.net login代码求解

sunqv · 发表于 2021-1-10 10:32

小弟刚刚接触.NET 破解，求大神帮忙看下这段代码，dnspy没找到判断登录注册的过程。。。不胜感激

using System;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using Autodesk.AutoCAD.Interop;
using Autodesk.AutoCAD.Interop.Common;
using Microsoft.Win32;

namespace 地下管线
{
// Token: 0x02000002 RID: 2
public class login : Form
{
// Token: 0x06000001 RID: 1 RVA: 0x00002050 File Offset: 0x00000250
public login()
{
this.InitializeComponent();
}

// Token: 0x06000003 RID: 3 RVA: 0x00002278 File Offset: 0x00000478
protected override void Dispose(bool disposing)
{
if (disposing && this.components != null)
{
this.components.Dispose();
}
base.Dispose(disposing);
}

// Token: 0x06000004 RID: 4 RVA: 0x000022B0 File Offset: 0x000004B0
private void InitializeComponent()
{
base.SuspendLayout();
base.AutoScaleDimensions = new SizeF(6f, 12f);
base.AutoScaleMode = AutoScaleMode.Font;
base.ClientSize = new Size(650, 262);
base.MaximizeBox = false;
base.MinimizeBox = false;
base.Name = "login";
base.ShowInTaskbar = false;
base.StartPosition = FormStartPosition.CenterScreen;
base.Load += new EventHandler(this.login_Load);
base.ResumeLayout(false);
}

// Token: 0x06000002 RID: 2 RVA: 0x0000206C File Offset: 0x0000026C
private void login_Load(object sender, EventArgs e)
{
string currentDirectory = Environment.CurrentDirectory;
RegistryKey currentUser = Registry.CurrentUser;
RegistryKey registryKey = currentUser.OpenSubKey("SOFTWARE", true);
RegistryKey registryKey2 = registryKey.OpenSubKey("Autodesk", true);
RegistryKey registryKey3 = registryKey2.OpenSubKey("AutoCAD", true);
RegistryKey registryKey4 = registryKey3.OpenSubKey("R17.1", true);
RegistryKey registryKey5 = registryKey4.OpenSubKey("ACAD-6001:409", true);
RegistryKey registryKey6 = registryKey5.OpenSubKey("Applications", true);
RegistryKey registryKey7 = registryKey5.OpenSubKey("Profiles", true);
RegistryKey registryKey8 = registryKey7.OpenSubKey("<<Unnamed Profile>>", true);
RegistryKey registryKey9 = registryKey8.OpenSubKey("General", true);
string text = registryKey9.GetValue("ACAD").ToString();
text = currentDirectory + ";" + text;
registryKey9.SetValue("ACAD", text);
RegistryKey registryKey10 = registryKey6.CreateSubKey("MXCAD");
registryKey10.SetValue("LOADCTRLS", 2);
registryKey10.SetValue("LOADER", currentDirectory + "\\dataprocess.dll");
registryKey10.SetValue("MANAGED", 1);
this.BackgroundImage = Image.FromFile(Application.StartupPath + "\\image\\WELCOME.JPEG");
base.FormBorderStyle = FormBorderStyle.None;
AcadApplication acadApplication = (AcadApplication)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid("28B7AA99-C0F9-4C47-995E-8A8D729603A1")));
AcadApplication acadApplication2 = acadApplication;
int hWND = acadApplication2.HWND;
WinApi.SetWindowTextA(hWND, "系统");
hWND = acadApplication2.HWND;
string path = acadApplication2.Path;
string startupPath = Application.StartupPath;
string text2 = string.Format("{0}//image//WELCOME.ico", startupPath);
if (File.Exists(text2))
{
int num = WinApi.LoadImageA(0, text2, 1, 16, 16, 16);
if (num != 0)
{
WinApi.SendMessage(hWND, 128, 0, num);
}
}
acadApplication.WindowState = AcWindowState.acMax;
AcadDocument activeDocument = acadApplication.ActiveDocument;
activeDocument.WindowState = AcWindowState.acMax;
AcadModelSpace modelSpace = activeDocument.ModelSpace;
acadApplication.Visible = true;
base.Close();
}

