Powershell Exec, Windows Reverse HTTP Stager (winhttp) - Metasploit


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

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Module Overview

Name: Powershell Exec, Windows Reverse HTTP Stager (winhttp)
Module: payload/cmd/windows/powershell/dllinject/reverse_winhttp
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. Tunnel communication over HTTP (Windows winhttp)

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/dllinject/reverse_winhttp
msf payload(reverse_winhttp) > show options
    ... show and set options ...
msf payload(reverse_winhttp) > generate

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

Required Options

  • LHOST: The local listener hostname

  • DLL: The local path to the Reflective DLL to upload

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Msfconsole Usage

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

msf6 > use payload/cmd/windows/powershell/dllinject/reverse_winhttp

msf6 payload(cmd/windows/powershell/dllinject/reverse_winhttp) > show info

       Name: Powershell Exec, Windows Reverse HTTP Stager (winhttp)
     Module: payload/cmd/windows/powershell/dllinject/reverse_winhttp
   Platform: Windows
       Arch: cmd
Needs Admin: No
 Total size: 4940
       Rank: Normal

Provided by:
  Spencer McIntyre
  sf <[email protected]>
  hdm <[email protected]>
  Borja Merino <[email protected]>

Basic options:
Name      Current Setting  Required  Description
----      ---------------  --------  -----------
DLL                        yes       The local path to the Reflective DLL to upload
EXITFUNC  process          yes       Exit technique (Accepted: '', seh, thread, process, none)
LHOST                      yes       The local listener hostname
LPORT     8080             yes       The local listener port
LURI                       no        The HTTP Path

Description:
  Execute an x86 payload from a command via PowerShell. Tunnel 
  communication over HTTP (Windows winhttp)

Module Options

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

msf6 payload(cmd/windows/powershell/dllinject/reverse_winhttp) > show options

Module options (payload/cmd/windows/powershell/dllinject/reverse_winhttp):

   Name      Current Setting  Required  Description
   ----      ---------------  --------  -----------
   DLL                        yes       The local path to the Reflective DLL to upload
   EXITFUNC  process          yes       Exit technique (Accepted: '', seh, thread, process, none)
   LHOST                      yes       The local listener hostname
   LPORT     8080             yes       The local listener port
   LURI                       no        The HTTP Path

Advanced Options

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

msf6 payload(cmd/windows/powershell/dllinject/reverse_winhttp) > show advanced

Module advanced options (payload/cmd/windows/powershell/dllinject/reverse_winhttp):

   Name                                 Current Setting                      Required  Description
   ----                                 ---------------                      --------  -----------
   EnableStageEncoding                  false                                no        Encode the second stage payload
   HttpCookie                                                                no        An optional value to use for the Cookie HTTP header
   HttpHostHeader                                                            no        An optional value to use for the Host HTTP header
   HttpProxyHost                                                             no        An optional proxy server IP address or hostname
   HttpProxyIE                          true                                 no        Enable use of IE proxy settings
   HttpProxyPass                                                             no        An optional proxy server password Max parameter length: 63 chara
                                                                                       cters
   HttpProxyPort                                                             no        An optional proxy server port
   HttpProxyType                        HTTP                                 yes       The type of HTTP proxy (Accepted: HTTP, SOCKS)
   HttpProxyUser                                                             no        An optional proxy server username Max parameter length: 63 chara
                                                                                       cters
   HttpReferer                                                               no        An optional value to use for the Referer HTTP header
   HttpServerName                       Apache                               no        The server header that the handler will send in response to requ
                                                                                       ests
   HttpUnknownRequestResponse           <html><body><h1>It works!</h1></bod  no        The returned HTML response body when the handler receives a requ
                                        y></html>                                      est that is not from a payload
   HttpUserAgent                        Mozilla/5.0 (Windows NT 10.0; Win64  no        The user-agent that the payload should use for communication Max
                                        ; x64; rv:97.0) Gecko/20100101 Fire             parameter length: 255 characters
                                        fox/97.0
   IgnoreUnknownPayloads                false                                no        Whether to drop connections from payloads using unknown UUIDs
   OverrideLHOST                                                             no        When OverrideRequestHost is set, use this value as the host name
                                                                                        for secondary requests
   OverrideLPORT                                                             no        When OverrideRequestHost is set, use this value as the port numb
                                                                                       er for secondary requests
   OverrideRequestHost                  false                                no        Forces a specific host and port instead of using what the client
                                                                                        requests, defaults to LHOST:LPORT
   OverrideScheme                                                            no        When OverrideRequestHost is set, use this value as the scheme fo
                                                                                       r secondary requests, e.g http or https
   PayloadUUIDName                                                           no        A human-friendly name to reference this unique payload (requires
                                                                                        tracking)
   PayloadUUIDRaw                                                            no        A hex string representing the raw 8-byte PUID value for the UUID
   PayloadUUIDSeed                                                           no        A string to use when generating the payload UUID (deterministic)
   PayloadUUIDTracking                  false                                yes       Whether or not to automatically register generated UUIDs
   PingbackRetries                      0                                    yes       How many additional successful pingbacks
   PingbackSleep                        30                                   yes       Time (in seconds) to sleep between pingbacks
   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_byp  auto                                 yes       Prepend AMSI/SBL bypass (Accepted: auto, true, false)
   ass
   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
   ReverseAllowProxy                    false                                yes       Allow reverse tcp even with Proxies specified. Connect back will
                                                                                        NOT go through proxy but directly to LHOST
   ReverseListenerBindAddress                                                no        The specific IP address to bind to on the local system
   ReverseListenerBindPort                                                   no        The port to bind to on the local system if different from LPORT
   ReverseListenerComm                                                       no        The specific communication channel to use for this listener
   StageEncoder                                                              no        Encoder to use if EnableStageEncoding is set
   StageEncoderSaveRegisters                                                 no        Additional registers to preserve in the staged payload if Enable
                                                                                       StageEncoding is set
   StageEncodingFallback                true                                 no        Fallback to no encoding if the selected StageEncoder is not comp
                                                                                       atible
   StagerRetryCount                     10                                   no        The number of times the stager should retry if the first connect
                                                                                        fails
   StagerRetryWait                      5                                    no        Number of seconds to wait for the stager between reconnect attem
                                                                                       pts
   StagerURILength                                                           no        The URI length for the stager (at least 5 bytes)
   VERBOSE                              false                                no        Enable detailed status messages
   WORKSPACE                                                                 no        Specify the workspace for this module

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References

See Also

Check also the following modules related to this module:

Authors

  • Spencer McIntyre
  • sf
  • hdm
  • Borja Merino <bmerinofe[at]gmail.com>

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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