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Hi folks,its been a long time since I have posted some thing technical,so I will be writing about the challenge I got at NIT KU, where I cracked WinRAR 3.80 using a disassembler and will tell you the same here. You can crack any version of WinRAR using this method and need not to pay for the registration fee and you can do this all by your self,easily. Furthermore, major software are cracked using the same way,but just get a bit complex in the methodology. This tutorial is intended for those who are new to cracking and disassembling.

Disclaimer – By Reading this tutorial You agree that this tutorial is intended for educational purposes only and the author can not be held liable for any kind of damages done whatsoever to your machine, or damages caused by some other,creative application of this tutorial.

In any case you disagree with the above statement,stop here.

The Tools

To perform this hack you will be needing -

1. Any De-assembler (I use Hackers Disassembler and Hview )
2. Resource Hacker
3. A patch Creator ( Use Universal Patch Creator or Code fusion)

You will be able to get them by googling ..

How to Crack ?

You need to have a bit knowledge of assembly language,and in case you don’t have it,just cram the steps and it will work anytime,every time. Download the latest version of WinRAR from their website and install it.

I will be cracking Winrar 3.80 here (cuz I already have it:P ). This is basically a 2 step process ( 4 step ,if you want to do things with a professional touch,period) .

Now copy the WinRAR.exe file to desktop. Make a copy of it there.

Step 1 – Hunting for Memory Address

Now load Hackers Disasembler and load the copy in it.

The Disassembler will disassemble the executable in assembly code. Now you need to search for strings that are used in WinRAR program. Press Ctrl + F and type “evaluation” without quotes and search in the assembly code. Hit enter..

After you have reached this block of code by searching, just look at the block of code above it. There you will find that some assembly values are being compared and then code is jumped to some other function. Now see carefully, the “evaluation copy” function must be invoked after some specific condition is met. We need to look for it at the code and the make certain changes to the condition so that the program doesn’t checks for the condition.

In the above code you can see this code -

00444B6A: 803DF4B84B0000 cmp byte ptr [004BB8F4], 00

00444B71: 0F859B000000 JNE 00444C12

This is the code responsible for validating you as a legal user . Just note down the memory address that leads to jump (JNE) at some memory location. In this case, note down 00444B71 .

Note : For any WinRAR version, this code and memory address might be different,but the JNE will be same. Just note down the respective memory address that checks.

Now you need to search for the code that brings that ugly nag screen “Please purchase WinRAR license” after your trial period of 40 days is over. For this,look over your toolbar and click on “D” which stands for looking for Dialog references.

Now in the dialog box that opens,search for “please” and you will get the reference as -

ID-REMINDER, “Please purchase WinRAR license”

Double click on it and you will reach the subsequent code.

The code will be something like

* String: “REMINDER”

0048731A: 68EB5E4B00 push 004B5EEB

Just note the memory address that invokes the REMINDER dialog. In this case its 0048731A. Note it down.

Note : For any WinRAR version, this code and memory address might be different.But the Reminder Memory address code will always PUSH something. Just note down the respective memory address that PUSH ‘s.

Step 2 – Fixing and Patching

Now in this step we will be patching up values of memory addresses we noted earlier. I will be doing this using HVIEW.

Now load the copy you disassembled in Hacker’s Disassembler in Hview.

After you have loaded it, you will see the code is unreadable. Its just like opening an EXE file in notepad. You need to decode it. To do that, just press F4 and yoiu will get an option to decode it. Hit DECODE and you will be able to see code in the form of assembly code and memory addresses.

After you have done that, you need to search for memory addresses you noted down earlier. Just hit F5 and a search box will be there. Now you need to enter the memory address. To do that, enter a “.” and the type memory address neglecting the earlier “00” . The “.” will suffice for “00”. ie -

Type .444B71 in place of 00444B71

and search in the code.

After you have reached the respective code, you need to make changes to it. Press F3 and you will be able to edit the code.Now make the following changes -

After you have done it, save it by pressing F9.

Now search for next memory location by pressing F5 and entering it. Reach there and make the following changes by pressing F3 -

Save the changes by pressing F9 and exit HVIEW by pressing F10.

Congrats..You have cracked WinRAR Replace the original WinRAR.exe with this copyofwinrar.exe by renaming it. It will work 100% fine

Step 3 – Spicing up the EXE

Now U have a 100% working version of EXE, you might want to change your registration information in WinRAR. TO do this, you can use Resource hacker.

Launch Resource Hacker, load the copyofwinrar.exe in it

Now go to DIALOG –> Expand tree –> ABOUTRARDLG and click it. Now Find Trial copy line and replace it with your favorite one

and click on Compile Script button.

