Malicious Macro Generator Utility

Simple utility design to generate obfuscated macro that also include a AV / Sandboxes escape mechanism.

Malicious Macro Generator Utility
Malicious Macro Generator Utility


Python 2.7


MMG.Malicious Macro Generator v2.0 - RingZer0 Team
Author: Mr.Un1k0d3r

Usage: [config] [output] (optional -list)

        config  Config file that contain generator information
        output  Output filename for the macro
        -list   List all available payloads and evasion techniques

python configs/generic-cmd.json malicious.vba

Config file

Example of a project config file.

    "description": "Generic command exec payload\nEvasion technique set to domain check",
    "template": "templates/payloads/generic-cmd-evasion-template.vba",
    "varcount": 150,
    "encodingoffset": 4,
    "chunksize": 200,
    "encodedvars":  {
    "vars":     [],
    "evasion":  ["encoder", "domain"],
    "payload": "cmd.exe /c whoami"

Evasion techniques

Domain check

The macro is fetching the USERDOMAIN environment variable and compare the value with a predefined one. If they match the final payload is executed.

Disk check

The macro is looking for the total disk space. VMs and test machines use small disk most of the time.

Memory check

The macro is looking for the total memory size. Vms and test machines use less resources.

Uptime check

The macro is looking for the system uptime. Sandboxes will return a short uptime.

Process check

The macro is checking if a specific process is running (example outlook.exe)


The python script will also generate obfuscated code to avoid heuristic detection


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