >= VNR_TEXT_CAPACITY
|
||
}
|
||
|
||
static void SpecialHookElf(hook_stack *stack, HookParam *, uintptr_t *data, uintptr_t *split, size_t *len)
|
||
{
|
||
// DWORD arg1 = *(DWORD *)(esp_base + 0x4);
|
||
DWORD arg1 = stack->stack[1];
|
||
DWORD arg2_scene = arg1 + 4 * 5,
|
||
arg2_chara = arg1 + 4 * 10;
|
||
DWORD text; //= 0; // This variable will be killed
|
||
if (*(DWORD *)arg2_scene == 0)
|
||
{
|
||
text = *(DWORD *)(arg2_scene + 4 * 3);
|
||
if (!text || ::IsBadReadPtr((LPCVOID)text, 1)) // Text from scenario could be bad when open backlog while the character is speaking
|
||
return;
|
||
*split = 1;
|
||
}
|
||
else if (*(DWORD *)arg2_chara == 0)
|
||
{
|
||
text = arg2_chara + 4 * 3;
|
||
*split = 2;
|
||
}
|
||
else
|
||
return;
|
||
// if (text && text < MemDbg::UserMemoryStopAddress) {
|
||
*len = _elf_strlen((LPCSTR)text); // in case the text is bad but still readable
|
||
//*len = ::strlen((LPCSTR)text);
|
||
*data = text;
|
||
}
|
||
|
||
/**
|
||
* jichi 5/31/2014: elf's
|
||
* Type1: SEXヂ<58>ーチャー剛史 trial, reladdr = 0x2f0f0, 2 parameters
|
||
* Type2: 愛姉妹4, reladdr = 0x2f9b0, 3 parameters
|
||
*
|
||
* IDA: sub_42F9B0 proc near ; bp-based frame
|
||
* var_8 = dword ptr -8
|
||
* var_4 = byte ptr -4
|
||
* var_3 = word ptr -3
|
||
* arg_0 = dword ptr 8
|
||
* arg_4 = dword ptr 0Ch
|
||
* arg_8 = dword ptr 10h
|
||
*
|
||
* Call graph (Type2):
|
||
* 0x2f9b0 ; hook here
|
||
* > 0x666a0 ; called multiple time
|
||
* > TextOutA ; there are two TextOutA, the second is the right one
|
||
*
|
||
* Function starts (Type1), pattern offset: 0xc
|
||
* - 012ef0f0 /$ 55 push ebp ; jichi: hook
|
||
* - 012ef0f1 |. 8bec mov ebp,esp
|
||
* - 012ef0f3 |. 83ec 10 sub esp,0x10
|
||
* - 012ef0f6 |. 837d 0c 00 cmp dword ptr ss:[ebp+0xc],0x0
|
||
* - 012ef0fa |. 53 push ebx
|
||
* - 012ef0fb |. 56 push esi
|
||
* - 012ef0fc |. 75 0f jnz short stt_tria.012ef10d ; jicchi: pattern starts
|
||
* - 012ef0fe |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8]
|
||
* - 012ef101 |. 8b48 04 mov ecx,dword ptr ds:[eax+0x4]
|
||
* - 012ef104 |. 8b91 90000000 mov edx,dword ptr ds:[ecx+0x90] ; jichi: pattern stops
|
||
* - 012ef10a |. 8955 0c mov dword ptr ss:[ebp+0xc],edx
|
||
* - 012ef10d |> 8b4d 08 mov ecx,dword ptr ss:[ebp+0x8]
|
||
* - 012ef110 |. 8b51 04 mov edx,dword ptr ds:[ecx+0x4]
|
||
* - 012ef113 |. 33c0 xor eax,eax
|
||
* - 012ef115 |. c645 f8 00 mov byte ptr ss:[ebp-0x8],0x0
|
||
* - 012ef119 |. 66:8945 f9 mov word ptr ss:[ebp-0x7],ax
