Functions/BloxOne/BloxOneTD/Get-B1LookalikeDomains.ps1

function Get-B1LookalikeDomains {
    <#
    .SYNOPSIS
        Queries a list of detected Lookalike Domain objects with target domains specified by the account.

    .DESCRIPTION
        This function is used to retrieve information on all detected Lookalike Domain objects with target domains specified by the account.

    .PARAMETER Domain
        Filter the results by target domain

    .PARAMETER LookalikeHost
        Filter the results by lookalike domain

    .PARAMETER Reason
        Filter the results by reason

    .PARAMETER Strict
        Use strict filter matching. By default, filters are searched using wildcards where possible. Using strict matching will only return results matching exactly what is entered in the applicable parameters.

    .PARAMETER Limit
        Use this parameter to limit the quantity of results. The default number of results is 100.

    .PARAMETER Offset
        Use this parameter to offset the results by the value entered for the purpose of pagination

    .PARAMETER Fields
        Specify a list of fields to return. The default is to return all fields.

    .PARAMETER CustomFilters
        Accepts either an Object, ArrayList or String containing one or more custom filters.
        See here for usage: https://ibps.readthedocs.io/en/latest/#-customfilters

    .PARAMETER CaseSensitive
        Use Case Sensitive matching. By default, case-insensitive matching both for -Strict matching and regex matching.

    .EXAMPLE
        PS> Get-B1LookalikeDomains -Domain google.com | ft detected_at,lookalike_domain,reason -AutoSize

        detected_at lookalike_domain reason
        ----------- ---------------- ------
        2/6/2024 6:40:48PM googletah.shop Domain is a lookalike to google.com and likely used for phishing. The creation or first seen date is 2023-11-09.
        2/6/2024 6:41:09PM cdn-google-tag.info Domain is a lookalike to google.com and has suspicious registration, behavior, or associations with known threats. The creation or first seen date is 2024-01-16.
        2/6/2024 6:41:09PM comgoogle.email Domain is a lookalike to google.com and has suspicious registration, behavior, or associations with known threats. The creation or first seen date is 2023-11-12.
        2/6/2024 6:41:09PM geminigoogle.xyz Domain is a lookalike to google.com and has suspicious registration, behavior, or associations with known threats. The creation or first seen date is 2023-12-08.
        2/6/2024 6:41:36PM 123googleplaykarte.de Domain is a lookalike to google.com. The creation date is unknown.
        2/6/2024 6:41:36PM adsgoogle.gt Domain is a lookalike to google.com. The creation date is unknown.
        2/6/2024 6:41:36PM a-googleseo.com Domain is a lookalike to google.com. The creation date is 2023-10-27.
        2/6/2024 6:41:36PM app-google.de Domain is a lookalike to google.com. The creation date is unknown.
        2/6/2024 6:41:36PM bardgoogler.com Domain is a lookalike to google.com. The creation date is 2023-04-02.
        2/6/2024 6:41:36PM bestgoogles.shop Domain is a lookalike to google.com. The creation date is 2023-11-09.
        2/6/2024 6:41:36PM brightcastweightlossttgoogleuk.today Domain is a lookalike to google.com. The creation date is 2023-06-18.
        ...

    .FUNCTIONALITY
        BloxOneDDI

    .FUNCTIONALITY
        BloxOne Threat Defense
    #>

    [CmdletBinding()]
    param(
      [Parameter(ValueFromPipeline)]
      [String[]]$Domain,
      [String]$LookalikeHost,
      [String]$Reason,
      [Int]$Limit = 1000,
      [Int]$Offset = 0,
      [String[]]$Fields,
      [Switch]$Strict,
      $CustomFilters,
      [Switch]$CaseSensitive
    )

    begin {
        $MatchType = Match-Type $Strict $CaseSensitive
    }

    process {
        [System.Collections.ArrayList]$Filters = @()
        [System.Collections.ArrayList]$QueryFilters = @()
        if ($CustomFilters) {
            $Filters.Add($CustomFilters) | Out-Null
        }
        if ($Domain) {
          $Filters.Add("target_domain$($MatchType)`"$Domain`"") | Out-Null
        }
        if ($LookalikeHost) {
          $Filters.Add("lookalike_host$($MatchType)`"$LookalikeHost`"") | Out-Null
        }
        if ($Reason) {
          $Filters.Add("reason$($MatchType)`"$Reason`"") | Out-Null
        }
        if ($Filters) {
            $Filter = Combine-Filters $Filters -CaseSensitive:$CaseSensitive
            $QueryFilters.Add("_filter=$Filter") | Out-Null
        }
        if ($Limit) {
            $QueryFilters.Add("_limit=$Limit") | Out-Null
        }
        if ($Offset) {
            $QueryFilters.Add("_offset=$Offset") | Out-Null
        }
        if ($Fields) {
            $QueryFilters.Add("_fields=$($Fields -join ",")") | Out-Null
        }
        if ($QueryFilters) {
            $QueryString = ConvertTo-QueryString $QueryFilters
        }
        Write-DebugMsg -Filters $QueryFilters
        if ($QueryString) {
            $Results = Invoke-CSP -Uri "$(Get-B1CspUrl)/api/tdlad/v1/lookalike_domains$QueryString" -Method GET | Select-Object -ExpandProperty results -ErrorAction SilentlyContinue
        } else {
            $Results = Invoke-CSP -Uri "$(Get-B1CspUrl)/api/tdlad/v1/lookalike_domains" -Method GET | Select-Object -ExpandProperty results -ErrorAction SilentlyContinue
        }

        if ($Results) {
          return $Results
        }
    }
}