mirror of
https://github.com/Artikash/Textractor.git
synced 2024-12-24 01:14:12 +08:00
bugfixes, and remove ntdll for good
This commit is contained in:
Akash Mozumdar
parent
a455869837
commit
2ad278255d
@ -46,7 +46,6 @@ target_compile_options(vnrhook PRIVATE
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)
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set(vnrhook_libs
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ntdll.lib
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Version.lib
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minhook
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)
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@ -8,7 +8,6 @@
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#endif // _MSC_VER
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#include "engine/engine.h"
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#include "ntdll/ntdll.h"
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#include "engine/match.h"
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#include "util/util.h"
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#include "main.h"
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@ -5763,11 +5762,10 @@ int GetShinaRioVersion()
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}
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if (hFile != INVALID_HANDLE_VALUE) {
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IO_STATUS_BLOCK ios;
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//char *buffer,*version;//,*ptr;
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enum { BufferSize = 0x40 };
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char buffer[BufferSize];
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ReadFile(hFile, buffer, BufferSize, nullptr, nullptr);
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ReadFile(hFile, buffer, BufferSize, (DWORD*)buffer, nullptr);
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CloseHandle(hFile);
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if (buffer[0] == '[') {
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buffer[0x3f] = 0; // jichi 8/24/2013: prevent strstr from overflow
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@ -8842,33 +8840,7 @@ AkabeiSoft2Try hook:
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********************************************************************************************/
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namespace { // unnamed
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MEMORY_WORKING_SET_LIST *GetWorkingSet()
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{
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DWORD len,retl;
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NTSTATUS status;
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LPVOID buffer = 0;
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len = 0x4000;
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status = NtAllocateVirtualMemory(GetCurrentProcess(), &buffer, 0, &len, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE);
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if (!NT_SUCCESS(status)) return 0;
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status = NtQueryVirtualMemory(GetCurrentProcess(), 0, MemoryWorkingSetList, buffer, len, &retl);
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if (status == STATUS_INFO_LENGTH_MISMATCH) {
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len = *(DWORD*)buffer;
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len = ((len << 2) & 0xfffff000) + 0x4000;
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retl = 0;
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NtFreeVirtualMemory(GetCurrentProcess(), &buffer, &retl, MEM_RELEASE);
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buffer = 0;
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status = NtAllocateVirtualMemory(GetCurrentProcess(), &buffer, 0, &len, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE);
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if (!NT_SUCCESS(status)) return 0;
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status = NtQueryVirtualMemory(GetCurrentProcess(), 0, MemoryWorkingSetList, buffer, len, &retl);
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if (!NT_SUCCESS(status)) return 0;
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return (MEMORY_WORKING_SET_LIST*)buffer;
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} else {
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retl = 0;
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NtFreeVirtualMemory(GetCurrentProcess(), &buffer, &retl, MEM_RELEASE);
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return 0;
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}
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}
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typedef struct _NSTRING
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{
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PVOID vfTable;
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@ -8897,67 +8869,32 @@ void SpecialHookAB2Try(DWORD esp_base, HookParam *, BYTE, DWORD *data, DWORD *sp
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}
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}
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BOOL FindCharacteristInstruction(MEMORY_WORKING_SET_LIST *list)
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BOOL FindCharacteristInstruction()
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{
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DWORD base, size;
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DWORD i, j, k, addr, retl;
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NTSTATUS status;
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::qsort(&list->WorkingSetList, list->NumberOfPages, 4, cmp);
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base = list->WorkingSetList[0];
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size = 0x1000;
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for (i = 1; i < list->NumberOfPages; i++) {
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if ((list->WorkingSetList[i] & 2) == 0)
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continue;
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if (list->WorkingSetList[i] >> 31)
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break;
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if (base + size == list->WorkingSetList[i])
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size += 0x1000;
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else {
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if (size > 0x2000) {
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addr = base & ~0xfff;
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status = NtQueryVirtualMemory(GetCurrentProcess(),(PVOID)addr,
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MemorySectionName,text_buffer_prev,0x1000,&retl);
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if (!NT_SUCCESS(status)) {
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k = addr + size - 4;
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for (j = addr; j < k; j++) {
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if (*(DWORD*)j == 0x5044b70f) {
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if (*(WORD*)(j + 4) == 0x890c) { // movzx eax, word ptr [edx*2 + eax + 0xC]; wchar = string[i];
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HookParam hp = {};
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hp.address = j;
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hp.text_fun = SpecialHookAB2Try;
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hp.type = USING_STRING|NO_CONTEXT|USING_UNICODE;
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ConsoleOutput("vnreng: INSERT AB2Try");
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NewHook(hp, "AB2Try");
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//ConsoleOutput("Please adjust text speed to fastest/immediate.");
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//RegisterEngineType(ENGINE_AB2T);
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return TRUE;
