This is a simple script to get the RPC servers and listening endpoints for a process by ID.

get_rpc_process.ps1

# This is a simple script to get the RPC servers and listening endpoints for a process by ID.

Import-Module NtObjectManager

function Get-RpcKey {
    param($Obj)

    "$($Obj.InterfaceId)_$($Obj.InterfaceVersion)"
}

function Get-RpcProcess {
    param(
        [Parameter(Mandatory)]
        [int]$ProcessId
    )
    try {
        $rpc = Get-RpcServer -ProcessId $ProcessId
        $eps = Get-RpcEndpoint -ProcessId $ProcessId

        $ht = [System.Collections.Generic.HashSet[string]]::new()
        $eps | % { $ht.Add($(Get-RpcKey $_)) | Out-Null }
        [PSCustomObject]@{
            Servers = $rpc | ? { $(Get-RpcKey $_) -in $ht }
            Endpoints = $eps.BindingString | Sort-Object -Unique
        }
    } catch {
        Write-Error $_
    }
}