Showing posts with label Hacking. Show all posts
GSM SIM Card is Finally Hacked, Puts 750 Million Users at Risk
The SIM was one of the few common things in tech which were considered impossible to hack. Until now. Karsten Nohl of Security Research Labs (based out of Germany) has finally got a way past the 56-digit unique code and found a simple process which leaves an estimated 750 million SIM cards at risk.
The research was done on a 1000 SIM cards and only the ones which were using the old DES (Data Encryption Standard) standard were found vulnerable. Cracking them is super-easy and takes just 2 minutes. A message is sent to the target SIM card while disguised as the carrier. In response, a message is received containing information needed to find a way past the 56-digit code or the digital key which can allow the hacker to take control of the target SIM.
After getting this information and taking control, the intruder can easily listen to your calls, send text messages and in short, have control over every form of data on your SIM card.
Mr. Nohl said:
“We can spy on you. We know your encryption keys for calls. We can read your S.M.S.’s. More than just spying, we can steal data from the SIM card, your mobile identity, and charge to your account.”
In all, about 25% of the SIM cards which were tested were found susceptible to such penetration. Newer technologies like NFC might be at risk too.
D.E.S. encryption, which is vulnerable to such hacks – is used on about half of the about six billion cellphones. Over the past decade, most operators have adopted a stronger encryption method, called Triple D.E.S., but many SIM cards still run the old standard.
The GSM Association hasn’t confirmed this just yet though as it will investigate the case first but if this, in any way is true, it will pose some serious threats to people using SIM card for much more complex purposes than calling and texting. Mobile payments that is.
Tag :
Hacking
Password Protect Any Folder Without Any Software
In my previous post i have teach you to hide files behind images. In this tutorial i will show you interesting and useful trick to password protect folder without using any software using batch file programming. This trick will work on all windows platform (Win XP, Win 7). Follow below tutorial to learn this trick.
How To Lock Folder ?
1. Open Notepad and Copy code given below into it.
cls
@ECHO OFF
title coolhacking-tricks.blogspot.com
if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLOCK
if NOT EXIST MyFolder goto MDMyFolder
:CONFIRM
echo Are you sure to lock this folder? (Y/N)
set/p "cho=>"
if %cho%==Y goto LOCK
if %cho%==y goto LOCK
if %cho%==n goto END
if %cho%==N goto END
echo Invalid choice.
goto CONFIRM
:LOCK
ren MyFolder "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
echo Folder locked
goto End
:UNLOCK
echo Enter password to Unlock Your Secure Folder
set/p "pass=>"
if NOT %pass%== zeehack goto FAIL
attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" MyFolder
echo Folder Unlocked successfully
goto End
:FAIL
echo Invalid password
goto end
:MDMyFolder
md MyFolder
echo MyFolder created successfully
goto End
:End
3. Now double click on lock.bat and a new folder will be created with name MyFolder
4. Copy all your data you want to protect in that New folder
5. Now double click on lock.bat and when command promp appears Type Y and press enter.
6. Now MyFolder will be hidden from you view, to access that folde double click on lock.bat
7. It will ask for password enter your password and done. (Default password is zeehack)
To change the password replace zeehack with new password in the above code
How To Further Secure ?
You might be thinking that anyone can access the password by opening that lock.bat file in Notepad or any other text editor. To make it more secure hide lock.bat in some secure location after following the above tutorial To access the secured file double click on lock.bat. I would suggest copying lock.bat file into Pen drive and copying it into your computer whenever you required to access to your protected files.