// Token: 0x04000001 RID: 1
private IContainer components = null;
}
}

sunqv · 发表于 2021-1-10 20:42

using System;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using Microsoft.Win32;

namespace DataProcess
{
// Token: 0x02000019 RID: 25
public class FrmReg : Form
{
// Token: 0x0600009E RID: 158 RVA: 0x0001A7C7 File Offset: 0x000189C7
public FrmReg()
{
this.InitializeComponent();
}

// Token: 0x060000A1 RID: 161 RVA: 0x0001A8E0 File Offset: 0x00018AE0
private void btnClose_Click(object sender, EventArgs e)
{
Application.Exit();
}

// Token: 0x060000A0 RID: 160 RVA: 0x0001A808 File Offset: 0x00018A08
private void btnReg_Click(object sender, EventArgs e)
{
try
{
if (this.textRegNum.Text == this.softReg.GetRNum())
{
RegistryKey registryKey = Registry.CurrentUser.OpenSubKey("Software", true).CreateSubKey("wxf").CreateSubKey("wxf.INI").CreateSubKey(this.textRegNum.Text);
registryKey.SetValue("UserName", "Rsoft");
MessageBox.Show("注册成功！重启软件后生效！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
base.Close();
}
else
{
MessageBox.Show("注册码错误！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.textRegNum.SelectAll();
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}

// Token: 0x0600009C RID: 156 RVA: 0x0001A3BC File Offset: 0x000185BC
protected override void Dispose(bool disposing)
{
if (disposing && this.components != null)
{
this.components.Dispose();
}
base.Dispose(disposing);
}

// Token: 0x060000A2 RID: 162 RVA: 0x0001A8E9 File Offset: 0x00018AE9
private void FrmReg_FormClosed(object sender, FormClosedEventArgs e)
{
Application.Exit();
}

// Token: 0x0600009F RID: 159 RVA: 0x0001A7EB File Offset: 0x000189EB
private void FrmReg_Load(object sender, EventArgs e)
{
this.textSerialNum.Text = this.softReg.GetMNum();
}

// Token: 0x0600009D RID: 157 RVA: 0x0001A3F4 File Offset: 0x000185F4
private void InitializeComponent()
{
this.label1 = new Label();
this.label2 = new Label();
this.textSerialNum = new TextBox();
this.textRegNum = new TextBox();
this.btnReg = new Button();
this.btnClose = new Button();
base.SuspendLayout();
this.label1.AutoSize = true;
this.label1.Location = new Point(13, 27);
this.label1.Name = "label1";
this.label1.Size = new Size(53, 12);
this.label1.TabIndex = 0;
this.label1.Text = "序列号：";
this.label2.AutoSize = true;
this.label2.Location = new Point(13, 67);
this.label2.Name = "label2";
this.label2.Size = new Size(53, 12);
this.label2.TabIndex = 1;
this.label2.Text = "注册码：";
this.textSerialNum.Location = new Point(61, 27);
this.textSerialNum.Name = "textSerialNum";
this.textSerialNum.Size = new Size(283, 21);
this.textSerialNum.TabIndex = 2;
this.textRegNum.Location = new Point(61, 67);
this.textRegNum.Multiline = true;
this.textRegNum.Name = "textRegNum";
this.textRegNum.Size = new Size(283, 107);
this.textRegNum.TabIndex = 3;
this.btnReg.Location = new Point(178, 199);
this.btnReg.Name = "btnReg";
this.btnReg.Size = new Size(75, 23);
this.btnReg.TabIndex = 4;
this.btnReg.Text = "注册";
this.btnReg.UseVisualStyleBackColor = true;
this.btnReg.Click += new EventHandler(this.btnReg_Click);
this.btnClose.Location = new Point(269, 199);
this.btnClose.Name = "btnClose";
this.btnClose.Size = new Size(75, 23);
this.btnClose.TabIndex = 5;
this.btnClose.Text = "关闭";
this.btnClose.UseVisualStyleBackColor = true;
this.btnClose.Click += new EventHandler(this.btnClose_Click);
base.AutoScaleDimensions = new SizeF(6f, 12f);
base.AutoScaleMode = AutoScaleMode.Font;
base.ClientSize = new Size(356, 239);
base.Controls.Add(this.btnClose);
base.Controls.Add(this.btnReg);
base.Controls.Add(this.textRegNum);
base.Controls.Add(this.textSerialNum);
base.Controls.Add(this.label2);
base.Controls.Add(this.label1);
base.MaximizeBox = false;
base.MinimizeBox = false;
base.Name = "FrmReg";
base.StartPosition = FormStartPosition.CenterScreen;
this.Text = "注册";
base.FormClosed += new FormClosedEventHandler(this.FrmReg_FormClosed);
base.Load += new EventHandler(this.FrmReg_Load);
base.ResumeLayout(false);
base.PerformLayout();
}