Now save the file with any name on your desktop or any location what so ever.

Now you have a fully patched WinRAR.exe file ) you can either use it, or also can distribute it like a real cracker. If you want to learn that, move on to next step.

Step 4 – Creating a working Patch (or giving Professional touch )

I will be using diablo2oo2′s Universal Patcher (UPE) for creating the patch. The patch will work like any authentic one for that WinRAR version. Just like the one U downloaded at anytime of your life from any Crack and Keygen website.

Launch Patch Creator and click on add new project. Enter project Information and click on save.

Click on Add – > Offset patch

After you have done that, double click on offset patch and then

1. Give path of original winrar.exe
2. Give path of unmodified Winrar.exe (again)
3. Give path for fully patched Winrar.exe (ie Cracked Winrar.exe in this case)
4. Click on compare and it will show difference between both files
5. Click on save.

Now in the next window, click on Create Patch and save it. The Patch will be created. Now copy it in WinRAR installation directory and hit on patch, it WILL work.

Congrats you have created a patch of your own and have learned to crack WinRAR

You can crack other software in the same way…just practice,debug and disassemble and you will get the way

[PS: The above is the long way to do it, I will be telling you the shortest way to crack WinRAR in just 1 step, the main aim of this tutorial was to introduce you to disassemblers and tools, and do some dirty work with your hand. ]

Cheers

XERO

This post is taken from One of my friend’s[Rishabh ] blog

The original post can be found here. The Blog is really good place to learn and i recommend you people to visit his blog.

Regards

Vivek Sinha Anurag

Not much days left when iPad gonna have competition with google tablet. Google tablet is going to be in market very soon as people are waiting for it eagerly. Google will have advantage as it will learn from the drawbacks that Applle iPad is having and its definitely gonna imrove its quality.

The Probable picture how the tablet will look like is not exactly clear but somewhat it will look like this:

It will have almost all the featuersthat google iPad have plus we may expect some additional features. Lets see what unexpected google offers in this tablet.

The iPad was supposed to change the face of computing, to be a

completely new form of digital experience. But what Steve Jobs showed

us yesterday was in fact little more than a giant iPhone. A giant

iPhone that doesn’t even make calls. Many were expecting cameras,

kickstands and some crazy new form of text input. The iPad, though, is

better defined by what isn’t there.

Flash

Many people will bemoan the lack of support for Adobe’s interactive

software, Flash. It wasn’t mentioned, but eagle-eyed viewers would

have seen the missing plugin icon on the New York Times site during

yesterday’s demo, and given that Apple clearly hates Flash as both a

non-open web “standard” and as a buggy, CPU-hungry piece of code, it’s

unlikely it will ever be added, unless Apple decides it wants to cut

the battery life down to two hours.

Who needs Flash, anyway? YouTube and Vimeo have both switched to H.264

for video streaming (in Chrome and Safari, at least — Firefox doesn’t

support it), and the rest of the world of Flash is painful to use.

In fact, we think the lack of Flash in the iPad will be the thing that

finally kills Flash itself. If the iPad is as popular as the iPhone

and iPod Touch, Flash-capable browsers will eventually be in the

minority.

OLED

One of the biggest rumors said that there would be two iPads, one with

an OLED screen and one without. But as our own Apple-master Brian X

Chen pointed out, an OLED panel of this size runs to around $400. Add

in the rest of the hardware and even the top-end $830 model wouldn’t

be making Apple much money.

OLED also has some dirty secrets. It may be more colorful, but it uses

more power than an LED backlit screen when all the diodes are lit up

(white on black text is where OLED energy savings shine). It is also

rather dim in comparison, and making an e-reader that you can’t use

outdoors would be a stupid move from Apple.

USB

The iPad is meant to be an easy-to-use appliance, not an all-purpose

computer. A USB port would mean installing drivers for printers,

scanners and anything else you might hook up. But there is a

workaround: the dock connector. Apple has already announced a camera

connection kit, a $30 pair of adapters which will let you either plug

the camera in direct or plug in an SD card to pull off the photos.

The subtle message here is that it’s not a feature for the pros: the

lack of a Compact Flash slot in that adapter says “amateur

photographers only.”

Expect a lot more of these kinds of accessories, most likely combined

with software. How long can it be before, say, EyeTV makes an

iPad-compatible TV tuner?

GPS

Apple put a compass inside every iPad, so you’d think that there would

be a GPS unit in there, too. The Wi-Fi-only models get nothing, just

like the iPod Touch, but more surprising is that the 3G iPads come

with Assisted GPS.

Assisted GPS can be one of two things, both of which which offload

some work to internet servers and use cell-tower triangulation. The

difference is that some AGPS units have real GPS too, and some don’t.

