mihawkre's mihawkre

Author:
mihawkre

Language:
.NET

Upload:
2024-11-18 14:22

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Platform:
Windows

Difficulty:
2.2

Quality:
4.4

Arch:
x86-64

Downloads:
13

Writeups:
2

Comments:
14

Description

Let's try to decode the string to get the key

Comments (14)
Writeups (2)

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jewdev on 2024-11-22 00:57: decode base64 and see these keys (if any of these keys entered, you get "Crack success!"): "A1B2C3D4E5F6", "G7H8I9J0K1L2", "M3N4O5P6Q7R8", "S9T0U1V2W3X4", "Y5Z6A7B8C9D0", "E1F2G3H4I5J6", "K7L8M9N0O1P2", "Q3R4S5T6U7V8", "W9X0Y1Z2A3B4", "C5D6E7F8G9H0"

nonameosntt on 2024-11-28 16:50: private List predefinedKeys = new List { "A1B2C3D4E5F6", "G7H8I9J0K1L2", "M3N4O5P6Q7R8", "S9T0U1V2W3X4", "Y5Z6A7B8C9D0", "E1F2G3H4I5J6", "K7L8M9N0O1P2", "Q3R4S5T6U7V8", "W9X0Y1Z2A3B4", "C5D6E7F8G9H0" }; все верные ключи

pwph on 2024-12-01 00:41: Go to MD token 0x04000001 and youll see all the keys in a 64 base form just convert it and youll be fine

veru on 2024-12-04 15:03: [Click to reveal]

ichigone on 2024-12-05 03:59: [Click to reveal]

