| 34 | return true; |
| 35 | } |
| 36 | bool CheckModulePEHeaderFill(HANDLE hProcess, const std::string & szModuleName, PVOID pModuleDump, std::size_t cbHeaderSize) |
| 37 | { |
| 38 | // Disables file system redirection for the calling thread. |
| 39 | PVOID OldValue = NULL; |
| 40 | if (!g_nmApp->DirFunctionsInstance()->ManageFsRedirection(true, nullptr, &OldValue)) |
| 41 | return true; |
| 42 | |
| 43 | auto hFile = g_winapiApiTable->CreateFileA(szModuleName.c_str(), GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); |
| 44 | auto dwLastError = g_winapiApiTable->GetLastError(); |
| 45 | |
| 46 | // Restore file system redirection for the calling thread. |
| 47 | if (!g_nmApp->DirFunctionsInstance()->ManageFsRedirection(false, OldValue, nullptr)) |
| 48 | return true; |
| 49 | |
| 50 | if (!IS_VALID_HANDLE(hFile)) |
| 51 | { |
| 52 | SCANNER_LOG(LL_ERR, "CreateFileA fail! File: '%s' Error: %u", szModuleName.c_str(), dwLastError); |
| 53 | |
| 54 | if (dwLastError != ERROR_ACCESS_DENIED && dwLastError != ERROR_SHARING_VIOLATION) |
| 55 | return false; |
| 56 | return true; |
| 57 | } |
| 58 | |
| 59 | LARGE_INTEGER liFileSize; |
| 60 | if (!GetFileSizeEx(hFile, &liFileSize)) |
| 61 | { |
| 62 | SCANNER_LOG(LL_ERR, "GetFileSizeEx fail! Error: %u", g_winapiApiTable->GetLastError()); |
| 63 | |
| 64 | g_winapiApiTable->CloseHandle(hFile); |
| 65 | return false; |
| 66 | } |
| 67 | |
| 68 | auto pFileBuffer = g_nmApp->DynamicWinapiInstance()->NTHelper()->Alloc(liFileSize.LowPart, __FUNCTION__); |
| 69 | if (!pFileBuffer) |
| 70 | { |
| 71 | SCANNER_LOG(LL_ERR, "Memory can NOT allocated! Error: %u", g_winapiApiTable->GetLastError()); |
| 72 | |
| 73 | g_winapiApiTable->CloseHandle(hFile); |
| 74 | return false; |
| 75 | } |
| 76 | |
| 77 | DWORD dwBytesRead; |
| 78 | if (!ReadFile(hFile, pFileBuffer, liFileSize.LowPart, &dwBytesRead, NULL) || dwBytesRead != liFileSize.LowPart) |
| 79 | { |
| 80 | SCANNER_LOG(LL_ERR, "ReadFile fail! Error: %u", g_winapiApiTable->GetLastError()); |
| 81 | |
| 82 | g_nmApp->DynamicWinapiInstance()->NTHelper()->Free(pFileBuffer); |
| 83 | g_winapiApiTable->CloseHandle(hFile); |
| 84 | return false; |
| 85 | } |
| 86 | |
| 87 | auto pFileIDH = (IMAGE_DOS_HEADER*)pFileBuffer; |
| 88 | if (pFileIDH->e_magic != IMAGE_DOS_SIGNATURE) |
| 89 | { |
| 90 | SCANNER_LOG(LL_ERR, "File dos signature check fail!"); |
| 91 | |
| 92 | g_nmApp->DynamicWinapiInstance()->NTHelper()->Free(pFileBuffer); |
| 93 | g_winapiApiTable->CloseHandle(hFile); |
no test coverage detected