[英]C++ memory address and offset reading - 64 Bit
我在尝试计算带有偏移量的内存地址时遇到了一些麻烦。
注意:我可以做 32 位,但我需要使用 64 位地址。
我的示例是这个地址:0x000002586F08CE30,偏移量为 0x88。 当我得到这个添加时,它的地址是:0x2586F08CEB8,而它应该是:0x25825C4C880
我试过这个:
void aVoid()
{
DWORD64* add = (DWORD64*)0x000002586F08CE30;
cout << add << endl;
DWORD64* off = (DWORD64*)0x88;
cout << off << endl;
DWORD64* BaseTimeAddress = (DWORD64*)((char*)add + (DWORD64)off);
cout << BaseTimeAddress << endl; // Gets 000002586F08CEB8
}
我在哪里得到 0x25825C4C880:( https://i.stack.imgur.com/5K4eP.png )
完整代码
#include <iostream>
#include <windows.h>
#include <string>
#include <vector>
#include <tchar.h>
#include <stdlib.h>
#include <tlhelp32.h>
`
using namespace std;
DWORD GetModuleBaseAddress(TCHAR* lpszModuleName, DWORD pID) {
DWORD dwModuleBaseAddress = 0;
HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, pID); // make snapshot of all modules within process
MODULEENTRY32 ModuleEntry32 = { 0 };
ModuleEntry32.dwSize = sizeof(MODULEENTRY32);
if (Module32First(hSnapshot, &ModuleEntry32)) //store first Module in ModuleEntry32
{
do {
if (_tcscmp(ModuleEntry32.szModule, lpszModuleName) == 0) // if Found Module matches Module we look for -> done!
{
dwModuleBaseAddress = (DWORD_PTR)ModuleEntry32.modBaseAddr;
break;
}
} while (Module32Next(hSnapshot, &ModuleEntry32)); // go through Module entries in Snapshot and store in ModuleEntry32
}
CloseHandle(hSnapshot);
return dwModuleBaseAddress;
}
DWORD GetPointerAddress(HWND hwnd, DWORD gameBaseAddr, DWORD address, vector<DWORD> offsets)
{
DWORD pID = NULL; // Game process ID
GetWindowThreadProcessId(hwnd, &pID);
HANDLE phandle = NULL;
phandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pID);
if (phandle == INVALID_HANDLE_VALUE || phandle == NULL);
DWORD offset_null = NULL;
ReadProcessMemory(phandle, (LPVOID*)(gameBaseAddr + address), &offset_null, sizeof(offset_null), 0);
DWORD pointeraddress = offset_null; // the address we need
for (int i = 0; i < offsets.size() - 1; i++) // we dont want to change the last offset value so we do -1
{
ReadProcessMemory(phandle, (LPVOID*)(pointeraddress + offsets.at(i)), &pointeraddress, sizeof(pointeraddress), 0);
//cout << "ADD: " << &pointeraddress << endl;
}
return pointeraddress += offsets.at(offsets.size() - 1); // adding the last offset
}
#include <Psapi.h>
DWORD_PTR GetProcessBaseAddress(DWORD processID)
{
DWORD_PTR baseAddress = 0;
HANDLE processHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, processID);
HMODULE* moduleArray;
LPBYTE moduleArrayBytes;
DWORD bytesRequired;
if (processHandle)
{
if (EnumProcessModules(processHandle, NULL, 0, &bytesRequired))
{
if (bytesRequired)
{
moduleArrayBytes = (LPBYTE)LocalAlloc(LPTR, bytesRequired);
if (moduleArrayBytes)
{
unsigned int moduleCount;
moduleCount = bytesRequired / sizeof(HMODULE);
moduleArray = (HMODULE*)moduleArrayBytes;
if (EnumProcessModules(processHandle, moduleArray, bytesRequired, &bytesRequired))
{
baseAddress = (DWORD_PTR)moduleArray[0];
}
LocalFree(moduleArrayBytes);
}
}
}
CloseHandle(processHandle);
}
return baseAddress;
}
int main() {
//HWND hWnd = FindWindowA(NULL, "Halo Wars: Definitive Edition");
//char gameModule1[] = "xgameFinal.exe";
DWORD64 address = 0x00000258722B0AB0;
float nVal = 2000;
HWND hWnd = FindWindowA(0, "Halo Wars: Definitive Edition");
if (hWnd == 0) {
cerr << "Could not find window." << endl;
}
else {
DWORD PID;
GetWindowThreadProcessId(hWnd, &PID);
HANDLE hProc = OpenProcess(PROCESS_ALL_ACCESS, false, PID);
if (!hProc) {
cerr << "Cannot open process." << endl;
}
else {
DWORD64* add = (DWORD64*)0x000002586F08CE30;
cout << add << endl;
