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Login to Another User with Su on Linux / Unix Systems

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Login to Another User with Su on Linux / Unix Systems

Disclosed
11/03/1971
Created
10/20/2020

Description

This module attempts to create a new login session by invoking the su command of a valid username and password. If the login is successful, a new session is created via the specified payload. Because su forces passwords to be passed over stdin, this module attempts to invoke a psuedo-terminal with python, python3, or script.

Author(s)

  • Gavin Youker <youkergav@gmail.com>

Platform

Linux,Unix

Architectures

x86, x64

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/linux/local/su_login
msf exploit(su_login) > show targets
    ...targets...
msf exploit(su_login) > set TARGET < target-id >
msf exploit(su_login) > show options
    ...show and set options...
msf exploit(su_login) > exploit

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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