not.steax on 2024-12-05 15:46: [Click to reveal]source code: using System; using System.Collections.Generic; using System.ComponentModel; using System.Diagnostics; using System.Drawing; using System.Windows.Forms; using Crackme_Level1.Properties; namespace Crackme_Level1 { // Token: 0x02000002 RID: 2 public class Form1 : Form { // Token: 0x06000001 RID: 1 public Form1() { this.InitializeComponent(); } // Token: 0x06000002 RID: 2 private void btnCheckKey_Click(object sender, EventArgs e) { string text = this.txtKeyInput.Text; if (this.predefinedKeys.Contains(text)) { MessageBox.Show("Crack success!", "[*]", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); Form1.StartCmdWithMessage("Hello World! Congratulations on successfully Cracking!"); return; } MessageBox.Show("Key wrong!", "[*]", MessageBoxButtons.OK, MessageBoxIcon.Hand); this.txtKeyInput.Clear(); } // Token: 0x06000003 RID: 3 private static void StartCmdWithMessage(string message) { ProcessStartInfo startInfo = new ProcessStartInfo { FileName = "cmd.exe", Arguments = "/C echo " + message + " && pause", CreateNoWindow = false, UseShellExecute = false }; new Process { StartInfo = startInfo }.Start(); } // Token: 0x06000004 RID: 4 private void btnExit_Click(object sender, EventArgs e) { Application.Exit(); } // Token: 0x06000005 RID: 5 protected override void Dispose(bool disposing) { if (disposing && this.components != null) { this.components.Dispose(); } base.Dispose(disposing); } // Token: 0x06000006 RID: 6 private void InitializeComponent() { ComponentResourceManager componentResourceManager = new ComponentResourceManager(typeof(Form1)); this.btnCheckKey = new Button(); this.btnExit = new Button(); this.pictureBox1 = new PictureBox(); this.label1 = new Label(); this.label2 = new Label(); this.txtKeyInput = new TextBox(); ((ISupportInitialize)this.pictureBox1).BeginInit(); base.SuspendLayout(); this.btnCheckKey.BackColor = Color.Black; this.btnCheckKey.ForeColor = Color.White; this.btnCheckKey.Location = new Point(12, 114); this.btnCheckKey.Name = "btnCheckKey"; this.btnCheckKey.Size = new Size(75, 23); this.btnCheckKey.TabIndex = 1; this.btnCheckKey.Text = "Login"; this.btnCheckKey.UseVisualStyleBackColor = false; this.btnCheckKey.Click += this.btnCheckKey_Click; this.btnExit.BackColor = Color.Black; this.btnExit.ForeColor = Color.White; this.btnExit.Location = new Point(165, 114); this.btnExit.Name = "btnExit"; this.btnExit.Size = new Size(75, 23); this.btnExit.TabIndex = 2; this.btnExit.Text = "Exit"; this.btnExit.UseVisualStyleBackColor = false; this.btnExit.Click += this.btnExit_Click; this.pictureBox1.Image = Resources.www_0x01; this.pictureBox1.Location = new Point(12, 0); this.pictureBox1.Name = "pictureBox1"; this.pictureBox1.Size = new Size(228, 82); this.pictureBox1.SizeMode = PictureBoxSizeMode.Zoom; this.pictureBox1.TabIndex = 3; this.pictureBox1.TabStop = false; this.label1.AutoSize = true; this.label1.Font = new Font("Microsoft Sans Serif", 8.25f, FontStyle.Bold, GraphicsUnit.Point, 0); this.label1.ForeColor = Color.White; this.label1.Location = new Point(9, 91); this.label1.Name = "label1"; this.label1.Size = new Size(78, 13); this.label1.TabIndex = 4; this.label1.Text = "Your key is: "; this.label2.AutoSize = true; this.label2.ForeColor = Color.White; this.label2.Location = new Point(-2, 152); this.label2.Name = "label2"; this.label2.Size = new Size(117, 13); this.label2.TabIndex = 5; this.label2.Text = "Created by @mihawk_re"; this.txtKeyInput.Location = new Point(91, 89); this.txtKeyInput.Name = "txtKeyInput"; this.txtKeyInput.Size = new Size(147, 20); this.txtKeyInput.TabIndex = 6; base.AutoScaleDimensions = new SizeF(6f, 13f); base.AutoScaleMode = AutoScaleMode.Font; base.AutoSizeMode = AutoSizeMode.GrowAndShrink; this.BackColor = Color.Black; base.ClientSize = new Size(252, 165); base.Controls.Add(this.txtKeyInput); base.Controls.Add(this.label2); base.Controls.Add(this.label1); base.Controls.Add(this.pictureBox1); base.Controls.Add(this.btnExit); base.Controls.Add(this.btnCheckKey); base.Icon = (Icon)componentResourceManager.GetObject("$this.Icon"); base.MaximizeBox = false; base.MinimizeBox = false; base.Name = "Form1"; base.StartPosition = FormStartPosition.CenterScreen; this.Text = "Crackme 1.0"; ((ISupportInitialize)this.pictureBox1).EndInit(); base.ResumeLayout(false); base.PerformLayout(); } // Token: 0x04000001 RID: 1 private List predefinedKeys = new List { "A1B2C3D4E5F6", "G7H8I9J0K1L2", "M3N4O5P6Q7R8", "S9T0U1V2W3X4", "Y5Z6A7B8C9D0", "E1F2G3H4I5J6", "K7L8M9N0O1P2", "Q3R4S5T6U7V8", "W9X0Y1Z2A3B4", "C5D6E7F8G9H0" }; // Token: 0x04000002 RID: 2 private IContainer components; // Token: 0x04000003 RID: 3 private Button btnCheckKey; // Token: 0x04000004 RID: 4 private Button btnExit; // Token: 0x04000005 RID: 5 private PictureBox pictureBox1; // Token: 0x04000006 RID: 6 private Label label1; // Token: 0x04000007 RID: 7 private Label label2; // Token: 0x04000008 RID: 8 private TextBox txtKeyInput; } }

Zero09 on 2024-12-06 02:33: 10 random password example: G7H8I9J0K1L2

loksuu on 2024-12-06 17:58: [Click to reveal]

suce on 2024-12-11 10:43: [Click to reveal]

MarcusHindey on 2024-12-20 17:35: [Click to reveal]

BUFFYbuff on 2024-12-21 17:16: bro what the compressed file password ?

vjlu on 2024-12-23 19:10: [Click to reveal]

pkhanh on 2025-01-13 08:51: tutorial - using dnspy find bool flag = this.predefinedKeys.Contains(text); set bool flag = true; easiest crack

yvz on 2025-12-03 14:22: [Click to reveal]

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Solution by wepinek on 2024-12-31 10:06:
Simple dnSpy knowledge

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Solution by Vanzen on 2025-02-17 00:18:
Pretty simple, "find the key in the code and plug it in" kind of problem.

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crackmes.one

crackmes.one

mihawkre's mihawkre