|
||
* - 012ef11d |. 8b82 b0000000 mov eax,dword ptr ds:[edx+0xb0]
|
||
* - 012ef123 |. 8945 f4 mov dword ptr ss:[ebp-0xc],eax
|
||
* - 012ef126 |. 33db xor ebx,ebx
|
||
* - 012ef128 |> 8b4f 20 /mov ecx,dword ptr ds:[edi+0x20]
|
||
* - 012ef12b |. 83f9 10 |cmp ecx,0x10
|
||
*
|
||
* Function starts (Type2), pattern offset: 0x10
|
||
* - 0093f9b0 /$ 55 push ebp ; jichi: hook here
|
||
* - 0093f9b1 |. 8bec mov ebp,esp
|
||
* - 0093f9b3 |. 83ec 08 sub esp,0x8
|
||
* - 0093f9b6 |. 837d 10 00 cmp dword ptr ss:[ebp+0x10],0x0
|
||
* - 0093f9ba |. 53 push ebx
|
||
* - 0093f9bb |. 8b5d 0c mov ebx,dword ptr ss:[ebp+0xc]
|
||
* - 0093f9be |. 56 push esi
|
||
* - 0093f9bf |. 57 push edi
|
||
* - 0093f9c0 |. 75 0f jnz short silkys.0093f9d1 ; jichi: pattern starts
|
||
* - 0093f9c2 |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8]
|
||
* - 0093f9c5 |. 8b48 04 mov ecx,dword ptr ds:[eax+0x4]
|
||
* - 0093f9c8 |. 8b91 90000000 mov edx,dword ptr ds:[ecx+0x90] ; jichi: pattern stops
|
||
* - 0093f9ce |. 8955 10 mov dword ptr ss:[ebp+0x10],edx
|
||
* - 0093f9d1 |> 33c0 xor eax,eax
|
||
* - 0093f9d3 |. c645 fc 00 mov byte ptr ss:[ebp-0x4],0x0
|
||
* - 0093f9d7 |. 66:8945 fd mov word ptr ss:[ebp-0x3],ax
|
||
* - 0093f9db |. 33ff xor edi,edi
|
||
* - 0093f9dd |> 8b53 20 /mov edx,dword ptr ds:[ebx+0x20]
|
||
* - 0093f9e0 |. 8d4b 0c |lea ecx,dword ptr ds:[ebx+0xc]
|
||
* - 0093f9e3 |. 83fa 10 |cmp edx,0x10
|
||
*/
|
||
bool InsertElfHook()
|
||
{
|
||
const BYTE bytes[] = {
|
||
// 0x55, // 0093f9b0 /$ 55 push ebp ; jichi: hook here
|
||
// 0x8b,0xec, // 0093f9b1 |. 8bec mov ebp,esp
|
||
// 0x83,0xec, 0x08, // 0093f9b3 |. 83ec 08 sub esp,0x8
|
||
// 0x83,0x7d, 0x10, 0x00, // 0093f9b6 |. 837d 10 00 cmp dword ptr ss:[ebp+0x10],0x0
|
||
// 0x53, // 0093f9ba |. 53 push ebx
|
||
// 0x8b,0x5d, 0x0c, // 0093f9bb |. 8b5d 0c mov ebx,dword ptr ss:[ebp+0xc]
|
||
// 0x56, // 0093f9be |. 56 push esi
|
||
// 0x57, // 0093f9bf |. 57 push edi
|
||
0x75, 0x0f, // 0093f9c0 |. 75 0f jnz short silkys.0093f9d1
|
||
0x8b, 0x45, 0x08, // 0093f9c2 |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8]
|
||
0x8b, 0x48, 0x04, // 0093f9c5 |. 8b48 04 mov ecx,dword ptr ds:[eax+0x4]
|
||
0x8b, 0x91, 0x90, 0x00, 0x00, 0x00 // 0093f9c8 |. 8b91 90000000 mov edx,dword ptr ds:[ecx+0x90]
|
||
};
|
||
// enum { addr_offset = 0xc };
|
||
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
|
||
// GROWL_DWORD(addr);
|
||
// addr = 0x42f170; // 愛姉妹4 Trial
|
||
