对比不同的主流保护工具，针对 dnSpy 反编译出的效果。
非混淆代码：
using System;using System.ComponentModel;using System.Drawing;using System.Windows.Forms;namespace test_winform{// Token: 0x02000002 RID: 2public class Form1 : Form{// Token: 0x06000001 RID: 1 RVA: 0x00002050 File Offset: 0x00000250public Form1(){this.InitializeComponent();}// Token: 0x06000002 RID: 2 RVA: 0x0000207A File Offset: 0x0000027Aprivate void button1_Click(object sender, EventArgs e){MessageBox.Show("123");}// Token: 0x06000003 RID: 3 RVA: 0x00002088 File Offset: 0x00000288protected override void Dispose(bool disposing){bool flag = disposing && this.components != null;if (flag){this.components.Dispose();}base.Dispose(disposing);}// Token: 0x06000004 RID: 4 RVA: 0x000020C0 File Offset: 0x000002C0private void InitializeComponent(){this.button1 = new Button();base.SuspendLayout();this.button1.locations = new Point(394, 156);this.button1.Name = "button1";this.button1.Size = new Size(75, 23);this.button1.TabIndex = 0;this.button1.Text = "button1";this.button1.UseVisualStyleBackColor = true;this.button1.Click += this.button1_Click;base.AutoScaleDimensions = new SizeF(6f, 12f);base.AutoScaleMode = AutoScaleMode.Font;base.ClientSize = new Size(800, 450);base.Controls.Add(this.button1);base.Name = "Form1";this.Text = "Form1";base.ResumeLayout(false);}// Token: 0x04000001 RID: 1private int a = 1;// Token: 0x04000002 RID: 2private string b = "asd";// Token: 0x04000003 RID: 3private IContainer components = null;// Token: 0x04000004 RID: 4private Button button1;}} eazfuscator 混淆下载安装，网上有基于 2018 的破解版，需要最新功能就购买正版。安装后如果提示这个错误：
Unable to find tool "ildasm.exe". Ensure .NET Framework SDK is installed.就用 everything 搜一下这个文件，然后放在 eazfuscator 的根目录即可： 混淆效果
using System;using System.ComponentModel;using System.Drawing;using System.Windows.Forms;// Token: 0x02000018 RID: 24public sealed class u0008u2000 : Form{// Token: 0x0600003D RID: 61 RVA: 0x0000313C File Offset: 0x0000133Cpublic u0008u2000(){this.u0002();}// Token: 0x0600003E RID: 62 RVA: 0x00003168 File Offset: 0x00001368private void u0002(object u0002, EventArgs u0003){MessageBox.Show(u000Fu2000.u0002(1645278435));}// Token: 0x0600003F RID: 63 RVA: 0x0000317C File Offset: 0x0000137Cprotected override void Dispose(bool u0002){bool flag = u0002 && this.u0005 != null;if (flag){this.u0005.Dispose();}base.Dispose(u0002);}// Token: 0x06000040 RID: 64 RVA: 0x000031B0 File Offset: 0x000013B0private void u0002(){this.u0008 = new Button();base.SuspendLayout();this.u0008.locations = new Point(394, 156);this.u0008.Name = u000Fu2000.u0002(1645278441);this.u0008.Size = new Size(75, 23);this.u0008.TabIndex = 0;this.u0008.Text = u000Fu2000.u0002(1645278441);this.u0008.UseVisualStyleBackColor = true;this.u0008.Click += this.u0002;base.AutoScaleDimensions = new SizeF(6f, 12f);base.AutoScaleMode = AutoScaleMode.Font;base.ClientSize = new Size(800, 450);base.Controls.Add(this.u0008);base.Name = u000Fu2000.u0002(1645278235);this.Text = u000Fu2000.u0002(1645278235);base.ResumeLayout(false);}// Token: 0x0400000C RID: 12private int u0002 = 1;// Token: 0x0400000D RID: 13private string u0003 = u000Fu2000.u0002(1645278461);// Token: 0x0400000E RID: 14private IContainer u0005 = null;// Token: 0x0400000F RID: 15private Button u0008;} Dotfuscator 混淆配置参考：http://www.cnblogs.com/tianguook/archive/2012/10/06/2713105.html
