Pull APKs from non-rooted Android Devices

I have been using a Samsung Galaxy S5 for awhile now, since my iPhone 4S' screen is way too small these days. Recently, the student housing organisation wanted anonymous feedback from the tenants via a mobile app. But before using it I wanted to try looking at the internals of ...

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[Nullcon HackIM 2014] Forensics 2 Writeup

Points: 200

Description: There was a zip file on the desktop. I can't remember the password for it.

We saw a zip file named: "null password.zip" on the desktop. When opened, there are 2 files which are encrypted. So it was clear that we needed to crack the ...

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Zeromutarts CTF Crypto Challenges

The magic of rsa (100)

You were able to hear some whispering on the last crypto party! whisper d is 35181901. Keep it secret or we are doomed!

We were given 2 files for the challenge.

1) rsa.py

#!/usr/bin/env python

import sys

n= 65354147
e = 13

d ...
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