AD Enum: Exploit Misconfiguration through the Protocol LDAP

AD Enum is a pentesting tool that allows to find misconfiguration through the the protocol LDAP and exploit some of those weaknesses with kerberos.

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usage: EnumADAuth.py -d [domain] -u [username] -p [password]

Pentest tool that detect misconfig in AD with LDAP

optional arguments:
  -h, --help       show this help message and exit
  -d  [domain]     The name of domain (e.g. "test.local")
  -u  [username]   The user name
  -p  [password]   The user password
  -ip [ipAddress]  The IP address of the server (e.g. "1.1.1.1")
  -j               Enable hash cracking (john)
  -jp [path]       John binary path
  -w  [wordList]   The path of the wordlist to be used john (Default: /usr/share/seclists/Passwords/Leaked-Databases/rockyou.txt
  -v, --version    Show program's version number and exit
  -s               Use LDAP with SSL

Requirement

• Impacket (https://github.com/SecureAuthCorp/impacket)
• John (https://github.com/openwall/john)
• Python 3
• pip3:

 $ pip install -r requirements.txt

Features and Functionality

LDAP:

• Enum Domain Admin users
• Enum Domain Controllers
• Enum Domain users with Password Not Expire
• Enum Domain users with old password
• Enum Domain users with interesting description
• Enum Domain users with not the default encryption
• Enum Domain users with Protecting Privileged Domain Accounts

Kerberos:

• AS-REP Roastable
• Kerberoastable
• Password cracking with john (krb5tgs and krb5asrep)

Demo

Microsoft Advanced Threat Analytics

ATA detects two supisous events but does not trigger an alert:

• The connection in LDAP without SSL
• The Kerberoastable attack

As shown in this screenshot:

Source

Documentation:

• https://labs.f-secure.com/blog/attack-detection-fundamentals-discovery-and-lateral-movement-lab-1/
• https://theitbros.com/ldap-query-examples-active-directory/
• https://docs.microsoft.com/en-us/advanced-threat-analytics/what-is-ata

Impacket:

• https://github.com/SecureAuthCorp/impacket/blob/master/examples/GetNPUsers.py
• https://github.com/SecureAuthCorp/impacket/blob/master/examples/GetUserSPNs.py