混淆效果
using System;using System.ComponentModel;using System.Drawing;using System.Windows.Forms;// Token: 0x02000003 RID: 3public class a : Form{// Token: 0x06000005 RID: 5 RVA: 0x000020B4 File Offset: 0x000002B4public a(){int bxt_1235 = 14;this.ᜀ = 1;this.ᜁ = a.b("吴䐶崸", bxt_1235);this.ᜂ = null;base..ctor();this.ᜀ();}// Token: 0x06000006 RID: 6 RVA: 0x000020FC File Offset: 0x000002FCprivate void ᜀ(object A_0, EventArgs A_1){int bxt_1241 = 11;short num = (short)310378496;short num2 = num;num = (short)445213688;short num3 = num;num = (short)1576758264;switch (num3 == num){}num = (short)2146107393;if (num != 0){}num = (short)1721237504;if (num != 0){}MessageBox.Show(a.b("̱سԵ", bxt_1241));}// Token: 0x06000007 RID: 7 RVA: 0x000021C4 File Offset: 0x000003C4protected override void Dispose(bool disposing){switch (0){case 0:goto IL_2C;}int SW_LOCALVAR;short num;for (;;){IL_0A:bool flag;bool flag2;switch (SW_LOCALVAR){case 0:num = (short)2070282241;if (num != 0){}num = (short)532611077;SW_LOCALVAR = (int)((IntPtr)num);continue;case 1:if (disposing){num = (short)62652416;SW_LOCALVAR = (int)((IntPtr)num);continue;}num = (short)1510670339;SW_LOCALVAR = (int)((IntPtr)num);continue;case 2:goto IL_F7;case 3:flag = false;goto IL_FC;case 4:this.ᜂ.Dispose();num = (short)703332354;SW_LOCALVAR = (int)((IntPtr)num);continue;case 5:flag = (this.ᜂ != null);goto IL_FC;case 6:if (flag2){num = (short)2086338564;SW_LOCALVAR = (int)((IntPtr)num);continue;}goto IL_19E;}goto IL_2C;IL_FC:flag2 = flag;num = (short)1361661929;short num2 = num;num = (short)547377129;switch ((num2 == num) ? 1 : 0){case 0:case 2:goto IL_2C;default:num = (short)1285357568;if (num != 0){}num = (short)174129158;SW_LOCALVAR = (int)((IntPtr)num);break;}}IL_F7:IL_19E:base.Dispose(disposing);return;IL_2C:num = (short)1859125248;short num3 = num;num = (short)108331009;SW_LOCALVAR = (int)((IntPtr)num);goto IL_0A;}// Token: 0x06000008 RID: 8 RVA: 0x00002378 File Offset: 0x00000578private void ᜀ(){int bxt_1243 = 1;short num = (short)1557069824;short num2 = num;num = (short)2136700257;short num3 = num;num = (short)389313889;switch (num3 == num){}num = (short)1568669696;if (num != 0){}num = (short)652345345;if (num != 0){}this.ᜃ = new Button();base.SuspendLayout();this.ᜃ.locations = new Point(394, 156);this.ᜃ.Name = a.b("䨧弩堫娭弯就Գ", bxt_1243);this.ᜃ.Size = new Size(75, 23);this.ᜃ.TabIndex = 0;this.ᜃ.Text = a.b("䨧弩堫娭弯就Գ", bxt_1243);this.ᜃ.UseVisualStyleBackColor = true;this.ᜃ.Click += this.ᜀ;base.AutoScaleDimensions = new SizeF(6f, 12f);base.AutoScaleMode = AutoScaleMode.Font;base.ClientSize = new Size(800, 450);base.Controls.Add(this.ᜃ);base.Name = a.b("渧䔩師䌭į", bxt_1243);this.Text = a.b("渧䔩師䌭į", bxt_1243);base.ResumeLayout(false);}// Token: 0x06000009 RID: 9 RVA: 0x00002550 File Offset: 0x00000750internal static string b(string A_0, int A_1){char[] array = A_0.ToCharArray();int num = (int)((IntPtr)(1927699470 + A_1) + (IntPtr)44 + (IntPtr)14 + (IntPtr)52 + (IntPtr)83 + (IntPtr)87);int num3;int num2;if ((num2 = (num3 = 0)) > 8) ^ num++);byte b3 = b2;b2 = b;b = b3;array2[num6] = (ushort)((int)b2