diff options
Diffstat (limited to 'Recon')
| -rw-r--r-- | Recon/PowerView.ps1 | 204 |
1 files changed, 198 insertions, 6 deletions
diff --git a/Recon/PowerView.ps1 b/Recon/PowerView.ps1 index 8672e76..5823d18 100644 --- a/Recon/PowerView.ps1 +++ b/Recon/PowerView.ps1 @@ -5138,13 +5138,13 @@ function Get-DFSshare { .EXAMPLE PS C:\> Get-DFSshare - + Returns all distributed file system shares for the current domain. .EXAMPLE PS C:\> Get-DFSshare -Domain test - + Returns all distributed file system shares for the 'test' domain. #> @@ -5171,6 +5171,185 @@ function Get-DFSshare { $Credential ) + function Parse-Pkt { + [CmdletBinding()] + param( + [byte[]] + $Pkt + ) + + $bin = $Pkt + $blob_version = [bitconverter]::ToUInt32($bin[0..3],0) + $blob_element_count = [bitconverter]::ToUInt32($bin[4..7],0) + #Write-Host "Element Count: " $blob_element_count + $offset = 8 + #https://msdn.microsoft.com/en-us/library/cc227147.aspx + $object_list = @() + for($i=1; $i -le $blob_element_count; $i++){ + $blob_name_size_start = $offset + $blob_name_size_end = $offset + 1 + $blob_name_size = [bitconverter]::ToUInt16($bin[$blob_name_size_start..$blob_name_size_end],0) + #Write-Host "Blob name size: " $blob_name_size + $blob_name_start = $blob_name_size_end + 1 + $blob_name_end = $blob_name_start + $blob_name_size - 1 + $blob_name = [System.Text.Encoding]::Unicode.GetString($bin[$blob_name_start..$blob_name_end]) + #Write-Host "Blob Name: " $blob_name + $blob_data_size_start = $blob_name_end + 1 + $blob_data_size_end = $blob_data_size_start + 3 + $blob_data_size = [bitconverter]::ToUInt32($bin[$blob_data_size_start..$blob_data_size_end],0) + #Write-Host "blob data size: " $blob_data_size + $blob_data_start = $blob_data_size_end + 1 + $blob_data_end = $blob_data_start + $blob_data_size - 1 + $blob_data = $bin[$blob_data_start..$blob_data_end] + switch -wildcard ($blob_name) { + "\siteroot" { } + "\domainroot*" { + # Parse DFSNamespaceRootOrLinkBlob object. Starts with variable length DFSRootOrLinkIDBlob which we parse first... + # DFSRootOrLinkIDBlob + $root_or_link_guid_start = 0 + $root_or_link_guid_end = 15 + $root_or_link_guid = [byte[]]$blob_data[$root_or_link_guid_start..$root_or_link_guid_end] + $guid = New-Object Guid(,$root_or_link_guid) # should match $guid_str + $prefix_size_start = $root_or_link_guid_end + 1 + $prefix_size_end = $prefix_size_start + 1 + $prefix_size = [bitconverter]::ToUInt16($blob_data[$prefix_size_start..$prefix_size_end],0) + $prefix_start = $prefix_size_end + 1 + $prefix_end = $prefix_start + $prefix_size - 1 + $prefix = [System.Text.Encoding]::Unicode.GetString($blob_data[$prefix_start..$prefix_end]) + #write-host "Prefix: " $prefix + $short_prefix_size_start = $prefix_end + 1 + $short_prefix_size_end = $short_prefix_size_start + 1 + $short_prefix_size = [bitconverter]::ToUInt16($blob_data[$short_prefix_size_start..$short_prefix_size_end],0) + $short_prefix_start = $short_prefix_size_end + 1 + $short_prefix_end = $short_prefix_start + $short_prefix_size - 1 + $short_prefix = [System.Text.Encoding]::Unicode.GetString($blob_data[$short_prefix_start..$short_prefix_end]) + #write-host "Short Prefix: " $short_prefix + $type_start = $short_prefix_end + 1 + $type_end = $type_start + 3 + $type = [bitconverter]::ToUInt32($blob_data[$type_start..$type_end],0) + #write-host $type + $state_start = $type_end + 1 + $state_end = $state_start + 3 + $state = [bitconverter]::ToUInt32($blob_data[$state_start..