// reladdr = 0x2f9b0; // 愛姉妹4
|
||
// reladdr = 0x2f0f0; // SEXヂ<58>ーチャー剛史 trial
|
||
if (!addr)
|
||
{
|
||
ConsoleOutput("Elf: pattern not found");
|
||
return false;
|
||
}
|
||
|
||
enum : BYTE
|
||
{
|
||
push_ebp = 0x55
|
||
};
|
||
for (int i = 0; i < 0x20; i++, addr--) // value of i is supposed to be 0xc or 0x10
|
||
if (*(BYTE *)addr == push_ebp)
|
||
{ // beginning of the function
|
||
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.text_fun = SpecialHookElf;
|
||
hp.type = USING_STRING | NO_CONTEXT; // = 9
|
||
|
||
ConsoleOutput("INSERT Elf");
|
||
|
||
return NewHook(hp, "Elf");
|
||
}
|
||
ConsoleOutput("Elf: function not found");
|
||
return false;
|
||
}
|
||
namespace
|
||
{
|
||
bool __()
|
||
{
|
||
const BYTE bytes[] = {
|
||
// 姫騎士オリヴィア ～へ、変態、この変態男!少しは恥を知りなさい!～
|
||
// 女系家族III～秘密HIMITSU卑蜜～
|
||
// ベロちゅー！～コスプレメイドをエロメロしちゃう魔法の舌戯～
|
||
0x0F, 0xB7, XX, XX4, // v11 == 30081 // movzx edx, ds:word_4C285C //word_4C285C dw 7581h
|
||
};
|
||
|
||
for (auto addr : Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE, processStartAddress, processStopAddress))
|
||
{
|
||
BYTE reg = *(BYTE *)(addr + 2);
|
||
if ((reg != 0x05) && (reg != 0x0d) && (reg != 0x1d) && (reg != 0x15))
|
||
continue;
|
||
int word_4C285C_addr = *(int *)(addr + 3);
|
||
if (word_4C285C_addr < processStartAddress || word_4C285C_addr > processStopAddress)
|
||
continue;
|
||
int word_4C285C = *(int *)word_4C285C_addr;
|
||
if ((word_4C285C) != 0x7581)
|
||
continue;
|
||
addr = findfuncstart(addr, 0x200);
|
||
if (addr == 0)
|
||
continue;
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.offset = get_stack(1);
|
||
hp.type = USING_STRING;
|
||
|
||
return NewHook(hp, "aiwin6");
|
||
}
|
||
|
||
return false;
|
||
}
|
||
}
|
||
namespace
|
||
{ // unnamed
|
||
namespace ScenarioHook
|
||
{
|
||
namespace Private
|
||
{
|
||
|
||
struct TextArgument
|
||
{
|
||
DWORD _unknown1[5];
|
||
|
||
DWORD scenarioFlag; // +4*5, 0 if it is scenario
|
||
DWORD _unknown2[2];
|
||
LPCSTR scenarioText; // +4*5+4*3, could be bad address though
|
||
DWORD _unknown3;
|
||
|
||
DWORD nameFlag; // +4*10, 0 if it is name
|
||
DWORD _unknown4[2];
|
||
char nameText[1]; // +4*10+4*3, could be bad address though
|
||
};
|
||
|
||
std::string data_;
|
||
TextArgument *scenarioArg_,
|
||
*nameArg_;
|
||
LPCSTR scenarioText_;
|
||
|
||
enum
|
||
{
|
||
MaxNameSize = 100
|
||
};
|
||
char nameText_[MaxNameSize + 1];
|
||
|
||
