| 16 | } |
| 17 | |
| 18 | HHOOK InjectExplorerHook(HWND window) noexcept |
| 19 | { |
| 20 | DWORD pid = 0; |
| 21 | const DWORD tid = GetWindowThreadProcessId(window, &pid); |
| 22 | |
| 23 | wil::unique_process_handle proc(OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, false, pid)); |
| 24 | if (!proc) [[unlikely]] |
| 25 | { |
| 26 | return nullptr; |
| 27 | } |
| 28 | |
| 29 | if (!DetourFindRemotePayload(proc.get(), EXPLORER_PAYLOAD, nullptr)) |
| 30 | { |
| 31 | proc.reset(OpenProcess(PROCESS_VM_OPERATION | PROCESS_VM_WRITE, false, pid)); |
| 32 | if (!proc) [[unlikely]] |
| 33 | { |
| 34 | return nullptr; |
| 35 | } |
| 36 | |
| 37 | static constexpr uint32_t content = 0xDEADBEEF; |
| 38 | if (!DetourCopyPayloadToProcess(proc.get(), EXPLORER_PAYLOAD, &content, sizeof(content))) [[unlikely]] |
| 39 | { |
| 40 | return nullptr; |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | return SetWindowsHookEx(WH_CALLWNDPROC, CallWndProc, wil::GetModuleInstanceHandle(), tid); |
| 45 | } |