Пример #1
0
        /// <summary>
        /// Injects a dll into a process by creating a remote thread on LoadLibrary.
        /// </summary>
        /// <param name="hProcess">Handle to the process into which dll will be injected.</param>
        /// <param name="szDllPath">Full path of the dll that will be injected.</param>
        /// <returns>Returns the base address of the injected dll on success, zero on failure.</returns>
        public static uint InjectDllCreateThread(IntPtr hProcess, string szDllPath)
        {
            if (hProcess == IntPtr.Zero)
            {
                throw new ArgumentNullException("hProcess");
            }

            if (szDllPath.Length == 0)
            {
                throw new ArgumentNullException("szDllPath");
            }

            if (!szDllPath.Contains("\\"))
            {
                szDllPath = System.IO.Path.GetFullPath(szDllPath);
            }

            if (!System.IO.File.Exists(szDllPath))
            {
                throw new ArgumentException("DLL not found.", "szDllPath");
            }

            uint   dwBaseAddress = RETURN_ERROR;
            uint   lpLoadLibrary;
            uint   lpDll;
            IntPtr hThread;

            lpLoadLibrary = (uint)Imports.GetProcAddress(Imports.GetModuleHandle("kernel32.dll"), "LoadLibraryA");
            if (lpLoadLibrary > 0)
            {
                lpDll = SMemory.AllocateMemory(hProcess);
                if (lpDll > 0)
                {
                    if (SMemory.WriteASCIIString(hProcess, lpDll, szDllPath))
                    {
                        hThread = SThread.CreateRemoteThread(hProcess, lpLoadLibrary, lpDll);

                        //wait for thread handle to have signaled state
                        //exit code will be equal to the base address of the dll
                        if (SThread.WaitForSingleObject(hThread, 5000) == WaitValues.WAIT_OBJECT_0)
                        {
                            dwBaseAddress = SThread.GetExitCodeThread(hThread);
                        }

                        Imports.CloseHandle(hThread);
                    }

                    SMemory.FreeMemory(hProcess, lpDll);
                }
            }

            return(dwBaseAddress);
        }
Пример #2
0
 /// <summary>
 /// Writes a value to another process' memory.
 /// </summary>
 /// <param name="dwAddress">Address at which value will be written.</param>
 /// <param name="Value">Value that will be written to memory.</param>
 /// <returns>Returns true on success, false on failure.</returns>
 public bool WriteASCIIString(uint dwAddress, string Value)
 {
     return(SMemory.WriteASCIIString(this.m_hProcess, dwAddress, Value));
 }