Reflective DLL Injection, Windows Reverse HTTP Stager (winhttp) - Metasploit


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

Table Of Contents
hide

Module Overview

Name: Reflective DLL Injection, Windows Reverse HTTP Stager (winhttp)
Module: payload/windows/dllinject/reverse_winhttp
Source code: modules/payloads/stagers/windows/reverse_winhttp.rb
Disclosure date: -
Last modification time: 2020-09-22 02:56:51 +0000
Supported architecture(s): x86
Supported platform(s): Windows
Target service / protocol: -
Target network port(s): -
List of CVEs: -

Inject a DLL via a reflective loader. 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/windows/dllinject/reverse_winhttp
msf payload(reverse_winhttp) > show options
    ... show and set options ...
msf payload(reverse_winhttp) > generate

To learn how to generate payload/windows/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

Go back to menu.

Msfconsole Usage

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

msf6 > use payload/windows/dllinject/reverse_winhttp

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

       Name: Reflective DLL Injection, Windows Reverse HTTP Stager (winhttp)
     Module: payload/windows/dllinject/reverse_winhttp
   Platform: Windows
       Arch: x86
Needs Admin: No
 Total size: 891
       Rank: Normal

Provided by:
  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:
  Inject a DLL via a reflective loader. Tunnel communication over HTTP 
  (Windows winhttp)

Module Options

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

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

Module options (payload/windows/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 windows/dllinject/reverse_winhttp payload:

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

Module advanced options (payload/windows/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 characters
   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 characters
   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 requests
   HttpUnknownRequestResponse  <html><body><h1>It works!</h1></body></html>                   no        The returned HTML response body when the handler receives a request that is not from a payload
   HttpUserAgent               Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko  no        The user-agent that the payload should use for communication Max parameter length: 255 characters
   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 number 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 for 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
   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
   StageEncoder                                                                               no        Encoder to use if EnableStageEncoding is set
   StageEncoderSaveRegisters                                                                  no        Additional registers to preserve in the staged payload if EnableStageEncoding is set
   StageEncodingFallback       true                                                           no        Fallback to no encoding if the selected StageEncoder is not compatible
   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 attempts
   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

Go back to menu.

References

See Also

Check also the following modules related to this module:

Authors

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

Version

This page has been produced using Metasploit Framework version 6.1.24-dev. For more modules, visit the Metasploit Module Library.

Go back to menu.