PowerShell is a compelling method for attackers (and pentesters) since code is run in memory and there is no reason to touch disk (unlike executables, batch files, and vbscripts). Projects like PowerSploit and POSHSec prove that PowerShell is the future of attacks. PowerShell Magazine has a great article on Investigating PowerShell Attacks: Prior articles by …
Tag: PowerShell
Sep 02 2014
PowerShell: Using Active Directory .Net methods in PowerShell Part 2
Powershell has the incredible ability to run some .Net methods natively. Some of this data can also be gathered using AD commandlets. Read Part 1 for others. Here are a few of my favorites. Get a Computer’s Site: [System.DirectoryServices.ActiveDirectory.ActiveDirectorySite]::GetComputerSite() Get a User’s Domain: [System.DirectoryServices.ActiveDirectory.Domain]::GetCurrentDomain().Name Get a Computer’s Domain: [System.DirectoryServices.ActiveDirectory.Domain]::GetComputerDomain().Name List Active Directory FSMOs: …
Sep 01 2014
PowerShell Parameters
One of the most useful features in Powershell is Parameters. Microsoft has some excellent documentation on Powershell Parameters Some of my favorites: Default Parameter [Switch]$Enabled = $True Mandatory Parameter [parameter(Mandatory=$true)] [String]$Name Validate Parameter Options in a set [ValidateSet(“TCP”, “UDP”)] [string]$NewPortType Validate Parameter Options in a range (case INsensitive) [ValidateRange(1,65535)] [string]$NewPortNumber Add Parameter Aliases [alias(“PortScope”,”Scope”)] [string] …
Aug 15 2014
Removing an Orphan (inactive) Active Directory Domain
Removing an Orphan (inactive) Active Directory Domain One of my customers has a forest with several domains, one of which hasn’t been used in a while (call it domain “RedShirt”). The 2 Domain Controllers in the domain, “RedShirt” both tombstoned. Yes, I know, how does that happen? ALWAYS monitor your environment. Since the domain hasn’t …
Aug 06 2014
PowerShell: One-liners to Get You Started
Some of the scenarios covered in the blog post: The server rebooted recently – who did it and when exactly? Is there an easy way to see if KB2862152 is installed? I need to backup all of the GPOs in the domain every day What are the IP settings on my system(s)? What are the …
Jul 23 2014
PowerShell: Get all Active Directory Sites based on Domain
Get all Active Directory Sites based on Domain. $DomainSiteFilter = “DomainA” Write-Output “Get AD Site List `r” $ADSites = [System.DirectoryServices.ActiveDirectory.Forest]::GetCurrentForest().Sites [int]$ADSitesCount = $ADSites.Count Write-Output “There are $ADSitesCount AD Sites in the forest `r” $DomainADSites = $ADSites | where {$_.Domains -like “*$DomainSiteFilter*”} | sort-object name [int]$DomainADSitesCount = $DomainADSites.Count Write-Output “There are $DomainADSitesCount AD Sites matching …
Jul 16 2014
PowerShell: Determine PowerShell Version
$PSVersionTable.PSVersion If the variable doesn’t exist, then the system is running version 1.0.
Jun 24 2014
PowerShell: Using a HashTable to Identify Active Directory Schema & Exchange Version
It’s easy to get the Active Directory schema version as well as the installed Exchange (schema) version by using the Active Directory PowerShell cmdlet, Get-ADObject. This script leverages a built-out HashTable to perform a lookup against the version numbers. ################################### # Create Schema Version Hashtable # 20140606-14 ################################### Write-Verbose “Create Schema Version HashTable `r ” …
Jun 20 2014
PowerShell: Identifying Cloned Computers by CMID or SID
Here’s the PowerShell command for identifying the computer SID by finding local accounts: Get-WmiObject -class Win32_UserAccount This command shows the Information for the first account in the list which should be local: (Get-WmiObject -class Win32_UserAccount)[0] Here’s a PowerShell command to run on each of the servers. If the result is the same, they have the …
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