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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| #include "pch.h" | ||
| #include "hook_voice.h" | ||
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| #include "common.h" | ||
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| using namespace std; | ||
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| #define WX_HOOK_VOICE_OFFSET 0xccd561 | ||
| #define WX_HOOK_VOICE_NEXT_OFFSET 0x1f74560 | ||
| #define WX_SELF_ID_OFFSET 0x2E2CD3C | ||
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| static wstring kVoiceStorePath = L""; | ||
| static int kVoiceHooked = FALSE; | ||
| static DWORD kWeChatWinBase = GetWeChatWinBase(); | ||
| static char kOriginVoiceAsmCode[5] = {0}; | ||
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| static DWORD kHookVoiceNextAddress = kWeChatWinBase + WX_HOOK_VOICE_NEXT_OFFSET; | ||
| static DWORD kHookVoiceJmpBackAddress = | ||
| kWeChatWinBase + WX_HOOK_VOICE_OFFSET + 0x5; | ||
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| void OnHookVoice(DWORD buff,int len , DWORD msg_addr) { | ||
| DWORD wxid_addr = GetWeChatWinBase() + WX_SELF_ID_OFFSET; | ||
| string wxid = string(*(char **)wxid_addr, *(DWORD *)(wxid_addr + 0x10)); | ||
| wstring self_id = utf8_to_unicode(wxid.c_str()); | ||
| wstring save_path = kVoiceStorePath + self_id; | ||
| if (!FindOrCreateDirectoryW(save_path.c_str())) { | ||
| return; | ||
| } | ||
| unsigned long long msgid = *(unsigned long long *)(msg_addr + 0x30); | ||
| save_path = save_path + L"\\" + to_wstring(msgid) + L".amr"; | ||
| HANDLE file_handle = CreateFileW(save_path.c_str(), GENERIC_ALL, 0, NULL, | ||
| CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | ||
| if (file_handle == INVALID_HANDLE_VALUE) { | ||
| return; | ||
| } | ||
| DWORD bytes_write = 0; | ||
| WriteFile(file_handle, (LPCVOID)buff, len, &bytes_write, 0); | ||
| CloseHandle(file_handle); | ||
| } | ||
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| /// @brief hook voice implement | ||
| _declspec(naked) void handle_voice() { | ||
| __asm { | ||
| PUSHAD | ||
| PUSHFD | ||
| PUSH EDI | ||
| PUSH EDX | ||
| PUSH EAX | ||
| CALL OnHookVoice | ||
| ADD ESP, 0xC | ||
| POPFD | ||
| POPAD | ||
| CALL kHookVoiceNextAddress | ||
| JMP kHookVoiceJmpBackAddress | ||
| } | ||
| } | ||
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| int HookVoice(std::wstring save_path) { | ||
| kWeChatWinBase = GetWeChatWinBase(); | ||
| if (!kWeChatWinBase) { | ||
| return -1; | ||
| } | ||
| if (kVoiceHooked) { | ||
| return 2; | ||
| } | ||
| kVoiceStorePath = save_path; | ||
| if (kVoiceStorePath.back() != '\\') { | ||
| kVoiceStorePath += L"\\"; | ||
| } | ||
| wstring createpath = kVoiceStorePath.substr(0, kVoiceStorePath.length() - 1); | ||
| if (!FindOrCreateDirectoryW(createpath.c_str())) { | ||
| return -2; | ||
| } | ||
| DWORD hook_voice_addr = kWeChatWinBase + WX_HOOK_VOICE_OFFSET; | ||
| kHookVoiceNextAddress = kWeChatWinBase + WX_HOOK_VOICE_NEXT_OFFSET; | ||
| static DWORD kHookVoiceJmpBackAddress = hook_voice_addr + 0x5; | ||
| HookAnyAddress(hook_voice_addr, (LPVOID)handle_voice, kOriginVoiceAsmCode); | ||
| kVoiceHooked = TRUE; | ||
| return 1; | ||
| } | ||
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| int UnHookVoice() { | ||
| if (!kVoiceHooked) return 1; | ||
| DWORD hook_voice_addr = kWeChatWinBase + WX_HOOK_VOICE_OFFSET; | ||
| UnHookAnyAddress(hook_voice_addr, kOriginVoiceAsmCode); | ||
| kVoiceHooked = FALSE; | ||
| return 1; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| #ifndef HOOK_VOICE_H_ | ||
| #define HOOK_VOICE_H_ | ||
| #include <string> | ||
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| int HookVoice(std::wstring save_path); | ||
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| int UnHookVoice(); | ||
| #endif |