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michaelpetrov / ctf_mpetrov.c
Created Feb 24, 2012
Stripe CTF Challenge Level 06 Solution
View ctf_mpetrov.c
//
// Created by Michael Petrov on 12-02-23.
// Copyright (c) 2012 TenthBit Inc. All rights reserved.
// http://michaelpetrov.com (petrov.michael@gmail.com)
//
//
// This solution performs a timing attack on the fork system call. By monitoring the process closely
// it is possible to discover where the fork likely happened. With some basic heuristics, it's possible
// to infer where the wrong character is. With very minor brute force searching it becomes very easy
// to find the password one letter at a time.
@michaelpetrov
michaelpetrov / gist:1899630
Created Feb 24, 2012
Stripe CTF Challenge - Solutions to all Levels
View gist:1899630
Stripe CTF - Work Notes
mpetrov (petrov.michael@gmail.com)
These notes are very rough. They should give a general idea of how each level was solved.
---- LEVEL 01 (login: e9gx26YEb2) -----
Solution: modifying PATH env variable
Password: kxlVXUvzv
date.c
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