mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-10-22 23:18:16 +08:00
dmmdrc
This commit is contained in:
恍兮惚兮
parent
2219e3a7e1
commit
ade8f24169
@ -1,86 +1,156 @@
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#include"Nitroplus.h"
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#include "Nitroplus.h"
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bool InsertNitroplusHook()
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{
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const BYTE bytes[] = {0xb0, 0x74, 0x53};
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DWORD addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
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if (!addr) {
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ConsoleOutput("Nitroplus: pattern not exist");
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return false;
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}
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enum : WORD { sub_esp = 0xec83 }; // caller pattern: sub esp = 0x83,0xec
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BYTE b = *(BYTE *)(addr + 3) & 3;
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while (*(WORD *)addr != sub_esp)
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addr--;
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HookParam hp;
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hp.address = addr;
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hp.offset = -0x14+ (b << 2);
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hp.type = CODEC_ANSI_BE;
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ConsoleOutput("INSERT Nitroplus");
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return NewHook(hp, "Nitroplus");
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//RegisterEngineType(ENGINE_Nitroplus);
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const BYTE bytes[] = {0xb0, 0x74, 0x53};
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DWORD addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
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if (!addr)
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{
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ConsoleOutput("Nitroplus: pattern not exist");
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return false;
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}
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enum : WORD
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{
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sub_esp = 0xec83
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}; // caller pattern: sub esp = 0x83,0xec
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BYTE b = *(BYTE *)(addr + 3) & 3;
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while (*(WORD *)addr != sub_esp)
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addr--;
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HookParam hp;
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hp.address = addr;
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hp.offset = -0x14 + (b << 2);
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hp.type = CODEC_ANSI_BE;
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ConsoleOutput("INSERT Nitroplus");
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return NewHook(hp, "Nitroplus");
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// RegisterEngineType(ENGINE_Nitroplus);
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}
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bool InsertNitroplus2Hook() {
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/*
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* Sample games:
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* https://vndb.org/v428
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*/
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bool InsertNitroplus2Hook()
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{
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/*
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* Sample games:
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* https://vndb.org/v428
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*/
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BYTE bytes[] = {
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0x8D, 0xB4, 0x29, XX4, // lea esi,[ecx+ebp+0000415C]
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0x74, 0x20, // je Django.exe+6126E
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0x8D, 0xBC, 0xBD, XX4, // lea edi,[ebp+edi*4+0006410C]
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0x8B, 0x56, 0xB0, // mov edx,[esi-50]
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0xE8, XX4 // call Django.exe+51150 << hook here
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0x8D, 0xB4, 0x29, XX4, // lea esi,[ecx+ebp+0000415C]
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0x74, 0x20, // je Django.exe+6126E
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0x8D, 0xBC, 0xBD, XX4, // lea edi,[ebp+edi*4+0006410C]
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0x8B, 0x56, 0xB0, // mov edx,[esi-50]
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0xE8, XX4 // call Django.exe+51150 << hook here
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};
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enum
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{
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addr_offset = sizeof(bytes) - 5
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};
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enum { addr_offset = sizeof(bytes) - 5 };
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
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if (!addr) {
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if (!addr)
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{
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ConsoleOutput("Nitroplus2: pattern not found");
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return false;
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}
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HookParam hp;
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hp.address = addr + addr_offset;
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hp.offset=get_reg(regs::edx);
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hp.type = CODEC_ANSI_BE;
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hp.offset = get_reg(regs::edx);
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hp.type = CODEC_ANSI_BE;
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return NewHook(hp, "Nitroplus2");
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}
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bool Nitroplus::attach_function() {
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return InsertNitroplusHook()||InsertNitroplus2Hook();
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}
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namespace
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{
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// DRAMAtical Murder re:connect 普及版
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// https://vndb.org/v10895
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bool dmmdrc()
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{
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// BYTE sig[]={
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// 0xc7,0x04,0x24,0x24,0x53,0x59,0x53,//$SYS
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// 0xc7,0x44,0x24,0x04,0x54,0x45,0x4d,0x5f,//TEM_
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// 0xc7,0x44,0x24,0x08,0x6c,0x61,0x73,0x74,//last
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// 0xc7,0x44,0x24,0x0c,0x5f,0x74,0x65,0x78,//_tex
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// };
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BYTE sig[] = {
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0x8d, 0x89, XX4,
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0x8b, 0xc2,
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0xc1, 0xe8, 0x08,
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0x88, 0x01,
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0x88, 0x51, 0x01,
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0xc6, 0x41, 0x02, 0x00};
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ULONG addr = MemDbg::findBytes(sig, sizeof(sig), processStartAddress, processStopAddress);
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if (!addr)
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return false;
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HookParam hp;
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hp.address = *(DWORD *)(addr + 2);
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hp.type = DIRECT_READ;
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auto succ = NewHook(hp, "dmmdrc");
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BYTE sig2[] = {
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//clang-format off
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0x68, 0x00, 0x02, 0x00, 0x00,
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0xba, XX4,
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0xe8, XX4,
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//clang-format on
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};
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memcpy(sig2 + 6, (void *)(addr + 2), 4);
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addr = MemDbg::findBytes(sig2, sizeof(sig2), addr, addr + 0x100);
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if (addr)
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{
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HookParam hp;
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hp.address = addr + sizeof(sig2);
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hp.type = USING_STRING;
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hp.user_value = 0;
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hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
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{
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*data = stack->edx;
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auto l = strlen((char *)*data);
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if (hp->user_value > l)
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hp->user_value = 0;
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*data += hp->user_value;
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*len = l - hp->user_value;
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hp->user_value = l;
