SECCON CTF 2014: Holy shellcode

Category: Exploit Points: 400 Description:

Get the keyword.txt from hebrew.pwn.seccon.jp:10016.

Holy shellcode using Hebrew characters in UTF-16LE http://hebrew.pwn.seccon.jp/nikud/hebrew-utf16le.html

Server files:

1. stage16
2. stage16_conf

For example:

$ vi holy.nasm
BITS 32
db 0x24,0xFB,0x34,0xFB,0x1E,0xFB,0x1F,0xFB
db 0x0a
$ nasm -f bin holy.nasm -o holy
$ cat holy | nc hebrew.pwn.seccon.jp 10016

Bless you!

Write-up

(TODO)

Other write-ups and resources

• https://rzhou.org/~ricky/seccon2014/holy_shellcode/
• http://pastebin.com/Fau8A3La