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Attack Surface Reduction + Azure Subscription

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Swissky 2023-12-19 17:58:13 +01:00
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38
docs/active-directory/pwd-comments.md
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@ -1,23 +1,27 @@
# Password - AD User Comment
```powershell
$ crackmapexec ldap domain.lab -u 'username' -p 'password' -M user-desc
$ crackmapexec ldap 10.0.2.11 -u 'username' -p 'password' --kdcHost 10.0.2.11 -M get-desc-users
GET-DESC... 10.0.2.11 389 dc01 [+] Found following users:
GET-DESC... 10.0.2.11 389 dc01 User: Guest description: Built-in account for guest access to the computer/domain
GET-DESC... 10.0.2.11 389 dc01 User: krbtgt description: Key Distribution Center Service Account
```
There are 3-4 fields that seem to be common in most Active Directory schemas: `UserPassword`, `UnixUserPassword`, `unicodePwd` and `msSFU30Password`.
There are 3-4 fields that seem to be common in most AD schemas: `UserPassword`, `UnixUserPassword`, `unicodePwd` and `msSFU30Password`.
* Password in User Description
```powershell
crackmapexec ldap domain.lab -u 'username' -p 'password' -M user-desc
crackmapexec ldap 10.0.2.11 -u 'username' -p 'password' --kdcHost 10.0.2.11 -M get-desc-users
GET-DESC... 10.0.2.11 389 dc01 [+] Found following users:
GET-DESC... 10.0.2.11 389 dc01 User: Guest description: Built-in account for guest access to the computer/domain
GET-DESC... 10.0.2.11 389 dc01 User: krbtgt description: Key Distribution Center Service Account
```
```powershell
enum4linux | grep -i desc
* Get `unixUserPassword` attribute from all users in ldap
```ps1
nxc ldap 10.10.10.10 -u user -p pass -M get-unixUserPassword -M getUserPassword
```
Get-WmiObject -Class Win32_UserAccount -Filter "Domain='COMPANYDOMAIN' AND Disabled='False'" | Select Name, Domain, Status, LocalAccount, AccountType, Lockout, PasswordRequired,PasswordChangeable, Description, SID
```
* Native Powershell command
```powershell
Get-WmiObject -Class Win32_UserAccount -Filter "Domain='COMPANYDOMAIN' AND Disabled='False'" | Select Name, Domain, Status, LocalAccount, AccountType, Lockout, PasswordRequired,PasswordChangeable, Description, SID
```
or dump the Active Directory and `grep` the content.
```powershell
ldapdomaindump -u 'DOMAIN\john' -p MyP@ssW0rd 10.10.10.10 -o ~/Documents/AD_DUMP/
```
* Dump the Active Directory and `grep` the content.
```powershell
ldapdomaindump -u 'DOMAIN\john' -p MyP@ssW0rd 10.10.10.10 -o ~/Documents/AD_DUMP/
```

8
docs/cloud/azure/azure-requirements.md
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@ -2,9 +2,17 @@
## Pentest Requirements
Users and roles:
* **Global Reader** and **Security Reader** roles in Azure AD
* **Reader** permission over the subscription
Subscriptions:
* [Azure Dev/Test](https://azure.microsoft.com/en-us/pricing/offers/dev-test) subscription.
* Visual Studio subscription determines the monthly Azure credits you receive
* Visual Studio Enterprise: $150/month
* MSDN Platforms: $100
* Visual Studio Professional: $50
* Visual Studio Test Professional: $50
## Powershell and Native Modules

22
docs/redteam/evasion/windows-defenses.md
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@ -13,6 +13,7 @@
* [Protected Process Light](#protected-process-light)
* [Credential Guard](#credential-guard)
* [Event Tracing for Windows](#event-tracing-for-windows)
* [Attack Surface Reduction](#attack-surface-reduction)
* [Windows Defender Antivirus](#windows-defender-antivirus)
* [Windows Defender Application Control](#windows-defender-application-control)
* [Windows Defender Firewall](#windows-defender-firewall)
@ -296,6 +297,26 @@ The `Microsoft-Windows-Threat-Intelligence` provider corresponds to ETWTI, an ad
The most common bypassing technique is patching the function `EtwEventWrite` which is called to write/log ETW events. You can list the providers registered for a process with `logman query providers -pid <PID>`
## Attack Surface Reduction
> Attack Surface Reduction (ASR) refers to strategies and techniques used to decrease the potential points of entry that attackers could use to exploit a system or network.
```ps1
Add-MpPreference -AttackSurfaceReductionRules_Ids 9e6c4e1f-7d60-472f-ba1a-a39ef669e4b2 -AttackSurfaceReductionRules_Actions AuditMode
Add-MpPreference -AttackSurfaceReductionRules_Ids 9e6c4e1f-7d60-472f-ba1a-a39ef669e4b2 -AttackSurfaceReductionRules_Actions Enabled
```
| Description | Ids |
|---------------------------------------------------------------------------|--------------------------------------|
| Block execution of potentially obfuscated scripts | 5beb7efe-fd9a-4556-801d-275e5ffc04cc |
| Block JavaScript or VBScript from launching downloaded executable content | d3e037e1-3eb8-44c8-a917-57927947596d |
| Block abuse of exploited vulnerable signed drivers | 56a863a9-875e-4185-98a7-b882c64b5ce5 |
| Block executable content from email client and webmail | be9ba2d9-53ea-4cdc-84e5-9b1eeee46550 |
| Block process creations originating from PSExec and WMI commands | d1e49aac-8f56-4280-b9ba-993a6d77406c |
| Use advanced protection against ransomware | c1db55ab-c21a-4637-bb3f-a12568109d35 |
| Block credential stealing from the Windows local security authority subsystem (lsass.exe) | 9e6c4e1f-7d60-472f-ba1a-a39ef669e4b2 |
## Windows Defender Antivirus
Also known as `Microsoft Defender`.
@ -419,3 +440,4 @@ You can check if it is done decrypting using this command: `manage-bde -status`
* [Disabling Event Tracing For Windows - UNPROTECT PROJECT - Tuesday 19 April 2022](https://unprotect.it/technique/disabling-event-tracing-for-windows-etw/)
* [ETW: Event Tracing for Windows 101 - ired.team](https://www.ired.team/miscellaneous-reversing-forensics/windows-kernel-internals/etw-event-tracing-for-windows-101)
* [Remove Windows Defender Application Control (WDAC) policies - Microsoft - 12/09/2022](https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/disable-windows-defender-application-control-policies)
* [Attack surface reduction rules reference - Microsoft 365 - 11/30/2023](https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/attack-surface-reduction-rules-reference?view=o365-worldwide)