$state_end],0) + #write-host $state + $comment_size_start = $state_end + 1 + $comment_size_end = $comment_size_start + 1 + $comment_size = [bitconverter]::ToUInt16($blob_data[$comment_size_start..$comment_size_end],0) + $comment_start = $comment_size_end + 1 + $comment_end = $comment_start + $comment_size - 1 + if ($comment_size -gt 0) { + $comment = [System.Text.Encoding]::Unicode.GetString($blob_data[$comment_start..$comment_end]) + #Write-Host $comment + } + $prefix_timestamp_start = $comment_end + 1 + $prefix_timestamp_end = $prefix_timestamp_start + 7 + # https://msdn.microsoft.com/en-us/library/cc230324.aspx FILETIME + $prefix_timestamp = $blob_data[$prefix_timestamp_start..$prefix_timestamp_end] #dword lowDateTime #dword highdatetime + $state_timestamp_start = $prefix_timestamp_end + 1 + $state_timestamp_end = $state_timestamp_start + 7 + $state_timestamp = $blob_data[$state_timestamp_start..$state_timestamp_end] + $comment_timestamp_start = $state_timestamp_end + 1 + $comment_timestamp_end = $comment_timestamp_start + 7 + $comment_timestamp = $blob_data[$comment_timestamp_start..$comment_timestamp_end] + $version_start = $comment_timestamp_end + 1 + $version_end = $version_start + 3 + $version = [bitconverter]::ToUInt32($blob_data[$version_start..$version_end],0) + + #write-host $version + if ($version -ne 3) + { + #write-host "error" + } + + # Parse rest of DFSNamespaceRootOrLinkBlob here + $dfs_targetlist_blob_size_start = $version_end + 1 + $dfs_targetlist_blob_size_end = $dfs_targetlist_blob_size_start + 3 + $dfs_targetlist_blob_size = [bitconverter]::ToUInt32($blob_data[$dfs_targetlist_blob_size_start..$dfs_targetlist_blob_size_end],0) + #write-host $dfs_targetlist_blob_size + $dfs_targetlist_blob_start = $dfs_targetlist_blob_size_end + 1 + $dfs_targetlist_blob_end = $dfs_targetlist_blob_start + $dfs_targetlist_blob_size - 1 + $dfs_targetlist_blob = $blob_data[$dfs_targetlist_blob_start..$dfs_targetlist_blob_end] + $reserved_blob_size_start = $dfs_targetlist_blob_end + 1 + $reserved_blob_size_end = $reserved_blob_size_start + 3 + $reserved_blob_size = [bitconverter]::ToUInt32($blob_data[$reserved_blob_size_start..$reserved_blob_size_end],0) + #write-host $reserved_blob_size + $reserved_blob_start = $reserved_blob_size_end + 1 + $reserved_blob_end = $reserved_blob_start + $reserved_blob_size - 1 + $reserved_blob = $blob_data[$reserved_blob_start..$reserved_blob_end] + $referral_ttl_start = $reserved_blob_end + 1 + $referral_ttl_end = $referral_ttl_start + 3 + $referral_ttl = [bitconverter]::ToUInt32($blob_data[$referral_ttl_start..$referral_ttl_end],0) + + #Parse DFSTargetListBlob + $target_count_start = 0 + $target_count_end = $target_count_start + 3 + $target_count = [bitconverter]::ToUInt32($dfs_targetlist_blob[$target_count_start..$target_count_end],0) + $t_offset = $target_count_end + 1 + #write-host $target_count + + for($j=1; $j -le $target_count; $j++){ + $target_entry_size_start = $t_offset + $target_entry_size_end = $target_entry_size_start + 3 + $target_entry_size = [bitconverter]::ToUInt32($dfs_targetlist_blob[$target_entry_size_start..$target_entry_size_end],0) + #write-host $target_entry_size + $target_time_stamp_start = $target_entry_size_end + 1 + $target_time_stamp_end = $target_time_stamp_start + 7 + # FILETIME again or special if priority rank and priority class 0 + $target_time_stamp = $dfs_targetlist_blob[$target_time_stamp_start..$target_time_stamp_end] + $target_state_start = $target_time_stamp_end + 1 + $target_state_end = $target_state_start + 3 + $target_state = [bitconverter]::ToUInt32($dfs_targetlist_blob[$target_state_start..