ISEC 2009 level3 solution by winappdbg

Level : 3

isec3.exe

This program is Encoder.
I encoded the plaintext And memo the encoded string.
But I fotget the plaintext!!!
SHIT, What the...!!!
I don't have decoder!
I hope you decode this string!

Encoded string : A1 FD 7E F6 F0 70 98 D6 E5 F8 FF F8 78 B8 DE ED 0D

p.s) You should input the key which are removed the space in plaintext!
ex.) a b cd(x) => abcd(o)

풀이

badcob_WinAppDbg.pdf

Python code

Bruteforce.py

sender.py

WinAppDbg Tutorial & Reference

winappdbg-tutorial-1.4.pdf

winappdbg-reference-1.4.pdf

불량식품이랑 문제 풀이는 철이 지나야 제맛.