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Pre-Created Computer Account

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Swissky 2022-06-08 12:14:11 +02:00
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Methodology and Resources/Active Directory Attack.md
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@ -46,6 +46,7 @@
- [Spray passwords against the RDP service](#spray-passwords-against-the-rdp-service)
- [BadPwdCount attribute](#badpwdcount-attribute)
- [Password in AD User comment](#password-in-ad-user-comment)
- [Password of Pre-Created Computer Account](#password-of-pre-created-computer-account)
- [Reading LAPS Password](#reading-laps-password)
- [Reading GMSA Password](#reading-gmsa-password)
- [Forging Golden GMSA](#forging-golden-gmsa)
@ -1396,6 +1397,19 @@ ldapdomaindump -u 'DOMAIN\john' -p MyP@ssW0rd 10.10.10.10 -o ~/Documents/AD_DUMP
```
### Password of Pre-Created Computer Account
When `Assign this computer account as a pre-Windows 2000 computer` checkmark is checked, the password for the computer account becomes the same as the computer account in lowercase. For instance, the computer account **SERVERDEMO$** would have the password **serverdemo**.
```ps1
# Create a machine with default password
# must be run from a domain joined device connected to the domain
djoin /PROVISION /DOMAIN <fqdn> /MACHINE evilpc /SAVEFILE C:\temp\evilpc.txt /DEFPWD /PRINTBLOB /NETBIOS evilpc
```
* When you attempt to login using the credential you should have the following error code : `STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT`.
* Then you need to change the password with [rpcchangepwd.py](https://github.com/SecureAuthCorp/impacket/pull/1304)
### Reading LAPS Password
@ -3783,4 +3797,5 @@ CME 10.XXX.XXX.XXX:445 HOSTNAME-01 [+] DOMAIN\COMPUTER$ 31d6cfe0d16ae
* [Introducing the Golden GMSA Attack - YUVAL GORDON - March 01, 2022](https://www.semperis.com/blog/golden-gmsa-attack/)
* [Introducing MalSCCM - Phil Keeble -May 4, 2022](https://labs.nettitude.com/blog/introducing-malsccm/)
* [Certifried: Active Directory Domain Privilege Escalation (CVE-2022–26923) - Oliver Lyak](https://research.ifcr.dk/certifried-active-directory-domain-privilege-escalation-cve-2022-26923-9e098fe298f4)
* [bloodyAD and CVE-2022-26923 - soka - 11 May 2022](https://cravaterouge.github.io/ad/privesc/2022/05/11/bloodyad-and-CVE-2022-26923.html)
* [bloodyAD and CVE-2022-26923 - soka - 11 May 2022](https://cravaterouge.github.io/ad/privesc/2022/05/11/bloodyad-and-CVE-2022-26923.html)
* [DIVING INTO PRE-CREATED COMPUTER ACCOUNTS - May 10, 2022 - By Oddvar Moe](https://www.trustedsec.com/blog/diving-into-pre-created-computer-accounts/)