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Cleo


Malware written to target windows machines, easily detectable if you have a good anti-virus however tries to become UD on scantime.

If you encounter an error or issue, make an issue here.
Lastly, if code here is used for something else, give credit where credit is due.

Features

Note: PERSISTENCE IS NOT INCLUDED WITHIN THE CURRENT BUILD

Feature Description
Silence Process is hidden when ran.
Info Grab Grabs ALL important PC information & discord account information.
Persistence Runs at startup & infects discord installation.
Anti VM Checks system manufacturers & names that are virtual machines (exits if detected)
Anti Debug Uses methods to check if program is being debugged. (exits if detected).
Anti Analysis Checks if an analyzing process is open. (exits if detected).
Obfuscation Automatic compile-time string obfuscation.

Build

Steps for building/compiling Cleo yourself.

Dependencies

All dependencies listed can be installed automatically by running the powershell script here.

  • LibCurl - Used by CPR behind the scenes.
  • CPR - Simply a wrapper over LibCurl, used for all HTTP requests in Cleo.
  • JSON Parser - For parsing discord account information.
  • AyObfuscate (xorstr) - Used for hiding important strings.

After installing dependencies, make sure it's all statically linked.
Then, make sure you compile on Release Mode. (x86)
Make an issue here if you get any compilation errors.

Making it FUD on scantime

Make sure all strings related to Discord are obfuscated on compile-time.
- Sign your file.

Make sure not to build with debug information.

Credits

  • Passive
  • Dehoisted - Wrote previous versions of Cleo and the anti-debug + Discord modules

About

C++ malware specifically built to extract Discord authentication tokens and personally identifying information.

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