public static extern bool GetThreadContext(IntPtr hThread, ref CONTEXT64 lpContext);
private static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine($"Usage: {AppDomain.CurrentDomain.FriendlyName} pid|name");
return;
}
Console.WriteLine($"Waiting for process by name or pid {args.First()} ...");
Process process;
do
{
process = Process.GetProcesses().FirstOrDefault(proc => Matches(proc, args.First()));
Thread.Sleep(50);
} while (process == null);
Console.CursorVisible = false;
var lastReport = string.Empty;
var thisReport = new StringBuilder();
while (!process.HasExited)
{
thisReport.AppendLine($"Watching process {process.ProcessName} ({process.Id} | {process.Id:X})");
foreach (ProcessThread thread in process.Threads)
{
thisReport.AppendLine($"Thread {thread.Id:X}");
var threadHandle = NativeFunctions.OpenThread(ThreadAccess.GET_CONTEXT, false, (uint)thread.Id);
if (threadHandle == IntPtr.Zero)
{
thisReport.AppendLine("- Access denied");
continue;
}
try
{
var context = new CONTEXT64 {
ContextFlags = (CONTEXT_FLAGS)0x10
};
if (!NativeFunctions.GetThreadContext(threadHandle, ref context))
{
thisReport.AppendLine("- Context protected");
continue;
}
thisReport.AppendLine($"- Dr0: {context.Dr0,16:X} {ParseDr7(context.Dr7, 0)}");
thisReport.AppendLine($"- Dr1: {context.Dr1,16:X} {ParseDr7(context.Dr7, 1)}");
thisReport.AppendLine($"- Dr2: {context.Dr2,16:X} {ParseDr7(context.Dr7, 2)}");
thisReport.AppendLine($"- Dr3: {context.Dr3,16:X} {ParseDr7(context.Dr7, 3)}");
thisReport.AppendLine($"- Dr6: {context.Dr6,16:X}");
thisReport.AppendLine($"- Dr7: {context.Dr7,16:X}");
}
finally
{
NativeFunctions.CloseHandle(threadHandle);
}
}
var reportString = thisReport.ToString();
thisReport.Clear();
if (reportString != lastReport)
{
Console.Clear();
Console.Write(reportString);
lastReport = reportString;
}
Thread.Sleep(0);
}
}
