A simple way to read and write LAPS passwords from linux.

Last update: Dec 09, 2022

Overview

A simple way to read and write LAPS passwords from linux.

This script is a python setter/getter for property ms-Mcs-AdmPwd used by LAPS inspired by @swisskyrepo's SharpLAPS in C#.

Require (either):

Account with ExtendedRight or GenericRead to get LAPS passwords
Account with ExtendedRight or GenericWrite to set LAPS passwords
Domain Admin privileges

General usage

This tool supports many authentication methods:

                 __    ___    ____  _____
    ____  __  __/ /   /   |  / __ \/ ___/
   / __ \/ / / / /   / /| | / /_/ /\__ \   
  / /_/ / /_/ / /___/ ___ |/ ____/___/ /   
 / .___/\__, /_____/_/  |_/_/    /____/    v1.1
/_/    /____/           @podalirius_           

usage: pyLAPS.py [-h] [--use-ldaps] [-q] [-debug] [-a [{get,set}]] [-c TARGET_COMPUTER] [-v TARGET_VALUE] [--dc-ip ip address] [-d DOMAIN] [-u USER]
 [--no-pass | -p PASSWORD | -H [LMHASH:]NTHASH | --aes-key hex key] [-k]

Python setter/getter for property ms-Mcs-AdmPwd used by LAPS.

optional arguments:
-h, --help            show this help message and exit
--use-ldaps           Use LDAPS instead of LDAP
-debug                Debug mode
-a [{get,set}], --action [{get,set}]
        Get or Set the LAPS password
-c TARGET_COMPUTER, --computer TARGET_COMPUTER
        Target computer to modify
-v TARGET_VALUE, --value TARGET_VALUE
        New password to set

authentication & connection:
--dc-ip ip address    IP Address of the domain controller or KDC (Key Distribution Center) for Kerberos. If omitted it will use the domain part (FQDN)
        specified in the identity parameter
-d DOMAIN, --domain DOMAIN
        (FQDN) domain to authenticate to
-u USER, --user USER  User to authenticate as

--no-pass             don't ask for password (useful for -k)
-p PASSWORD, --password PASSWORD
        password to authenticate with
-H [LMHASH:]NTHASH, --hashes [LMHASH:]NTHASH
        NT/LM hashes, format is LMhash:NThash
--aes-key hex key     AES key to use for Kerberos Authentication (128 or 256 bits)
-k, --kerberos        Use Kerberos authentication. Grabs credentials from .ccache file (KRB5CCNAME) based on target parameters. If valid credentials cannot be found, it will use the ones specified in the command line

Read the password of all computers

# ./pyLAPS.py --action get -u 'Administrator' -d 'LAB.local' -p 'Admin123!' --dc-ip 192.168.2.1
                 __    ___    ____  _____
    ____  __  __/ /   /   |  / __ \/ ___/
   / __ \/ / / / /   / /| | / /_/ /\__ \   
  / /_/ / /_/ / /___/ ___ |/ ____/___/ /   
 / .___/\__, /_____/_/  |_/_/    /____/    v1.1
/_/    /____/           @podalirius_           

[+] Extracting LAPS passwords of all computers ...
  | PC01$           : H0zqUkoCAcbVXf0Q3ZbQ
  | PC02$           : PoSaRYUhqbLQjWjY9D0g
  | PC17$           : spf41mUjm9pxrgl11Osd
  | PC25$           : oqy814nS1p2lRVlatcKG

Read the password of a specific computer

# ./pyLAPS.py --action get --computer 'PC01$' -u 'Administrator' -d 'LAB.local' -p 'Admin123!' --dc-ip 192.168.2.1
                 __    ___    ____  _____
    ____  __  __/ /   /   |  / __ \/ ___/
   / __ \/ / / / /   / /| | / /_/ /\__ \   
  / /_/ / /_/ / /___/ ___ |/ ____/___/ /   
 / .___/\__, /_____/_/  |_/_/    /____/    v1.1
/_/    /____/           @podalirius_           

[+] Extracting LAPS password of computer: PC01$ ...
[+] Searching for the target computer: PC01$
[+] Target computer found: CN=PC01,OU=LAPS Managed Computers,DC=LAB,DC=local
  | PC01$           : Wookie123

Write a random password to a specific computer

When no password is supplied with --value, a random password is generated.

# ./pyLAPS.py --action set --computer 'PC01$' -u 'Administrator' -d 'LAB.local' -p 'Admin123!' --dc-ip 192.168.2.1
                 __    ___    ____  _____
    ____  __  __/ /   /   |  / __ \/ ___/
   / __ \/ / / / /   / /| | / /_/ /\__ \   
  / /_/ / /_/ / /___/ ___ |/ ____/___/ /   
 / .___/\__, /_____/_/  |_/_/    /____/    v1.1
/_/    /____/           @podalirius_           

[+] Setting LAPS password in LDAP ...
[+] Searching for the target computer
[+] Target computer found: CN=PC01,OU=LAPS Managed Computers,DC=LAB,DC=local
[+] Using random password: qnaEmUsWOqQ6d2PR6wVr
[+] Successfully updated the ms-Mcs-AdmPwd attribute of the target PC01$ to qnaEmUsWOqQ6d2PR6wVr

Write a specific password to a specific computer

You can set the value of ms-Mcs-AdmPwd on a specific computer with --value option like this:

# ./pyLAPS.py --action set --computer 'PC01$' --value "Wookie123" -u 'Administrator' -d 'LAB.local' -p 'Admin123!' --dc-ip 192.168.2.1
                 __    ___    ____  _____
    ____  __  __/ /   /   |  / __ \/ ___/
   / __ \/ / / / /   / /| | / /_/ /\__ \   
  / /_/ / /_/ / /___/ ___ |/ ____/___/ /   
 / .___/\__, /_____/_/  |_/_/    /____/    v1.1
/_/    /____/           @podalirius_               

[+] Setting LAPS password in LDAP ...
[+] Searching for the target computer
[+] Target computer found: CN=PC01,OU=LAPS Managed Computers,DC=LAB,DC=local
[+] Successfully updated the ms-Mcs-AdmPwd attribute of the target PC01$ to Wookie123

Contributing

Pull requests are welcome. Feel free to open an issue if you want to add other features.

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A simple way to read and write LAPS passwords from linux.

Related tags

Overview

General usage

Read the password of all computers

Read the password of a specific computer

Write a random password to a specific computer

Write a specific password to a specific computer

Contributing

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