We’ll know which the iPad has as soon as we get our hands on one.

Update: Several readers have pointed out that Apple uses the term

A-GPS for the iPhone 3G, which makes it very likely that the GPS

capability is of the proper, satellite-navigation kind. This “Assisted

GPS” is “just GPS (the U.S. space-based global navigation satellite

system) plus faster signal lock with assistance from cell towers.”

(Thanks, Nathan!)

Multitasking

>From the demonstrations at the Jobsnote it appears that, like the

iPhone, we can’t run applications in the background. This will annoy

many Wired readers, but it will not matter at all to the target user,

who will be using the iPad to browse and consume media. In fact, this

user will benefit, as the lack of CPU-cycle-sucking background

processes is likely a large part of that ten-hour battery life.

If you are authoring content, like this post, then multiple browser

windows, a text editor, a mail client and a photo editor all make

sense. If you’re reading an e-book, not so much.

Keyboard

Nobody really thought the iPad would have a physical keyboard. That

won’t stop the whining, though. The difference, again, between the

iPad and a MacBook is that one is a multi-purpose device and the other

is a media player.

The fact that Apple actually has made an optional keyboard for it is

the biggest surprise (apart from the iPad’s base $500 price). In fact,

this little $70 keyboard will mean that, despite its simplified

nature, the iPad is enough laptop for many people. Why bother with a

$400 netbook when you can have this instead?

Camera

No video camera, no stills camera, and no webcam. The first two will

likely never make it into a future iPad, as we all have our iPhones or

actual cameras with us, too. But the lack of a webcam is odd, as it

closes off the possibility of using the iPad as a videophone.

I figure this is a cost-saving measure on Apple’s part. Too bad,

though, as it is the only thing that stops me buying an iPad for my

parents, whom I talk to on Skype. There seems to be no other reason

not to have a webcam in the bezel other than price. We expect to see

one in v2.0.

Verizon

iPhone users hate AT&T, but the only alternative is T-Mobile, whose

coverage isn’t as good. Until Verizon switches to the world-standard

GSM SIM card, don’t expect to see an Apple product on its network. You

can forget all those Verizon iPhone rumors right now.

16:9

The iPad screen is a relatively square, by today’s standards, with an

old-school 4:3 screen aspect ratio. This is not ideal for watching

widescreen movies: you get a thick black “letterbox” bar top and

bottom. But take another look at the hardware: the Apple on the back,

and the position of the home button both tell us that the iPad is

meant to be used in portrait mode, at least most of the time. And a

16:9 aspect ratio in this orientation would look oddly tall and

skinny, like an electronic Marilyn Manson.

It’s a compromise, and a good one. If you really do spend most of your

time watching movies on the iPad, maybe you should think about buying,

you know, a big TV.

HDMI

There will be video out, likely through the dock connector, as Jobs

said during his presentation that you’ll be able to hook the iPad up

to a projector. But no HDMI out? How do you hook it up to your HD

monitor?

The short answer is that you don’t. The maximum audience for an iPad

screening is two. You want more? Use your laptop and hook that up, or

your desktop machine. Remember, there are two kinds of people who will

buy the iPad. One, nerds like you and me, who care about things like

HDMI and also already own a computer that can do that.

And two, people who are buying this instead of a computer. Those

people will probably still have DVD collections, or even VCRs. They

don’t even know what HDMI is. I think I can guess what Apple thought

about putting another expensive connector into the machine just to

please a few geeks.

How could it have been better?

Here’s a list of things we felt strongly about. Post yours in the comments section below. Please keep the tampon jokes to a minimum.- No camera. Video conference calls over Skype or iChat with a front-facing hidden iSight camera would have been a killer feature. Apple did announce 30-pin connector accessories like an external keyboard, however there’s been no mention of an external video capture device. Hopefully something is in the works. I personally feel they should have held off the launch of this until a built-in camera was available. #1 feature, completely missed — and will keep many from not buying. As Spock would say, this is quite illogical.

- No phone. There’s 3G support, but no phone support? Perhaps VOIP is the answer.

- AT&T only? The love/hate relationship between Apple and AT&T continues. Why, man, why?

- Picture frame. What’s the deal with the humongo black frame? My guess is usability tests showed that it was necessary (the way users held the iPad), but it sure doesn’t look as slick as if the screen met up with the edge of the case.

- Mobile Safari still doesn’t support Flash. I suspect Apple’s mobile devices will be the death of Flash, and maybe that’s their intent? As a web developer myself, I avoid Flash or have to disable Flash for mobile devices for this very reason.

- Multitasking. There’s still no multi-tasking support with the iPhone operating system. Yikes!

