Noticed samrdump.py has an issue when it receives data from connection:

Code:
# python ./samrdump.py 192.168.13.x
Retrieving endpoint list from 192.168.13.x
Trying protocol 445/SMB...
Found domain(s):
 . x
 . Builtin
Looking up users in domain x
Found user: x, uid = 1010
Found user: x, uid = 501
Found user: x, uid = 1026
Found user: x, uid = 1202
.... (shortened for simplicity)
games (1010)/Enabled: true
games (1010)/Last Logon:
Traceback (most recent call last):
  File "./samrdump.py", line 182, in <module>
    dumper.dump(address)
  File "./samrdump.py", line 81, in dump
    print base + '/Last Logon:', user.get_logon_time()
  File "/usr/lib/pymodules/python2.5/impacket/dcerpc/samr.py", line 128, in get_logon_time
    return display_time(self._logon_time_high, self._logon_time_low)
  File "/usr/lib/pymodules/python2.5/impacket/dcerpc/samr.py", line 33, in display_time
    r = (strftime("%a, %d %b %Y %H:%M:%S",gmtime(d)), minutes_utc/60)[0]
ValueError: timestamp out of range for platform time_t
Yes, I had permission to scan this machine.