bool hookBefore(hook_stack *s, void *data, size_t *len, uintptr_t *role)
|
||
{
|
||
auto arg = (TextArgument *)s->stack[0]; // arg1 on the top of the stack
|
||
|
||
// Scenario
|
||
if (arg->scenarioFlag == 0)
|
||
{
|
||
*role = Engine::ScenarioRole;
|
||
// Text from scenario could be bad when open backlog while the character is speaking
|
||
auto text = arg->scenarioText;
|
||
if (!Engine::isAddressReadable(text))
|
||
return 0;
|
||
return write_string_overwrite(data, len, text);
|
||
// data_ = q->dispatchTextASTD(text, role, sig);
|
||
// scenarioArg_ = arg;
|
||
// scenarioText_ = arg->scenarioText;
|
||
// arg->scenarioText = (LPCSTR)data_.c_str();
|
||
}
|
||
else if (arg->nameFlag == 0)
|
||
{
|
||
*role = Engine::NameRole;
|
||
auto text = arg->nameText;
|
||
return write_string_overwrite(data, len, text);
|
||
// ::memcpy(text, newData.constData(), qMin(oldData.size(), newData.size()));
|
||
// int left = oldData.size() - newData.size();
|
||
// if (left > 0)
|
||
// ::memset(text + oldData.size() - left, 0, left);
|
||
}
|
||
return 0;
|
||
}
|
||
void hookafter1(hook_stack *s, void *data1, size_t len)
|
||
{
|
||
auto newData = std::string((char *)data1, len);
|
||
auto arg = (TextArgument *)s->stack[0]; // arg1 on the top of the stack
|
||
|
||
// Scenario
|
||
if (arg->scenarioFlag == 0)
|
||
{
|
||
|
||
auto text = arg->scenarioText;
|
||
if (!Engine::isAddressReadable(text))
|
||
return;
|
||
data_ = newData;
|
||
scenarioArg_ = arg;
|
||
scenarioText_ = arg->scenarioText;
|
||
arg->scenarioText = (LPCSTR)data_.c_str();
|
||
}
|
||
else if (arg->nameFlag == 0)
|
||
{
|
||
|
||
auto text = arg->nameText;
|
||
std::string oldData = text;
|
||
::memcpy(text, newData.c_str(), min(oldData.size(), newData.size()));
|
||
int left = oldData.size() - newData.size();
|
||
if (left > 0)
|
||
::memset(text + oldData.size() - left, 0, left);
|
||
}
|
||
}
|
||
bool hookAfter(hook_stack *s, void *data, size_t *len, uintptr_t *role)
|
||
{
|
||
if (scenarioArg_)
|
||
{
|
||
scenarioArg_->scenarioText = scenarioText_;
|
||
scenarioArg_ = nullptr;
|
||
}
|
||
if (nameArg_)
|
||
{
|
||
::strcpy(nameArg_->nameText, nameText_);
|
||
nameArg_ = nullptr;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
} // namespace Private
|
||
|
||
/**
|
||
* jichi 5/31/2014: elf's
|
||
* Type1: SEXティーチャー剛史 trial, reladdr = 0x2f0f0, 2 parameters
|
||
* Type2: 愛姉妹4, reladdr = 0x2f9b0, 3 parameters
|
||
*
|
||
* The hooked function is the caller of the caller of TextOutA.
