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william |
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using System; |
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using System.Collections.Generic; |
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using System.Text; |
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using System.Runtime.InteropServices; |
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using System.Diagnostics; |
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using System.Security.Principal; |
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namespace libWin32.Win32.Threading |
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{ |
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public class ThreadControl |
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{ |
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[DllImport("kernel32.dll")] |
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static extern IntPtr OpenThread(ThreadAccess dwDesiredAccess, bool bInheritHandle, uint dwThreadId); |
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[DllImport("kernel32.dll")] |
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static extern uint SuspendThread(IntPtr hThread); |
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[DllImport("kernel32.dll")] |
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static extern int ResumeThread(IntPtr hThread); |
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[DllImport("advapi32.dll", SetLastError = true)] |
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public static extern bool OpenProcessToken(IntPtr ProcessHandle, UInt32 DesiredAccess, out IntPtr TokenHandle); |
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[DllImport("kernel32.dll", SetLastError = true)] |
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[return: MarshalAs(UnmanagedType.Bool)] |
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public static extern bool CloseHandle(IntPtr hObject); |
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public static void SuspendProcess(int PID) |
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{ |
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try |
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{ |
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Process proc = Process.GetProcessById(PID); |
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if (proc.ProcessName == string.Empty) return; |
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foreach (ProcessThread pT in proc.Threads) |
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{ |
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IntPtr pOpenThread = OpenThread(ThreadAccess.SUSPEND_RESUME, false, (uint)pT.Id); |
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if (pOpenThread == IntPtr.Zero) { break; } |
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SuspendThread(pOpenThread); |
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} |
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} |
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catch { } |
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} |
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public static void ResumeProcess(int PID) |
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{ |
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try |
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{ |
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Process proc = Process.GetProcessById(PID); |
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if (proc.ProcessName == string.Empty) return; |
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foreach (ProcessThread pT in proc.Threads) |
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{ |
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IntPtr pOpenThread = OpenThread(ThreadAccess.SUSPEND_RESUME, false, (uint)pT.Id); |
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if (pOpenThread == IntPtr.Zero) { break; } |
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ResumeThread(pOpenThread); |
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} |
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} |
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catch { } |
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} |
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public static string GetProcessOwner(IntPtr handle, out bool IsSystem) |
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{ |
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IntPtr ph = IntPtr.Zero; |
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IsSystem = false; |
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try |
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{ |
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ThreadControl.OpenProcessToken(handle, (uint)ThreadAccess.PROCESS_TOKEN_QUERY, out ph); |
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WindowsIdentity wi = new WindowsIdentity(ph); |
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IsSystem = wi.IsSystem; |
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string name = wi.Name; |
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int slash_index = name.IndexOf("\\") + 1; |
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name = name.Remove(0, slash_index); |
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return name; |
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} |
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catch |
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{ |
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// ignore |
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} |
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finally |
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{ |
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if (ph != IntPtr.Zero) { ThreadControl.CloseHandle(ph); } |
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} |
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return ""; |
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} |
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} |
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} |