- Storage. 64GB is the best they could do? What about support for network drives, memory expansion, or even tossing in a small hard drive?

- Battery. Like all Apple products these days, there’s no way to change the battery. A trend that nobody likes except for Apple.

And finally, I’m a bit bummed that there was no mention at all about an iPhone update, or at the very least — an iPhone OS update. I realize that an hour and a half on the iPad left little time to discuss anything else–but it’s been a long while since we’ve had an iPhone or iPod Touch OS update.

Technical Specifications

Size and weight

Height:

9.56 inches (242.8 mm)

Width:

7.47 inches (189.7 mm)

Depth:

0.5 inch (13.4 mm)

Weight:

1.5 pounds (.68 kg) Wi-Fi model;

1.6 pounds (.73 kg) Wi-Fi + 3G model

Display

§      9.7-inch (diagonal) LED-backlit glossy widescreen Multi-Touch display with IPS technology

§      1024-by-768-pixel resolution at 132 pixels per inch (ppi)

§      Fingerprint-resistant oleophobic coating

§      Support for display of multiple languages and characters simultaneously

Wireless and Cellular
Wi-Fi model

§      Wi-Fi (802.11 a/b/g/n)

§      Bluetooth 2.1 + EDR technology
Wi-Fi + 3G model

§      UMTS/HSDPA (850, 1900, 2100 MHz)

§      GSM/EDGE (850, 900,1800, 1900 MHz)

§      Data only2

§      Wi-Fi (802.11 a/b/g/n)

§      Bluetooth 2.1 + EDR technology

Location

§      Wi-Fi

§      Digital compass

§      Assisted GPS (Wi-Fi + 3G model)

§      Cellular (Wi-Fi + 3G model)

In the Box

§      iPad

§      Dock connector to USB cable

§      10W Power Adapter

§      Documentation

Environmental Status Report

iPad embodies Apple’s continuing environmental progress. It is designed with the following features to reduce environmental impact:

§      Arsenic-free display glass

§      BFR-free

§      Mercury-free LCD display

§      PVC-free

§      Recyclable aluminum and glass enclosure

Capacity

§      16GB, 32GB, or 64GB flash drive

Processor

§      1GHz Apple A4 custom-designed, high-performance, low-power system-on-a-chip

Sensors

§      Accelerometer

§      Ambient light sensor

Audio Playback

§      Frequency response: 20Hz to 20,000Hz

§      Audio formats supported: AAC (16 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (16 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV

§      User-configurable maximum volume limit

TV and Video

§      Support for 1024 x 768 with Dock Connector to VGA adapter; 576p and 480p with Apple Component A/V Cable, 576i and 480i with Apple Composite Cable

§      H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats

Mail attachment support

§      Viewable document types: .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel)

Languages

§      Language support for English, French, German, Japanese, Dutch, Italian, Spanish, Simplified Chinese, Russian

§      Keyboard support for English (US) English (UK), French (France, Canada), German, Japanese (QWERTY), Dutch, Flemish, Spanish, Italian, Simplified Chinese (Handwriting and Pinyin), Russian

§      Dictionary support for English (US), English (UK), French, French (Canadian), French (Swiss), German, Japanese, Dutch, Flemish, Spanish, Italian, Simplified Chinese (Handwriting, Pinyin), Russian

Accessibility

§      Support for playback of closed-captioned content

§      VoiceOver screen reader

§      Full-screen zoom magnification

§      White on black

§      Mono audio

Battery and Power

§      Built-in 25Whr rechargeable lithium-polymer battery

§      Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music

§      Charging via power adapter or USB to computer system

Input and Output

§      Dock connector

§      3.5-mm stereo headphone jack

§      Built-in speakers

§      Microphone

§      SIM card tray (Wi-Fi + 3G model only)

External buttons and controls

·         On/Off, Sleep/wake

·         Mute

·         Volume up/down

·         Home

Mac system requirements

§      Mac computer with USB 2.0 port

§      Mac OS X v10.5.8 or later

§      iTunes 9.0 or later (free download from www.itunes.com/download)

§      iTunes Store account

§      Internet access

Windows system requirements

§      PC with USB 2.0 port

§      Windows 7, Windows Vista; Windows XP Home or Professional with Service Pack 3 or later

§      iTunes 9.0 or later (free download from www.itunes.com/download)

§      iTunes Store account

§      Internet access

Environmental requirements

§      Operating temperature: 32° to 95° F (0° to 35° C)

§      Nonoperating temperature: -4° to 113° F (-20° to 45° C)

§      Relative humidity: 5% to 95% noncondensing

§      Maximum operating altitude: 10,000 feet (3000 m)