|
||
*/
|
||
bool attach(ULONG startAddress, ULONG stopAddress)
|
||
{
|
||
const uint8_t bytes[] = {
|
||
// 0x55, // 0093f9b0 /$ 55 push ebp ; jichi: hook here
|
||
// 0x8b,0xec, // 0093f9b1 |. 8bec mov ebp,esp
|
||
// 0x83,0xec, 0x08, // 0093f9b3 |. 83ec 08 sub esp,0x8
|
||
// 0x83,0x7d, 0x10, 0x00, // 0093f9b6 |. 837d 10 00 cmp dword ptr ss:[ebp+0x10],0x0
|
||
// 0x53, // 0093f9ba |. 53 push ebx
|
||
// 0x8b,0x5d, 0x0c, // 0093f9bb |. 8b5d 0c mov ebx,dword ptr ss:[ebp+0xc]
|
||
// 0x56, // 0093f9be |. 56 push esi
|
||
// 0x57, // 0093f9bf |. 57 push edi
|
||
0x75, 0x0f, // 0093f9c0 |. 75 0f jnz short silkys.0093f9d1
|
||
0x8b, 0x45, 0x08, // 0093f9c2 |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8]
|
||
0x8b, 0x48, 0x04, // 0093f9c5 |. 8b48 04 mov ecx,dword ptr ds:[eax+0x4]
|
||
0x8b, 0x91, 0x90, 0x00, 0x00, 0x00 // 0093f9c8 |. 8b91 90000000 mov edx,dword ptr ds:[ecx+0x90]
|
||
};
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), startAddress, stopAddress);
|
||
if (!addr)
|
||
return false;
|
||
addr = MemDbg::findEnclosingAlignedFunction(addr);
|
||
if (!addr)
|
||
return false;
|
||
int count = 0;
|
||
auto fun = [&count](ULONG addr) -> bool
|
||
{
|
||
bool succ = false;
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.hook_before = Private::hookBefore;
|
||
hp.hook_after = Private::hookafter1;
|
||
hp.type = USING_STRING | EMBED_ABLE | EMBED_DYNA_SJIS;
|
||
hp.hook_font = F_TextOutA;
|
||
succ |= NewHook(hp, "EmbedElf");
|
||
hp.address = addr + 5;
|
||
hp.hook_before = Private::hookAfter;
|
||
succ |= NewHook(hp, "EmbedElf");
|
||
count += 1;
|
||
return succ; // replace all functions
|
||
};
|
||
MemDbg::iterNearCallAddress(fun, addr, startAddress, stopAddress);
|
||
return count;
|
||
|
||
// lastCaller = MemDbg::findEnclosingAlignedFunction(lastCaller);
|
||
// Private::attached_ = false;
|
||
// return winhook::hook_before(lastCaller, [=](winhook::hook_stack *s) -> bool {
|
||
// if (Private::attached_)
|
||
// return true;
|
||
// Private::attached_ = true;
|
||
// if (ULONG addr = MemDbg::findEnclosingAlignedFunction(s->stack[0])) {
|
||
// DOUT("dynamic pattern found");
|
||
// Private::oldHookFun = (Private::hook_fun_t)winhook::replace_fun(addr, (ULONG)Private::newHookFun);
|
||
// }
|
||
// return true;
|
||
// });
|
||
}
|
||
|
||
} // namespace ScenarioHook
|
||
} // unnamed namespace
|
||
namespace
|
||
{
|
||
// flutter of birds～鳥達の羽ばたき～
|
||
// https://vndb.org/v2379
|
||
// 需要注意的是，不能把文本跳到最快，不然2~4行无法显示。
|
||
// 这个有一大堆候选
|
||
bool elf3()
|
||
{
|
||
bool succ = false;
|
||
BYTE sig[] = {
|
||
0x83, XX, 0x14, 0x10,
|
||
0x72, XX};
|
