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GOAD (Game Of Active Directory)


Description

GOAD is a pentest active directory LAB project. The purpose of this lab is to give pentesters a vulnerable Active directory environment ready to use to practice usual attack techniques.

Warning This lab is extremely vulnerable, do not reuse recipe to build your environment and do not deploy this environment on internet without isolation (this is a recommendation, use it as your own risk).
This repository was build for pentest practice.

Licenses

This lab use free windows VM only (180 days). After that delay enter a license on each server or rebuild all the lab (may be it's time for an update ;))

Available labs

  • GOAD : 5 vms, 2 forests, 3 domains (full goad lab)
GOAD
  • GOAD-Light : 3 vms, 1 forest, 2 domains (smaller goad lab for those with a smaller pc)
GOAD Light
  • NHA : A challenge with 5 vms and 2 domains. no schema provided, you will have to find out how break it.

Requirements

  • Used space

    • The lab takes about 77GB (but you have to get the space for the vms vagrant images windows server 2016 (22GB) / windows server 2019 (14GB) / ubuntu 18.04 (502M))
    • The total space needed for the lab is ~115 GB (and more if you take snapshots)

  • Linux operating system

    • The lab intend to be installed from a Linux host and was tested only on this.
    • Some people have successfully installed the lab from a windows OS, to do that they create the VMs with vagrant and have done the ansible provisioning part from a linux machine.
    • In this case the linux machine used to do the provisioning must be setup with one adapter on NAT and one adapter on the same virtual private network as the lab.

tldr; quick install

  • You are on linux, you already got virtualbox, vagrant and docker installed on your host and you know what you are doing, just run :
./goad.sh -t check -l GOAD -p virtualbox -m docker
./goad.sh -t install -l GOAD -p virtualbox  -m docker
  • Now you can grab a coffee ☕ it will take time :)

Installation

  • Installation depend of the provider you use, please follow the appropriate guide :

  • Installation is in three parts :

    1. Templating : this will create the template to use (needed only for proxmox)
    2. Providing : this will instantiate the virtual machines depending on your provider
    3. Provisioning : it is always made with ansible, it will install all the stuff to create the lab

Check before install

  • For linux users check dependencies installation before install :
./goad -t check -l <LAB> -p <PROVIDER> -m <ANSIBLE_RUN_METHOD>

  • LAB: lab must be one of the following (folder in ad/)

    • GOAD
    • GOAD-Light

  • PROVIDER : provider must be one of the following:

    • virtualbox
    • vmware
    • azure
    • proxmox

  • ANSIBLE_RUN_METHOD : ansible method to use :

    • local : to use local ansible install
    • docker : to use docker ansible install

  • Please install all the needed tools before run the install process

  • There is no automatic installer for the dependencies tools (virtualbox, vagrant, python, ansible,... ) you will have to install them by yourself depending on your package manager an linux system.

Install

  • Launch all the install (vagrant or terraform) vms creation followed by ansible provisioning :
./goad -t install -l <LAB> -p <PROVIDER> -m <ANSIBLE_RUN_METHOD>
  • The goad install will run all the ansible playbook one by one with a failover to restart the ansible playbook if something goes wrong (sometimes vms or playbook hit timeout so this will restart the playbook automatically)

goad.sh options

  • -a : ansible only is played during install task (no vagrant or terraform). This is useful if you install and run vagrant on windows and then launch the provisioning from a different computer (example : a kali linux connected to goad network)
  • -r <ansible_file.yml> : run only one ansible task (useful to run elk.yml or run only one playbook)
  • -e : enable elk in vagrant (example to install elk and play the elk playbook once you finish goad install run : ./goad.sh -t install -l GOAD -p virtualbox -m local -e -r elk.yml)

Provisioning

  • The provisioning is always done with ansible, more detail on the ansible provisioning here : Ansible provisioning

WriteUp

  • All the writeups of the Game Of Active Directory lab are available on this blog : mayfly blog

Troubleshoot

Road Map

  • Password reuse between computer (PTH)
  • Spray User = Password
  • Password in description
  • SMB share anonymous
  • SMB not signed
  • Responder
  • Zerologon
  • Windows defender
  • ASREPRoast
  • Kerberoasting
  • AD Acl abuse
  • Unconstraint delegation
  • Ntlm relay
  • Constrained delegation
  • Install MSSQL
  • MSSQL trusted link
  • MSSQL impersonate
  • Install IIS
  • Upload asp app
  • Multiples forest
  • Anonymous RPC user listing
  • Child parent domain
  • Generate certificate and enable ldaps
  • ADCS - ESC 1/2/3/4/6/8
  • Certifry
  • Samaccountname/nopac
  • Petitpotam unauthent
  • Printerbug
  • Drop the mic
  • Shadow credentials
  • Mitm6
  • Add LAPS
  • GPO abuse
  • Add Webdav
  • Add RDP bot
  • Add full proxmox integration
  • Add Gmsa (receipe created)
  • Add azure support
  • Refactoring lab and providers
  • Protected Users
  • Account is sensitive
  • Add PPL
  • Add Gmsa
  • Groups inside groups
  • Shares with secrets (all, sysvol)
  • ADCS add vulns
  • Add Applocker

Road Map for other labs (because these are too heavy for being embedded in goad)

  • Exchange
  • Wsus
  • Sccm

Lab organization

  • The lab configuration is located on the ad/ folder
  • Each Ad folder correspond to a lab and contains the following files :
ad/
  labname/            # The lab name must be the same as the variable : domain_name from the data/inventory
    data/
      config.json     # The json file containing all the variables and configuration of the lab
      inventory       # The global lab inventory (provider independent) (this should no contains variables)
    files/            # This folder contains files you want to copy on your vms
    scripts/          # This folder contains ps1 scripts you want to play on your vm (Must be added in the "scripts" entries of your vms)
    providers/        # Your lab available provider
      vmware/
        inventory     # specific vmware inventory
        Vagrantfile   # specific vmware vagrantfile
      virtualbox/
        inventory     # specific virtualbox inventory
        Vagrantfile   # specific virtualbox vagrantfile
      proxmox/
        terraform/    # specific proxmox terraform recipe
        inventory     # specific proxmox inventory
      azure/
        terraform/    # specific azure terraform recipe
        inventory     # specific azure inventory

Special Thanks to

  • Julien Arrault (Azure recipes)
  • Thomas Rollain (tests & some vulns writing)
  • Quentin Galliou (tests)

Socials

Twitter Mayfly Join us on Discord

Links

Note