// Token: 0x0400010B RID: 267
private Button btnClose;

// Token: 0x0400010A RID: 266
private Button btnReg;

// Token: 0x04000105 RID: 261
private IContainer components = null;

// Token: 0x04000106 RID: 262
private Label label1;

// Token: 0x04000107 RID: 263
private Label label2;

// Token: 0x0400010C RID: 268
private SoftReg softReg = new SoftReg();

// Token: 0x04000109 RID: 265
private TextBox textRegNum;

// Token: 0x04000108 RID: 264
private TextBox textSerialNum;
}
}

sunqv · 发表于 2021-1-10 20:48

using System;
using System.Management;

namespace DataProcess
{
// Token: 0x0200000C RID: 12
internal class SoftReg
{
// Token: 0x06000054 RID: 84 RVA: 0x0000D22C File Offset: 0x0000B42C
private string GetCpu()
{
string result = null;
ManagementClass managementClass = new ManagementClass("win32_Processor");
ManagementObjectCollection instances = managementClass.GetInstances();
using (ManagementObjectCollection.ManagementObjectEnumerator enumerator = instances.GetEnumerator())
{
while (enumerator.MoveNext())
{
ManagementObject managementObject = (ManagementObject)enumerator.Current;
result = managementObject.Properties["Processorid"].Value.ToString();
}
}
return result;
}

// Token: 0x06000053 RID: 83 RVA: 0x0000D1EC File Offset: 0x0000B3EC
private string GetDiskVolumeSerialNumber()
{
ManagementClass managementClass = new ManagementClass("win32_NetworkAdapterConfiguration");
ManagementObject managementObject = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
managementObject.Get();
return managementObject.GetPropertyValue("VolumeSerialNumber").ToString();
}

// Token: 0x06000055 RID: 85 RVA: 0x0000D2C0 File Offset: 0x0000B4C0
public string GetMNum()
{
string text = this.GetCpu() + this.GetDiskVolumeSerialNumber();
return text.Substring(0, 24);
}

// Token: 0x06000057 RID: 87 RVA: 0x0000D324 File Offset: 0x0000B524
public string GetRNum()
{
this.SetIntCode();
string mNum = this.GetMNum();
for (int i = 1; i < this.charCode.Length; i++)
{
this.charCode[i] = Convert.ToChar(mNum.Substring(i - 1, 1));
}
for (int j = 1; j < this.intNumber.Length; j++)
{
this.intNumber[j] = Convert.ToInt32(this.charCode[j]) + this.intCode[Convert.ToInt32(this.charCode[j])];
}
string text = "";
for (int k = 1; k < this.intNumber.Length; k++)
{
if ((this.intNumber[k] >= 48 && this.intNumber[k] <= 57) || (this.intNumber[k] >= 65 && this.intNumber[k] <= 90) || (this.intNumber[k] >= 97 && this.intNumber[k] <= 122))
{
text += Convert.ToChar(this.intNumber[k]).ToString();
}
else if (this.intNumber[k] > 122)
{
text += Convert.ToChar(this.intNumber[k] - 10).ToString();
}
else
{
text += Convert.ToChar(this.intNumber[k] - 9).ToString();
}
}
return text.Replace("1", "X").Replace("2", "Y").Replace("3", "Z");
}