||
for (auto addr : Util::SearchMemory(sig, sizeof(sig), PAGE_EXECUTE, processStartAddress, processStopAddress))
|
||
{
|
||
auto check1 = *(BYTE *)(addr + 5);
|
||
if (check1 != 0x02 && check1 != 0x04)
|
||
continue;
|
||
auto check = *(BYTE *)(addr + 1);
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.user_value = check;
|
||
hp.type = USING_STRING | NO_CONTEXT;
|
||
hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
|
||
{
|
||
DWORD ptr;
|
||
switch (hp->user_value)
|
||
{
|
||
case 0x7a:
|
||
ptr = stack->edx;
|
||
break;
|
||
case 0x7b:
|
||
ptr = stack->ebx;
|
||
break;
|
||
case 0x79:
|
||
ptr = stack->ecx;
|
||
break;
|
||
case 0x78:
|
||
ptr = stack->eax;
|
||
break;
|
||
case 0x7e:
|
||
ptr = stack->esi;
|
||
break;
|
||
case 0x7f:
|
||
ptr = stack->edi;
|
||
break;
|
||
case 0x7d:
|
||
ptr = stack->ebp;
|
||
break;
|
||
// esp:
|
||
// 83 7c 24 14 10
|
||
default:
|
||
hp->type = HOOK_EMPTY;
|
||
break;
|
||
}
|
||
auto text = (TextUnionA *)ptr;
|
||
*data = (DWORD)text->getText();
|
||
*len = text->size;
|
||
};
|
||
hp.filter_fun = all_ascii_Filter;
|
||
succ |= NewHook(hp, "elf3");
|
||
}
|
||
return succ;
|
||
}
|
||
}
|
||
namespace
|
||
{
|
||
bool elf4()
|
||
{
|
||
// WORDS WORTH【Windows10対応】
|
||
// elf3只能拿到人名，跳过
|
||
uint8_t bytes[] = {
|
||
//clang-format off
|
||
0x72, 0x02,
|
||
0x8b, 0x36,
|
||
0x8a, 0x0e,
|
||
0x84, 0xc9,
|
||
0x0f, 0x84, XX4,
|
||
0x8d, 0x57, XX,
|
||
0x8d, 0x5f, XX,
|
||
0x8b, 0xff,
|
||
0x80, 0xf9, 0x81,
|
||
0x72, 0x05,
|
||
0x80, 0xf9, 0x9f,
|
||
0x76, 0x07,
|
||
0x8d, 0x41, 0x20,
|
||
0x3c, 0x0f,
|
||
0x77, XX,
|
||
//clang-format on
|
||
};
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
|
||
if (!addr)
|
||
return false;
|
||
HookParam hp;
|
||
hp.address = addr + 4;
|
||
hp.type = USING_STRING;
|
||
hp.offset = get_reg(regs::esi);
|
||
return NewHook(hp, "Elf4");
|
||
}
|
||
}
|
||
namespace
|
||
{
|
||
bool nvxijiazu()
|
||
{
|
||
// https://vndb.org/v3327
|
||
// 女系家族～淫謀～
|
||
BYTE sig[] = {
|
||
//clang-format off
|
||
0X55,
|
||
0x8b, 0xec, // mov ebp,esp
|
||
0x51, 0x53, 0x56,
|
||
0x8b, 0xf1,
|
||
0x66, 0xc7, 0x45, 0xfd, 0x00, 0x00,
|
||
0x66, 0x8b, 0x4d, 0x10, // mov ecx,[ebp+10]
|
||
0x66, 0x8b, 0xd1,
|
||
0x66, 0xc1, 0xea, 0x08,
|
||
0x80, 0xfa, 0x81, // cmp dl,0x81
|
||
0x72, 0x05,
|
||
0x80, 0xfa, 0x9f, // cmp dl,0x9f
|
||
0x76, XX,
|
||
//clang-format on
|
||
};
|
||
// clang-format on
|
||
ULONG addr = MemDbg::findBytes(sig, sizeof(sig), processStartAddress, processStopAddress);
|
||
if (!addr)
|
||
return false;
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.type = USING_CHAR | CODEC_ANSI_BE | DATA_INDIRECT; // 不可以NO_CONTEXT，因为有彩色可点击文字，会在另一个context有很多垃圾文本
