Linux Chmod - Metasploit


This page contains detailed information about how to use the payload/linux/x86/chmod metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.

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Module Overview

Name: Linux Chmod
Module: payload/linux/x86/chmod
Source code: modules/payloads/singles/linux/x86/chmod.rb
Disclosure date: -
Last modification time: 2017-07-24 06:26:21 +0000
Supported architecture(s): x86
Supported platform(s): Linux
Target service / protocol: -
Target network port(s): -
List of CVEs: -

Runs chmod on specified file with specified mode

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/linux/x86/chmod
msf payload(chmod) > show options
    ... show and set options ...
msf payload(chmod) > generate

To learn how to generate payload/linux/x86/chmod with msfvenom, please read this.

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Msfconsole Usage

Here is how the linux/x86/chmod payload looks in the msfconsole:

msf6 > use payload/linux/x86/chmod

msf6 payload(linux/x86/chmod) > show info

       Name: Linux Chmod
     Module: payload/linux/x86/chmod
   Platform: Linux
       Arch: x86
Needs Admin: No
 Total size: 36
       Rank: Normal

Provided by:
  kris katterjohn <[email protected]>

Basic options:
Name  Current Setting  Required  Description
----  ---------------  --------  -----------
FILE  /etc/shadow      yes       Filename to chmod
MODE  0666             yes       File mode (octal)

Description:
  Runs chmod on specified file with specified mode

Module Options

This is a complete list of options available in the linux/x86/chmod payload:

msf6 payload(linux/x86/chmod) > show options

Module options (payload/linux/x86/chmod):

   Name  Current Setting  Required  Description
   ----  ---------------  --------  -----------
   FILE  /etc/shadow      yes       Filename to chmod
   MODE  0666             yes       File mode (octal)

Advanced Options

Here is a complete list of advanced options supported by the linux/x86/chmod payload:

msf6 payload(linux/x86/chmod) > show advanced

Module advanced options (payload/linux/x86/chmod):

   Name                        Current Setting  Required  Description
   ----                        ---------------  --------  -----------
   AppendExit                  false            no        Append a stub that executes the exit(0) system call
   MeterpreterDebugLevel       0                yes       Set debug level for meterpreter 0-3 (Default output is strerr)
   PrependChrootBreak          false            no        Prepend a stub that will break out of a chroot (includes setreuid to root)
   PrependFork                 false            no        Prepend a stub that starts the payload in its own process via fork
   PrependSetgid               false            no        Prepend a stub that executes the setgid(0) system call
   PrependSetregid             false            no        Prepend a stub that executes the setregid(0, 0) system call
   PrependSetresgid            false            no        Prepend a stub that executes the setresgid(0, 0, 0) system call
   PrependSetresuid            false            no        Prepend a stub that executes the setresuid(0, 0, 0) system call
   PrependSetreuid             false            no        Prepend a stub that executes the setreuid(0, 0) system call
   PrependSetuid               false            no        Prepend a stub that executes the setuid(0) system call
   RemoteMeterpreterDebugFile                   no        Redirect Debug Info to a Log File
   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

kris katterjohn

Version

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

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