// Token: 0x06000056 RID: 86 RVA: 0x0000D2F0 File Offset: 0x0000B4F0
private void SetIntCode()
{
for (int i = 1; i < this.intCode.Length; i++)
{
this.intCode[i] = i % 9;
}
}

// Token: 0x0400009A RID: 154
public char[] charCode = new char[25];

// Token: 0x04000099 RID: 153
public int[] intCode = new int[127];

// Token: 0x0400009B RID: 155
public int[] intNumber = new int[25];
}
}

sunqv · 发表于 2021-1-10 10:35

// C:\Users\Administrator\Desktop\DATAPROCESS\DataProcess.dll
// DataProcess, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null

using System;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Autodesk.AutoCAD.Runtime;
using DataProcess;

[assembly: AssemblyVersion("1.0.0.0")]
[assembly: CommandClass(typeof(DataProcess))]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.DisableOptimizations | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue)]
[assembly: AssemblyCompany("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCopyright("Copyright © 2016")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyProduct("CADDataProcess")]
[assembly: AssemblyTitle("CADDataProcess")]
[assembly: AssemblyTrademark("")]
[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: ComVisible(false)]
[assembly: Guid("95361a87-8112-41e8-a60f-067b89eac71a")]

ps122 · 发表于 2021-1-10 11:30

啥都没有，看不出来

zero呆 · 发表于 2021-1-10 11:41

窗体加载的时候读了一堆注册表信息然后重新打开了一个窗口估计这个就是真正的登录窗口吧
AcadApplication acadApplication = (AcadApplication)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid("28B7AA99-C0F9-4C47-995E-8A8D729603A1")));

ps122 · 发表于 2021-1-10 11:49

zero呆发表于 2021-1-10 11:41
窗体加载的时候读了一堆注册表信息然后重新打开了一个窗口估计这个就是真正的登录窗口吧
AcadApplicat ...

这个不是打开cad么

万神fake · 发表于 2021-1-10 13:17

没有什么关键信息，不是在这里

sunqv · 发表于 2021-1-10 15:29

dnspy调试的一般步骤操作怎么操作？

sunqv · 发表于 2021-1-10 20:33

using System;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using Microsoft.Win32;

namespace DataProcess
{
// Token: 0x02000019 RID: 25
public class FrmReg : Form
{
// Token: 0x0600009E RID: 158 RVA: 0x0001A7C7 File Offset: 0x000189C7
public FrmReg()
{
this.InitializeComponent();
}

// Token: 0x060000A1 RID: 161 RVA: 0x0001A8E0 File Offset: 0x00018AE0
private void btnClose_Click(object sender, EventArgs e)
{
Application.Exit();
}

// Token: 0x060000A0 RID: 160 RVA: 0x0001A808 File Offset: 0x00018A08
private void btnReg_Click(object sender, EventArgs e)
{
try
{
if (this.textRegNum.Text == this.softReg.GetRNum())
{
RegistryKey registryKey = Registry.CurrentUser.OpenSubKey("Software", true).CreateSubKey("wxf").CreateSubKey("wxf.INI").CreateSubKey(this.textRegNum.Text);
registryKey.SetValue("UserName", "Rsoft");
MessageBox.Show("注册成功！重启软件后生效！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
base.Close();
}
else
{
MessageBox.Show("注册码错误！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.textRegNum.SelectAll();
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}

// Token: 0x0600009C RID: 156 RVA: 0x0001A3BC File Offset: 0x000185BC
protected override void Dispose(bool disposing)
{
if (disposing && this.components != null)
{
this.components.Dispose();
}
base.Dispose(disposing);

sunqv · 发表于 2021-1-10 20:34

找到这一步了在进去哪里看他的算法啊？

帐号		自动登录	找回密码
密码			注册[Register]

[新手问题] .net login代码求解