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}
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}
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}
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}
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}
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size = 0x1000;
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base = list->WorkingSetList[i];
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}
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}
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const BYTE bytes[] = { 0x0F, 0xB7, 0x44, 0x50, 0x0C, 0x89 };
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if (DWORD addr = Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE_READWRITE))
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{
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//GROWL_DWORD(addr);
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HookParam hp = {};
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hp.address = addr;
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hp.text_fun = SpecialHookAB2Try;
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hp.type = USING_STRING | NO_CONTEXT | USING_UNICODE;
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ConsoleOutput("vnreng: INSERT AB2Try");
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NewHook(hp, "AB2Try");
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//ConsoleOutput("Please adjust text speed to fastest/immediate.");
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//RegisterEngineType(ENGINE_AB2T);
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return TRUE;
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}
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return FALSE;
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}
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} // unnamed namespace
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bool InsertAB2TryHook()
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{
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MEMORY_WORKING_SET_LIST *list = GetWorkingSet();
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if (!list) {
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ConsoleOutput("vnreng:AB2Try: cannot find working list");
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return false;
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}
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bool ret = FindCharacteristInstruction(list);
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bool ret = FindCharacteristInstruction();
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if (ret)
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ConsoleOutput("vnreng:AB2Try: found characteristic sequence");
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else
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ConsoleOutput("vnreng:AB2Try: cannot find characteristic sequence");
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//L"Make sure you have start the game and have seen some text on the screen.");
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DWORD size = 0;
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NtFreeVirtualMemory(GetCurrentProcess(), (PVOID *)&list, &size, MEM_RELEASE);
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ConsoleOutput("vnreng:AB2Try: cannot find characteristic sequence. Make sure you have start the game and have seen some text on the screen.");
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return ret;
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}
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@ -87,7 +87,7 @@ bool DeterminePCEngine()
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PcHooks::hookGDIPlusFunctions();
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const char check[] = "sdffffffkjldfjlhjweiumxnvq1204tergdmnxcq1111111111111111111111408t03kxjb40";
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__try { Util::SearchMemory((const BYTE*)check, sizeof(check)); } // Not too sure about the stability of this guy
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__except (1) { ConsoleOutput("NextHooker threw while searching memory (NextHooker will likely still work fine, but please let Artikash know this happened!)"); }
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__except (1) { ConsoleOutput("NextHooker: SearchMemory ERROR (NextHooker will likely still work fine, but please let Artikash know if this happens a lot!)"); }
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return false;
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}
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@ -489,13 +489,6 @@ bool DetermineEngineByProcessName()
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return true;
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}
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// jichi 10/3/2013: FIXME: Does not work
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// Raise C0000005 even with admin priv
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//if (wcsstr(str, L"bsz")) { // BALDRSKY ZERO
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// InsertBaldrHook();
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// return true;
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//}
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if (wcsstr(processName, L"SAISYS") || Util::CheckFile(L"SaiSys.exe")) { // jichi 4/19/2014: Marine Heart
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InsertMarineHeartHook();
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return true;
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@ -558,8 +551,8 @@ bool DetermineEngineOther()
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return true;
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}
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// Artikash 7/16/2018: Uses libuv: likely Tyranobuilder - sample game https://vndb.org/v22975
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if (GetProcAddress(GetModuleHandleW(nullptr), "uv_uptime"))
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// Artikash 7/16/2018: Uses node/libuv: likely Tyranobuilder - sample game https://vndb.org/v22975
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if (GetProcAddress(GetModuleHandleW(nullptr), "uv_uptime") || GetModuleHandleW(L"node.dll"))
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{
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InsertTyranobuilderHook();
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return true;
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@ -850,7 +843,7 @@ bool UnsafeDetermineEngineType()
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|| DetermineEngineByProcessName()
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|| DetermineEngineOther()
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|| DetermineEngineAtLast()
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//|| DetermineEngineGeneric()
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|| DetermineEngineGeneric()
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|| DetermineNoEngine()
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;
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}
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File diff suppressed because it is too large
Load Diff
@ -297,7 +297,7 @@ DWORD Util::SearchMemory(const BYTE* bytes, unsigned short length, DWORD protect
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}
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else
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{
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if (info.Protect > protect && !(info.Protect & PAGE_GUARD)) validMemory.push_back({ (DWORD)info.BaseAddress, info.RegionSize });
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if (info.Protect >= protect && !(info.Protect & PAGE_GUARD)) validMemory.push_back({ (DWORD)info.BaseAddress, info.RegionSize });
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probe += info.RegionSize;
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}
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}
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