How to Open Password Protected Outlook Data (.PST ) Files?

How to Open Password Protected Outlook Data (.PST ) Files?

One of my colleagues asked me if it is possible to crack a password protected Outlook (. PST) Data File. The file contains some important project data but unfortunately he forgot the password. Even though I’m not a big fan of MS Outlook I decided to have a look in the password protection of the Outlook PST files. As usual, a Google search reveals a new world of password crackers!

An interesting article from Nirsoft revealed the internals of the PST password protection and I was surprised to see the weakest protection used for protecting the sensitive email archive data file! It’s just a slightly modified form of of weak CRC32!

The Protection used in PST Files

So how the PST file is protected with a password? Simple it’ll store the 32 bit CRC32 hash value of the password entered by the user. When a PST file is opened using any version of Outlook it’ll check the hash value stored in it. If this hash value is 0 the file will be opened without any password requirements. If it found any other value the enter password dialog will pop up.

The problem with CRC32 hash is the fact that a lot of strings can have the same CRC32 hash. This means for a single 32 bit hash value there will be a lot of different but correct passwords! For example, if you set the password ‘1234′ to your pst file, you can also open it with the following passwords: ‘yZdHpA’, ‘hkNkwC’, ‘YUWqKD’, ‘FkbbpH’, ‘WZHAwJ’, and much more..

So How to Open a Password Protected PST File?

You don’t need to grab the CRC hash and decode it to get a working password. There is lots of tools available online, most of them are commercial ones. But fortunately we got a cool tool from Nirsoft to do this job, with the best price tag ever, FREE! Download and check it out here.

This utility can recover the PST passwords of Outlook 97, Outlook 2000, Outlook XP, Outlook 2003, and Outlook 2007. You don’t have to install MS-Outlook in order to use this utility. You only need the original PST file that you locked with a password.

How to delete worm virus; enable windows task manager

REGISTRY DISABLE.
Run this to your command line

REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f


* Click Start, Run and type Regedit.exe
* Navigate to the following branch:

HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies\ System

* In the right-pane, delete the value named DisableTaskMgr
* Close Regedit.exe



HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies\ System



Cotrol+Alt+Alt Delete
END PROCESS.
INSTALL MCAfee Antivirus

WIN XP Installation KEY

WIN XP Professional - Qw4hd-dQCRG-HM64M-6GJRK-8K83T

Special Characters - Alt Keyboard Sequences

Special Characters

PORT QUERY command line.

DOWNLOAD

MICROSOFT DOWNLOAD


portqry -n localhost -e 80

Just download portqry.exe, then run command portqry /?

Interactive Mode:
An alternative to command line mode

portqry -i [-options]

For help with -i run portqry.exe and then type 'help' 

Examples

portqry -local
portqry -local -l MyLogFile.txt -v
portqry -wpid 1272 -wt 5 -l MyLogFile.txt -y -v
portqry -wport 53 -l dnslog.txt
portqry -n myserver.com -e 25
portqry -n 10.0.0.1 -e 53 -p UDP -i
portqry -n host1.dev.reskit.com -r 21:445
portqry -n 10.0.0.1 -o 25,445,1024 -p both -sp 53
portqry -n host2 -cn !my community name! -e 161 -p udp

How to set IP Address, Subnet Mask, Default Gateway and DNS via command prompt batch file

:This is coded by JOHN IAN R. MEDILO
:dated March 17, 2010 05:35am
:Usage: set address[name][[source=]dhcp| static [addr=]IP address[mask=]IP subnet mask][[geteway=]|none [gwmetric=]integer]"
:netsh interface ip show config
cls
@echo Hello World, we will change you IP.
@echo
@echo Please wait....
@echo off

@echo Changing your IP Address, Subnet Mask and Default Gateway
netsh interface ip set address "Local Area Connection" static 192.168.1.2 255.255.255.0 192.168.1.1

@echo Deleting all DNS
netsh interface ip delete dns "Local Area Connection" all

@echo Adding primary DNS = 8.8.8.8 ; NOTE: open DNS
netsh interface ip set dns "Local Area Connection" static 8.8.8.8 primary

@echo Adding Secondary DNS = 8.8.4.4; NOTE: open DNS
netsh interface ip add dns "Local Area Connection" 8.8.4.4 index=2

@echo Adding Secondary DNS = 4.1.1.1; NOTE: open DNS
netsh interface ip add dns "Local Area Connection" 8.8.4.4 index=3

ipconfig /all
netsh interface ip show config

MS DOS commands up to advance

http://www.computerhope.com/msdos.htm#02


MS-DOS command list

* See our our complete overview page for a brief description on each of the below commands.

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