|
||
hp.offset = get_reg(regs::esp);
|
||
hp.index = 0x10;
|
||
return NewHook(hp, "Elf4");
|
||
}
|
||
}
|
||
bool Elf::attach_function()
|
||
{
|
||
|
||
auto _1 = InsertElfHook() || __() || elf4() || nvxijiazu() || elf3();
|
||
return ScenarioHook::attach(processStartAddress, processStopAddress) || _1;
|
||
}
|
||
|
||
bool isshiftjisX(WORD w)
|
||
{
|
||
return (((BYTE)(w)) <= 0xfc) && (((BYTE)(w)) >= 0x80);
|
||
}
|
||
void SpecialHookElf2(hook_stack *stack, HookParam *, uintptr_t *data, uintptr_t *split, size_t *len)
|
||
{
|
||
static DWORD lasttext;
|
||
DWORD eax = stack->eax;
|
||
DWORD edx = stack->edx;
|
||
|
||
*data = *(WORD *)(eax + edx);
|
||
if (isshiftjisX(*data) == false)
|
||
{
|
||
*len = 0;
|
||
return;
|
||
}
|
||
*len = 2;
|
||
*split = stack->stack[1];
|
||
}
|
||
bool Elf2attach_function()
|
||
{
|
||
// 这个有好多乱码
|
||
//[エルフ]あしたの雪之丞 DVD Special Edition
|
||
const uint8_t bytes[] = {
|
||
0x53,
|
||
0x8a, 0x1c, 0x02,
|
||
0x8b, 0x54, 0x24, 0x08,
|
||
0x03, 0xc2};
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
|
||
if (!addr)
|
||
return false;
|
||
HookParam hp;
|
||
hp.address = addr + 1;
|
||
hp.text_fun = SpecialHookElf2;
|
||
hp.type = NO_CONTEXT;
|
||
|
||
return NewHook(hp, "Elf");
|
||
}
|
||
bool elf2()
|
||
{
|
||
//[エルフ]あしたの雪之丞 DVD Special Edition
|
||
// 勝 あしたの雪之丞２
|
||
const uint8_t bytes[] = {
|
||
0x66, 0x8b, 0x8e, XX4,
|
||
0x66, 0x8b, 0x96, XX4,
|
||
0x66, 0x01, 0x8e, XX4,
|
||
0x66, 0x89, 0x96, XX4,
|
||
0x8b, 0x06,
|
||
0x6a, 0x00,
|
||
0x8b, 0xce,
|
||
0xff, 0x50, 0x08,
|
||
0x84, 0xc0};
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
|
||
if (!addr)
|
||
return false;
|
||
HookParam hp;
|
||
hp.address = addr + sizeof(bytes);
|
||
hp.type = NO_CONTEXT | USING_STRING;
|
||
hp.offset = get_reg(regs::ebx);
|
||
|
||
return NewHook(hp, "Elf");
|
||
}
|
||
namespace
|
||
{
|
||
// リフレインブルー【Windows10対応】
|
||
bool _h1()
|
||
{
|
||
// HAN-18*-4@42E12:AI5WIN.exe
|
||
BYTE sig[] = {
|
||
0x33, 0xff,
|
||
0x8b, 0x06,
|
||
0x8b, 0xce,
|
||
0x6a, 0x01,
|
||
0x8b, 0x40, 0x08,
|
||
0xff, 0xd0,
|
||
0x0f, 0x0b6, 0xc0,
|
||
0x8b, 0xce,
|
||
0x66, 0xc1, 0xe0, 0x08,
|
||
0x0f, 0xb7, 0xc0,
|
||
0x89, 0x45, 0xfc,
|
||
0x8b, 0x06,
|
||
0x6a, 0x01,
|
||
0x8b, 0x40, 0x08,
|
||
0xff, 0xd0,
|
||
0x0f, 0xb6, 0xc0,
|
||
0x8b, 0xce,
|
||
0x66, 0x09, 0x45, 0xfc,
|
||
0xff, 0x75, 0xfc,
|
||
0xe8};
|
||
ULONG addr = MemDbg::findBytes(sig, sizeof(sig), processStartAddress, processStopAddress);
|
||
if (!addr)
|
||
return false;
|
||
HookParam hp;
|
||
hp.address = addr + sizeof(sig) - 1;
