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feat:内存扫描
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84611a8b33
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11
app/base/src/include/memory.h
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11
app/base/src/include/memory.h
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#ifndef BASE_MEMORY_H_
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#define BASE_MEMORY_H_
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#include <windows.h>
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#include <vector>
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namespace base {
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namespace memory {
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std::vector<INT64> ScanAndMatchValue(INT64 value, INT64 start,int align);
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int sunday(const byte* total, int tlen, const byte* part, int plen);
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}
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} // namespace base
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#endif
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64
app/base/src/memory.cc
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64
app/base/src/memory.cc
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#include "include/memory.h"
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namespace base {
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namespace memory {
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std::vector<INT64> ScanAndMatchValue(INT64 value, INT64 start, int align) {
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SYSTEM_INFO sys_info;
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GetSystemInfo(&sys_info);
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std::vector<INT64> result;
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INT64 min_addr =
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reinterpret_cast<INT64>(sys_info.lpMinimumApplicationAddress);
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INT64 max_addr =
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reinterpret_cast<INT64>(sys_info.lpMaximumApplicationAddress);
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const INT64 page_size = sys_info.dwPageSize;
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min_addr = min_addr > start ? min_addr : start;
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auto current_addr = min_addr;
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MEMORY_BASIC_INFORMATION mem_info = {};
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HANDLE handle = GetCurrentProcess();
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while (current_addr < max_addr) {
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VirtualQueryEx(handle, reinterpret_cast<LPVOID>(current_addr), &mem_info,
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sizeof(MEMORY_BASIC_INFORMATION));
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if ((INT64)mem_info.RegionSize <= 0) {
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break;
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}
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INT64 region_size = mem_info.RegionSize;
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if ((mem_info.State & MEM_COMMIT) == MEM_COMMIT &&
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(mem_info.Protect & PAGE_GUARD) != PAGE_GUARD &&
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(mem_info.Protect & PAGE_NOACCESS) != PAGE_NOACCESS) {
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for (INT64 i = 0; i < region_size; i += align) {
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if (value == *(INT64 *)current_addr) {
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result.push_back(current_addr);
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}
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current_addr += align;
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}
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} else {
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current_addr += region_size;
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}
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}
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return result;
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}
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int sunday(const byte* total, int tlen, const byte* part, int plen) {
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byte move[128] = {0};
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for (int i = 0; i < plen; i++) {
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move[part[i]] = plen - i;
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}
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int s = 0;
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int j;
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while (s <= tlen - plen) {
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j = 0;
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while (total[s + j] == part[j]) {
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j++;
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if (j == plen) {
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return s;
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}
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}
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s += move[total[s + plen]];
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}
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return -1;
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}
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} // namespace memory
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} // namespace base
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