Z/OS (MVS) Command Shell, Reverse TCP Inline - Metasploit
This page contains detailed information about how to use the payload/mainframe/shell_reverse_tcp metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.
Module Overview
Name: Z/OS (MVS) Command Shell, Reverse TCP Inline
Module: payload/mainframe/shell_reverse_tcp
Source code: modules/payloads/singles/mainframe/shell_reverse_tcp.rb
Disclosure date: -
Last modification time: 2021-01-05 14:59:46 +0000
Supported architecture(s): zarch
Supported platform(s): Mainframe
Target service / protocol: -
Target network port(s): -
List of CVEs: -
Listen for a connection and spawn a command shell. This implementation does not include ebcdic character translation, so a client with translation capabilities is required. MSF handles this automatically.
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/mainframe/shell_reverse_tcp
msf payload(shell_reverse_tcp) > show options
... show and set options ...
msf payload(shell_reverse_tcp) > generate
To learn how to generate payload/mainframe/shell_reverse_tcp with msfvenom, please read this.
Required Options
- LHOST: The listen address (an interface may be specified)
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Msfconsole Usage
Here is how the mainframe/shell_reverse_tcp payload looks in the msfconsole:
msf6 > use payload/mainframe/shell_reverse_tcp
msf6 payload(mainframe/shell_reverse_tcp) > show info
Name: Z/OS (MVS) Command Shell, Reverse TCP Inline
Module: payload/mainframe/shell_reverse_tcp
Platform: Mainframe
Arch: zarch
Needs Admin: No
Total size: 339
Rank: Normal
Provided by:
Bigendian Smalls
Basic options:
Name Current Setting Required Description
---- --------------- -------- -----------
LHOST yes The listen address (an interface may be specified)
LPORT 4444 yes The listen port
Description:
Listen for a connection and spawn a command shell. This
implementation does not include ebcdic character translation, so a
client with translation capabilities is required. MSF handles this
automatically.
Module Options
This is a complete list of options available in the mainframe/shell_reverse_tcp payload:
msf6 payload(mainframe/shell_reverse_tcp) > show options
Module options (payload/mainframe/shell_reverse_tcp):
Name Current Setting Required Description
---- --------------- -------- -----------
LHOST yes The listen address (an interface may be specified)
LPORT 4444 yes The listen port
Advanced Options
Here is a complete list of advanced options supported by the mainframe/shell_reverse_tcp payload:
msf6 payload(mainframe/shell_reverse_tcp) > show advanced
Module advanced options (payload/mainframe/shell_reverse_tcp):
Name Current Setting Required Description
---- --------------- -------- -----------
AutoRunScript no A script to run automatically on session creation.
AutoVerifySession true yes Automatically verify and drop invalid sessions
CommandShellCleanupCommand no A command to run before the session is closed
CreateSession true no Create a new session for every successful login
InitialAutoRunScript no An initial script to run on session creation (before AutoRunScript)
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
ReverseListenerThreaded false yes Handle every connection in a new thread (experimental)
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
VERBOSE false no Enable detailed status messages
WORKSPACE no Specify the workspace for this module
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Related Pull Requests
- #14584 Merged Pull Request: Implement the zeitwerk autoloader within lib/msf/base
- #14202 Merged Pull Request: Implement the zeitwerk autoloader within lib/msf/core
- #8974 Merged Pull Request: spelling/grammar fixes part 4. Finished.
- #8338 Merged Pull Request: Fix msf/core and self.class msftidy warnings
- #6810 Merged Pull Request: Various payload style / bug / size fixes (and fix #6809)
- #6655 Merged Pull Request: use MetasploitModule as a class name
- #6292 Merged Pull Request: Added reverse shell payload for Mainframe
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See Also
Check also the following modules related to this module:
- exploit/mainframe/ftp/ftp_jcl_creds
- payload/cmd/mainframe/apf_privesc_jcl
- payload/cmd/mainframe/bind_shell_jcl
- payload/cmd/mainframe/generic_jcl
- payload/cmd/mainframe/reverse_shell_jcl
Authors
Bigendian Smalls
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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