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QLoader is a PE loader creator that helps you quickly create a non-exe loader for application

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What is QLoader ?

QLoader is a PE loader creator that helps you quickly create a non-exe loader for application

Features

  • Easy to Create a non-exe Loader to avoid Anti-Virus Detection
  • Easy to Define Patching Patterns under the JSON File Format
  • Easy to Modify Patching Information (Target, Pattern, etc)
  • Support both PE 32-bit & 64-bit
  • Modify direct the created Loader for updating (do not need to Save Project for maintenance)
  • Create Loader as
    • Windows Shortcut .LNK
    • Internet Shortcut .URL
    • HTML Hyperlink qloader: ... (like tel: ..., skype: ..., etc)
  • Patching Methods
    • Fully Loaded
    • At Entry Point
    • Unpacking (TODO Later)

License

Released under the MIT license

Tutorial

Note: Remember to turn on sub-title (CC) when watching

IMAGE_ALT

User Interface

Pattern File (Template)
{
  "name": "this is a name",
  "brief": "this is a brief",
  "modules": [
    {
      "name": "user32.dll",
      "enabled": true,
      "patches": [
        {
          "name": "patch 1",
          "pattern": "11 22 ?? 44",
          "replacement": "12 21",
          "offset": "1h",
          "enabled": false
        },
        {
          "name": "patch 2",
          "pattern": "33 44 ?? ?? 77",
          "replacement": "34 43",
          "offset": "0x2",
          "enabled": true
        }
      ]
    },
    {
      "name": "kernel32.dll",
      "enabled": false,
      "patches": [
        {
          "name": "patch 3",
          "pattern": "55 66",
          "replacement": "56 65",
          "offset": "3",
          "enabled": true
        },
        {
          "name": "patch 4",
          "pattern": "77 88",
          "replacement": "78 87",
          "offset": "4h",
          "enabled": false
        },
        {
          "name": "patch 5",
          "pattern": "99 ?? AA BB CC DD FF",
          "replacement": "90 09",
          "offset": "0x5",
          "enabled": true
        }
      ]
    }
  ]
}

Examples

Screenshots

Sublime Text 4 (4107 - 64-bit)

Cute Video Converter (32-bit application)

Take a look at the test folder to see more examples

Development

Required

Installed Visual Studio C++ 2019 or later

Installed Vutils library

Steps

Step 1. Check the repo by command git clone --recursive https://github.com/vic4key/QLoader.git

Step 2. Open QLoader.sln in MS Visual Studio and start to work

ToDo

  • Support Unpacking patching method that using for complex packed/protected target
  • Support builtin editor or a quick way for adding new patch entry

Contact

Feel free to contact via Twitter / Gmail / Blog / Website

About

QLoader is a PE loader creator that helps you quickly create a non-exe loader for application

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