DWORD64* off = (DWORD64*)0x88;
cout << off << endl;
DWORD64* BaseTimeAddress = (DWORD64*)((char*)add + (DWORD64)off);
cout << BaseTimeAddress << endl;
DWORD64* com = (DWORD64*)add;
cout << com << endl;
//cout << &add << endl;
DWORD_PTR baseAddr2 = GetProcessBaseAddress(PID);
cout << "base" << &baseAddr2 << endl;
cout << "base"<<baseAddr2 << endl;
cout << "base" <<hex<< baseAddr2 << endl;
DWORD64 offset_null = NULL;
DWORD64 add2 = ReadProcessMemory(hWnd, (LPVOID*)(baseAddr2 + 0x014FA250), &offset_null, sizeof(offset_null), 0);
cout << &add2 << endl;
cout << &offset_null << endl;
ReadProcessMemory(hWnd, (LPVOID*)(baseAddr2 + 0x014FA250 + 0x88+0x8+0x110), &offset_null, sizeof(offset_null), 0);
cout << &offset_null << endl;
cout << "END";
char gameModule1[] = "xgameFinal.exe";
DWORD_PTR baseAddr1 = GetProcessBaseAddress(PID);
cout << hex << baseAddr1 << endl;
cout << &baseAddr1 << endl;
DWORD64 baseAddr = GetModuleBaseAddress(_T(gameModule1), PID);
/*
char gameModule1[] = "ac_client.exe";
DWORD baseAddr = GetModuleBaseAddress(_T(gameModule1), procID);
DWORD pointsAddr = 0x0018AC00;
vector<DWORD> pointsOffesets = { 0x11C };
//cout << std::hex << pointsAddr << endl;
DWORD pointsPtrAddr = GetPointerAddress(hWnd, baseAddr, pointsAddr, pointsOffesets);
//010FF974
//cout << pointsPtrAddr << endl << &pointsPtrAddr << endl;
int val = 1;
ReadProcessMemory(handle, (LPVOID*)(pointsPtrAddr), &val, sizeof(val), 0);
cout << "Value: " << val << endl;
cout << "Pointer Address: " << std::hex << pointsPtrAddr << endl;
cout << "WORKS";
//"xgameFinal.exe"+016208B0
*/
/* DWORD64* BaseAddress = (DWORD64*)GetModuleHandle(NULL);
DWORD64* address = (DWORD64*)((char*)BaseAddress + 0x014FA250);
address = (DWORD64*)((char*)*address + 0x88 + 0x8 + 0x110);
float currentTime = *(float*)address;
cout << currentTime;
cout << "END";
*/
ReadProcessMemory(hProc, (LPVOID)address, &nVal, (DWORD64)sizeof(nVal), NULL);
cout << nVal;
CloseHandle(hProc);
cin.get();
}
}
return 0;
}
`
DWORD64* BaseTimeAddress = (DWORD64*)((char*)add + (DWORD64)off);
通过执行(char*)add
,您可以让+
运算符在 char 中添加一个偏移量。 字符是 1 个字节。 像这样,
0x000002586F08CE30 + 0x88 = 0x2586F08CEB8
是正确的。 您指定的其他地址已完全关闭。 你从哪里弄来的?
在您链接的图像中,有一个类型字段。 您可能需要将您的行更改为类型转换为这种类型:
DWORD64* BaseTimeAddress = (DWORD64*)((float*)add + (DWORD64)off);
这意味着:偏移add
, off
float
的数量。 但是,这种对指针的低级修改很容易导致 C++ 中的未定义行为,除非您非常小心。 您需要了解reinterpret_cast
及其局限性。
我想到了。 我确实想感谢@Jeffrey 和@RaymondChen,因为他们的帖子帮助我更好地思考了这个问题。
所以很快我会在下面发布代码,然后再解释一下:
void code()
{
/*1*/ DWORD64* test6 = (DWORD64*)0x2586F08CE30; cout << test6 << endl;
/*2*/ DWORD64* test7 = (DWORD64*)0x88; cout << test7 << endl;
/*3*/ DWORD64* test8;
/*4*/ DWORD64* test9;
/*5*/ ReadProcessMemory(hProc, (LPVOID*)((DWORD64)test6+ (DWORD64)test7), &test8, sizeof(test8), 0);
/*6*/ ReadProcessMemory(hProc, (LPVOID*)((DWORD64)test8 + (DWORD64)0x8), &test9, sizeof(test9), 0);
/*7*/ DWORD64* test2 = (DWORD64*)0x110;
/*8*/ //cout << test2 << endl;
/*9*/ DWORD64* test3 = (DWORD64*)((char*)test9 + (DWORD64)test2);
/*10*/ //cout << test3 << endl;
/*11*/ float currentTime = 0;
/*12*/ ReadProcessMemory(hProc, (LPVOID*)test3, ¤tTime, sizeof(currentTime), 0);
/*13*/ //cout << test3 << endl;
/*14*/ cout << currentTime << endl;
}
这是来自作弊引擎的图像,其中包含所有数据: https ://i.stack.imgur.com/5K4eP.png
所以我从现在从作弊引擎获得的 0x2586F08CE30 开始,但是“xgameFinal.exe”+014FA250 = 0x2586F08CE30
所以接下来我需要获取该地址并将其与偏移量 0x88 组合,在第 5 行我这样做了。
接下来是从 test8 中获取该地址并组合偏移量 0x8。 (@第 6 行)
接下来是最后一个偏移量(0x110),这是@RaymondChen 评论帮助我的地方。
屏幕截图显示 [2586F08CE30 + 88] 但你计算了 2586F08CE30 + 88。 – Raymond Chen
所以在第 9 行是我获得最终地址和值的地方。
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