$target_state_end],0) + #write-host $target_state + $target_type_start = $target_state_end + 1 + $target_type_end = $target_type_start + 3 + $target_type = [bitconverter]::ToUInt32($dfs_targetlist_blob[$target_type_start..$target_type_end],0) + #write-host $target_type + $server_name_size_start = $target_type_end + 1 + $server_name_size_end = $server_name_size_start + 1 + $server_name_size = [bitconverter]::ToUInt16($dfs_targetlist_blob[$server_name_size_start..$server_name_size_end],0) + #write-host $server_name_size + $server_name_start = $server_name_size_end + 1 + $server_name_end = $server_name_start + $server_name_size - 1 + $server_name = [System.Text.Encoding]::Unicode.GetString($dfs_targetlist_blob[$server_name_start..$server_name_end]) + #write-host $server_name + $share_name_size_start = $server_name_end + 1 + $share_name_size_end = $share_name_size_start + 1 + $share_name_size = [bitconverter]::ToUInt16($dfs_targetlist_blob[$share_name_size_start..$share_name_size_end],0) + $share_name_start = $share_name_size_end + 1 + $share_name_end = $share_name_start + $share_name_size - 1 + $share_name = [System.Text.Encoding]::Unicode.GetString($dfs_targetlist_blob[$share_name_start..$share_name_end]) + #write-host $share_name + $target_list += "\\$server_name\$share_name" + $t_offset = $share_name_end + 1 + } + } + } + $offset = $blob_data_end + 1 + $dfs_pkt_properties = @{ + 'Name' = $blob_name + 'Prefix' = $prefix + 'TargetList' = $target_list + } + $object_list += New-Object -TypeName PSObject -Property $dfs_pkt_properties + $prefix = $null + $blob_name = $null + $target_list = $null + } + + $servers = @() + $object_list | ForEach-Object { + #write-host $_.Name; + #write-host $_.TargetList + if ($_.TargetList) { + $_.TargetList | ForEach-Object { + $servers += $_.split("\")[2] + } + } + } + + $servers + } + function Get-DFSshareV1 { [CmdletBinding()] param( @@ -5183,7 +5362,7 @@ function Get-DFSshare { [String] $ADSpath, - [ValidateRange(1,10000)] + [ValidateRange(1,10000)] [Int] $PageSize = 200, @@ -5201,6 +5380,7 @@ function Get-DFSshare { $DFSSearcher.FindAll() | Where-Object {$_} | ForEach-Object { $Properties = $_.Properties $RemoteNames = $Properties.remoteservername + $Pkt = $Properties.pkt $DFSshares += $RemoteNames | ForEach-Object { try { @@ -5213,9 +5393,21 @@ function Get-DFSshare { } } } + + $redirects = Parse-Pkt $pkt[0] + $redirects | ForEach-Object { + # If a folder doesn't have a redirection it will + # have a target like + # \\null\TestNameSpace\folder\.DFSFolderLink so we + # do actually want to match on "null" rather than + # $null + if ($_ -ne "null") { + New-Object -TypeName PSObject -Property @{'Name'=$Properties.name[0];'RemoteServerName'=$_} + } + } } catch { - Write-Warning "Get-DFSshareV2 error : $_" + Write-Warning "Get-DFSshareV1 error : $_" } $DFSshares | Sort-Object -Property "RemoteServerName" } @@ -5276,7 +5468,7 @@ function Get-DFSshare { } $DFSshares = @() - + if ( ($Version -eq "all") -or ($Version.endsWith("1")) ) { $DFSshares += Get-DFSshareV1 -Domain $Domain -DomainController $DomainController -Credential $Credential -ADSpath $ADSpath -PageSize $PageSize } @@ -5284,7 +5476,7 @@ function Get-DFSshare { $DFSshares += Get-DFSshareV2 -Domain $Domain -DomainController $DomainController -Credential $Credential -ADSpath $ADSpath -PageSize $PageSize } - $DFSshares | Sort-Object -Property "RemoteServerName" + $DFSshares | Sort-Object -Property ("RemoteServerName","Name") -Unique } |