##Forth (Pwn, 150p)
Connect to 136.243.194.49:1024 and get a shell.
###PL ENG
Łącząc się z podanym serwerem dostajemy taką odpowiedź:
yForth? v0.2 Copyright (C) 2012 Luca Padovani
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it under certain conditions; see LICENSE for details.
Forth pozwala nam na wykonanie systemowych komand za pomocą s" komenda" system (spacja przed komendą jest ważna)
Spróbujmy zatem wyświetlić zawartość aktualnego katalogu:
s" ls" system
flag.txt README.gpl run.sh yforth
ok
Zobaczmy co się znajduje w pliku flag.txt:
s" cat flag.txt" system
32C3_a8cfc6174adcb39b8d6dc361e888f17b
ok
Zadanie gotowe!
###ENG version
When connected to the server we get the following response:
yForth? v0.2 Copyright (C) 2012 Luca Padovani
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it under certain conditions; see LICENSE for details.
Forth allows system calls by calling s" command" system (notice the space before command)
Let's view the insides of our current folder then:
s" ls" system
flag.txt README.gpl run.sh yforth
ok
How about reading the flag.txt file?
s" cat flag.txt" system
32C3_a8cfc6174adcb39b8d6dc361e888f17b
ok
Challange complete!