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replace hook=3 with GetProcAddress hook

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This commit is contained in:
FunkyFr3sh 2023-08-06 09:09:38 +02:00
parent fb835c617e
commit 6c3790cd24
5 changed files with 68 additions and 34 deletions
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4
inc/hook.h
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@ -6,7 +6,6 @@
#define SKIP_HOOK2 0x00000001l
#define SKIP_HOOK3 0x00000002l
typedef struct HOOKLISTDATA { char function_name[32]; PROC new_function; PROC* function; DWORD flags; } HOOKLISTDATA;
typedef struct HOOKLIST { char module_name[32]; HOOKLISTDATA data[30]; } HOOKLIST;
@ -54,6 +53,7 @@ typedef HMODULE(WINAPI* LOADLIBRARYAPROC)(LPCSTR);
typedef HMODULE(WINAPI* LOADLIBRARYWPROC)(LPCWSTR);
typedef HMODULE(WINAPI* LOADLIBRARYEXAPROC)(LPCSTR, HANDLE, DWORD);
typedef HMODULE(WINAPI* LOADLIBRARYEXWPROC)(LPCWSTR, HANDLE, DWORD);
typedef FARPROC(WINAPI* GETPROCADDRESSPROC)(HMODULE, LPCSTR);
typedef BOOL(WINAPI* GETDISKFREESPACEAPROC)(LPCSTR, LPDWORD, LPDWORD, LPDWORD, LPDWORD);
typedef HRESULT(WINAPI* COCREATEINSTANCEPROC)(REFCLSID, LPUNKNOWN, DWORD, REFIID, LPVOID*);
typedef LPTOP_LEVEL_EXCEPTION_FILTER(WINAPI* SETUNHANDLEDEXCEPTIONFILTERPROC)(LPTOP_LEVEL_EXCEPTION_FILTER);
@ -94,12 +94,14 @@ extern LOADLIBRARYAPROC real_LoadLibraryA;
extern LOADLIBRARYWPROC real_LoadLibraryW;
extern LOADLIBRARYEXAPROC real_LoadLibraryExA;
extern LOADLIBRARYEXWPROC real_LoadLibraryExW;
extern GETPROCADDRESSPROC real_GetProcAddress;
extern GETDISKFREESPACEAPROC real_GetDiskFreeSpaceA;
extern COCREATEINSTANCEPROC real_CoCreateInstance;
extern SETUNHANDLEDEXCEPTIONFILTERPROC real_SetUnhandledExceptionFilter;
extern int g_hook_method;
extern BOOL g_hook_active;
extern HOOKLIST g_hook_hooklist[];
void hook_init(BOOL initial_hook);
void hook_exit();

1
inc/winapi_hooks.h
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@ -47,6 +47,7 @@ HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName);
HMODULE WINAPI fake_LoadLibraryW(LPCWSTR lpLibFileName);
HMODULE WINAPI fake_LoadLibraryExA(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
HMODULE WINAPI fake_LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
FARPROC WINAPI fake_GetProcAddress(HMODULE hModule, LPCSTR lpProcName);
BOOL WINAPI fake_GetDiskFreeSpaceA(
LPCSTR lpRootPathName,