Powershell Exec, DNS TXT Record Payload Download and Execution - Metasploit


This page contains detailed information about how to use the payload/cmd/windows/powershell/dns_txt_query_exec metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.

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Module Overview

Name: Powershell Exec, DNS TXT Record Payload Download and Execution
Module: payload/cmd/windows/powershell/dns_txt_query_exec
Source code: modules/payloads/adapters/cmd/windows/powershell.rb
Disclosure date: -
Last modification time: 2022-05-27 16:41:25 +0000
Supported architecture(s): cmd
Supported platform(s): Windows
Target service / protocol: -
Target network port(s): -
List of CVEs: -

Execute an x86 payload from a command via PowerShell. Performs a TXT query against a series of DNS record(s) and executes the returned payload

Module Ranking and Traits

Module Ranking:

  • normal: The exploit is otherwise reliable, but depends on a specific version and can't (or doesn't) reliably autodetect. More information about ranking can be found here.

Basic Usage

msf > use payload/cmd/windows/powershell/dns_txt_query_exec
msf payload(dns_txt_query_exec) > show options
    ... show and set options ...
msf payload(dns_txt_query_exec) > generate

To learn how to generate payload/cmd/windows/powershell/dns_txt_query_exec with msfvenom, please read this.

Required Options

  • DNSZONE: The DNS zone to query

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Msfconsole Usage

Here is how the cmd/windows/powershell/dns_txt_query_exec payload module looks in the msfconsole:

msf6 > use payload/cmd/windows/powershell/dns_txt_query_exec

msf6 payload(cmd/windows/powershell/dns_txt_query_exec) > show info

       Name: Powershell Exec, DNS TXT Record Payload Download and Execution
     Module: payload/cmd/windows/powershell/dns_txt_query_exec
   Platform: Windows
       Arch: cmd
Needs Admin: No
 Total size: 3718
       Rank: Normal

Provided by:
  Spencer McIntyre
  corelanc0d3r <[email protected]>

Basic options:
Name     Current Setting  Required  Description
----     ---------------  --------  -----------
DNSZONE                   yes       The DNS zone to query

Description:
  Execute an x86 payload from a command via PowerShell. Performs a TXT 
  query against a series of DNS record(s) and executes the returned 
  payload

Module Options

This is a complete list of options available in the cmd/windows/powershell/dns_txt_query_exec payload:

msf6 payload(cmd/windows/powershell/dns_txt_query_exec) > show options

Module options (payload/cmd/windows/powershell/dns_txt_query_exec):

   Name     Current Setting  Required  Description
   ----     ---------------  --------  -----------
   DNSZONE                   yes       The DNS zone to query

Advanced Options

Here is a complete list of advanced options supported by the cmd/windows/powershell/dns_txt_query_exec payload:

msf6 payload(cmd/windows/powershell/dns_txt_query_exec) > show advanced

Module advanced options (payload/cmd/windows/powershell/dns_txt_query_exec):

   Name                                    Current Setting  Required  Description
   ----                                    ---------------  --------  -----------
   Powershell::encode_final_payload        false            yes       Encode final payload for -EncodedCommand
   Powershell::encode_inner_payload        false            yes       Encode inner payload for -EncodedCommand
   Powershell::exec_in_place               false            yes       Produce PSH without executable wrapper
   Powershell::exec_rc4                    false            yes       Encrypt PSH with RC4
   Powershell::method                      reflection       yes       Payload delivery method (Accepted: net, reflection, old, msil)
   Powershell::no_equals                   false            yes       Pad base64 until no "=" remains
   Powershell::noninteractive              true             yes       Execute powershell without interaction
   Powershell::persist                     false            yes       Run the payload in a loop
   Powershell::prepend_protections_bypass  auto             yes       Prepend AMSI/SBL bypass (Accepted: auto, true, false)
   Powershell::prepend_sleep                                no        Prepend seconds of sleep
   Powershell::remove_comspec              false            yes       Produce script calling powershell directly
   Powershell::strip_comments              true             yes       Strip comments
   Powershell::strip_whitespace            false            yes       Strip whitespace
   Powershell::sub_funcs                   false            yes       Substitute function names
   Powershell::sub_vars                    true             yes       Substitute variable names
   Powershell::wrap_double_quotes          true             yes       Wraps the -Command argument in single quotes
   PrependMigrate                          false            yes       Spawns and runs shellcode in new process
   PrependMigrateProc                                       no        Process to spawn and run shellcode in
   VERBOSE                                 false            no        Enable detailed status messages
   WORKSPACE                                                no        Specify the workspace for this module

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See Also

Check also the following modules related to this module:

Authors

  • Spencer McIntyre
  • corelanc0d3r <peter.ve[at]corelan.be>

Version

This page has been produced using Metasploit Framework version 6.2.29-dev. For more modules, visit the Metasploit Module Library.

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