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};
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succ |= NewHook(hp, "dmmdrc2");
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}
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return succ;
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}
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}
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bool Nitroplus::attach_function()
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{
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return InsertNitroplusHook() || InsertNitroplus2Hook() || dmmdrc();
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}
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bool NitroplusSysFilter(LPVOID data, size_t *size, HookParam *)
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{
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auto text = reinterpret_cast<LPSTR>(data);
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auto len = reinterpret_cast<size_t *>(size);
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auto text = reinterpret_cast<LPSTR>(data);
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auto len = reinterpret_cast<size_t *>(size);
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if (*len <= 2) return false;
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if (*len <= 2)
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return false;
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StringFilter(text, len, "\x81@", 2);
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CharReplacer(text, len, '\r', ' ');
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if (cpp_strnstr(text, "<", *len)) {
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StringFilterBetween(text, len, "<", 1, ">", 1);
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}
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while (*len>1 && ::isspace(*text)) {
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::memmove(text, text+1, --(*len));
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}
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StringFilter(text, len, "\x81@", 2);
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CharReplacer(text, len, '\r', ' ');
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if (cpp_strnstr(text, "<", *len))
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{
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StringFilterBetween(text, len, "<", 1, ">", 1);
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}
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while (*len > 1 && ::isspace(*text))
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{
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::memmove(text, text + 1, --(*len));
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}
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return true;
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return true;
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}
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bool InsertNitroplusSysHook() {
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bool InsertNitroplusSysHook()
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{
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/*
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* Sample games:
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* https://vndb.org/r76679
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*/
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* Sample games:
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* https://vndb.org/r76679
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*/
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const BYTE bytes[] = {
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0x0F, 0x84, XX4, // je system.dll+5B8CA <- hook here
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0xEB, 0x04, // jmp system.dll+5A791
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0x8B, 0x44, 0x24, 0x20, // mov eax,[esp+20]
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0x8B, 0x4C, 0x24, 0x24 // mov ecx,[esp+24]
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0x0F, 0x84, XX4, // je system.dll+5B8CA <- hook here
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0xEB, 0x04, // jmp system.dll+5A791
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0x8B, 0x44, 0x24, 0x20, // mov eax,[esp+20]
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0x8B, 0x4C, 0x24, 0x24 // mov ecx,[esp+24]
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};
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HMODULE module = GetModuleHandleW(L"system.dll");
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@ -91,11 +161,12 @@ bool InsertNitroplusSysHook() {
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HookParam hp;
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hp.address = addr;
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hp.offset=get_reg(regs::eax);
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hp.offset = get_reg(regs::eax);
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hp.type = USING_STRING;
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hp.filter_fun = NitroplusSysFilter;
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hp.filter_fun = NitroplusSysFilter;
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return NewHook(hp, "NitroplusSystem");
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}
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bool Nitroplusplus::attach_function(){
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return InsertNitroplusSysHook();
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bool Nitroplusplus::attach_function()
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{
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return InsertNitroplusSysHook();
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}
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@ -358,23 +358,50 @@ void SearchForHooks(SearchParam spUser)
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for (auto& addr : addresses1 = Util::SearchMemory(sp.pattern, sp.length, PAGE_EXECUTE, sp.minAddress, sp.maxAddress))
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addr += sp.offset;
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}
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else if(sp.search_method==1){
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for(uintptr_t addr=sp.minAddress;addr<sp.maxAddress;addr++){
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if(IsBadReadPtr((void*)addr,0x1000)){
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addr+=0x1000-1;
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else if(sp.search_method==1){
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auto checklength=3;
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auto checker=[checklength](DWORD k){
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if (k == 0xcccccccc
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|| k == 0x90909090
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|| k == 0xccccccc3
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|| k == 0x909090c3
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)
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return true;
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DWORD t = k & 0xff0000ff;
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if (t == 0xcc0000c2 || t == 0x900000c2)
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return true;
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if(checklength==4)return false;
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k >>= 8;
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if (k == 0xccccc3 || k == 0x9090c3)
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return true;
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if(checklength==3)return false;
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// t = k & 0xff;
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// if (t == 0xc2)
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// return true;
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k >>= 8;
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if (k == 0xccc3 || k == 0x90c3)
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return true;
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if(checklength==2)return false;
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k >>= 8;
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if (k == 0xc3)
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return true;
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return false;
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};
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for(uintptr_t addr=sp.minAddress& ~0xf;addr<sp.maxAddress;addr+=0x10){
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if(IsBadReadPtr((void*)(addr-0x10),0x110)){
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addr+=0x100-0x10;
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continue;
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}
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if(((*(DWORD*)addr)==0xCCCCCCCC)||((*(DWORD*)addr)==0x90909090)){
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if(((*(BYTE*)(addr+4))!=0xCC)&&(*(BYTE*)(addr+4))!=0x90){
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addresses1.push_back(addr+4);
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}
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}
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}
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auto need=checker(*(DWORD *)(addr-4));
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if (need)
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addresses1.push_back(addr);
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}
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}
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else if(sp.search_method==2){
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for(uintptr_t addr=sp.minAddress;addr<sp.maxAddress;addr++){
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if(IsBadReadPtr((void*)addr,0x1000)){
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addr+=0x1000-1;
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if(IsBadReadPtr((void*)addr,0x100)){
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addr+=0x100-1;
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continue;
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}
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if(((*(BYTE*)addr)==0xe8)){
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