|
||
hp.type = NO_CONTEXT | USING_CHAR | DATA_INDIRECT | CODEC_ANSI_BE;
|
||
hp.offset = get_reg(regs::ebp);
|
||
hp.index = -4;
|
||
return NewHook(hp, "Elf");
|
||
}
|
||
bool _h2()
|
||
{
|
||
// HAN4@49570:AI5WIN.exe
|
||
|
||
// clang-format off
|
||
BYTE sig[]={
|
||
0x33,0xc5,
|
||
0x89,0x45,0xfc,
|
||
0x8a,0x81,XX4,
|
||
|
||
0x84,0xc0,
|
||
0x75,0x0e,
|
||
0x8b,0x81,XX4,
|
||
0x03,0x81,XX4,
|
||
0xeb,XX,
|
||
|
||
0x3c,0x01,
|
||
0x75,0x0e,
|
||
0x8b,0x81,XX4,
|
||
0x03,0x81,XX4,
|
||
0xeb,XX,
|
||
|
||
0x3c,0x02,
|
||
0x75,0x0e,
|
||
0x8b,0x81,XX4,
|
||
0x03,0x81,XX4,
|
||
0xeb,XX,
|
||
};
|
||
// clang-format on
|
||
ULONG addr = MemDbg::findBytes(sig, sizeof(sig), processStartAddress, processStopAddress);
|
||
if (!addr)
|
||
return false;
|
||
addr = MemDbg::findEnclosingAlignedFunction(addr);
|
||
if (!addr)
|
||
return false;
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.type = NO_CONTEXT | USING_CHAR | CODEC_ANSI_BE;
|
||
hp.offset = get_stack(1);
|
||
return NewHook(hp, "Elf");
|
||
}
|
||
bool all()
|
||
{
|
||
return _h1() | _h2();
|
||
}
|
||
}
|
||
namespace
|
||
{
|
||
bool el()
|
||
{
|
||
// https://vndb.org/v2293
|
||
// 【el】【Windows10対応】
|
||
BYTE sig[] = {
|
||
// 0x66,0x8b,0x4d,0x0c
|
||
// 0x66,0x8b,0xc1
|
||
0x66, 0xc1, 0xe8, 0x08,
|
||
XX, // 0x57
|
||
0x3c, 0x81,
|
||
0x72, 0x04,
|
||
0x3c, 0x9f,
|
||
0x76, 0x08,
|
||
0x3c, 0xe0,
|
||
0x72, 0x10,
|
||
0x3c, 0xef,
|
||
0x77, 0x0c};
|
||
// clang-format on
|
||
ULONG addr = MemDbg::findBytes(sig, sizeof(sig), processStartAddress, processStopAddress);
|
||
if (!addr)
|
||
return false;
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.type = NO_CONTEXT | USING_CHAR | CODEC_ANSI_BE;
|
||
hp.offset = get_reg(regs::eax);
|
||
return NewHook(hp, "Elf");
|
||
}
|
||
}
|
||
bool Elf2::attach_function()
|
||
{
|
||
return elf2() || Elf2attach_function() || all() || el();
|
||
}
|
||
|
||
bool ElfFunClubFinal::attach_function()
|
||
{
|
||
// mov reg,ds:TextOutA
|
||
bool succ = false;
|
||
for (auto addr : findiatcallormov_all((DWORD)TextOutA, processStartAddress, processStartAddress, processStopAddress, PAGE_EXECUTE, XX))
|
||
{
|
||
BYTE s[] = {XX, 0xCC, 0xCC, 0xCC};
|
||
addr = reverseFindBytes(s, 4, addr - 0x100, addr);
|
||
if (addr == 0)
|
||
continue;
|
||
HookParam hp;
|
||
hp.address = addr + 4;
|
||
hp.type = CODEC_ANSI_BE | USING_CHAR;
|
||
hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
|
||
{
|
||
*data = (WORD)stack->stack[3];
|
||
*len = 2;
|
||
*split = stack->stack[2] > 8;
|
||
};
|
||
succ |= NewHook(hp, "ElfFunClubFinal");
|
||
}
|
||
return succ;
|
||
} |