If you've ever wondered how software pirates can take software and crack it time and time again, even with security in place, this small series is for you. Even with today's most advanced methods of defeating piracy in place, it is still relatively easy to crack almost any program in the world. This is mainly due to computer processes' ability to be completely manipulated by an assembly debugger. Using this, you can completely bypass the registration process by making it skip the application's key code verification process without using a valid key. This works because assembly allows you to speak directly to the processor and force a skip over the registration process.In this, let's go over how cracking could work in practice by looking at an example program (a program that serves no purpose other than for me to hack).
I will not be walking you through how to actually crack a legitimate program, because I can't just crack a program for demonstration, but the techniques applied to my examples should give you the foundation needed to create your own. At that point, it's a test of your morals if you want to use your knowledge for good or bad.
Requirements. Windows (for examples only, debuggers exist across platforms). A debugger installed:, etc. (ollydbg will be used in examples)Step 1 Test the ProgramFirst, run the program that you are attempting to reverse engineer and try to activate it with a random key to verify that you need a valid software key to proceed. This is to verify that we can come up with the keys. Step 2 Run the Program in a Debugger. Run ollydbg.
Open up the program you wish to bypass with ollydbg. Click the play button to run the program with the debugger attached. Right click the CPU window, and click Search For All intermodular calls. Search for high interest DLLs. GETDLGITEMTEXT, will be for dialog boxes, which get called when you try to enter a software key. By stepping into the function with the debugger, we can examine the registration specifically. SENDDLGITEM could be used as well.
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Test to see which one works to break out of the activation loop by right clicking the DLL call and setting a breakpoint for all instances of that call. Resume the program and enter any software key you feel like. If the debugger breaks (pauses the program's execution) after entering your key, then you know you found DLL in step 5. Press F8 back in the CPU window to force the next step until you get to the TEST EAX. EAX is the return of a value, which means that a check is being performed here. Scn coding for sale.
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Upon examination, we can see that the EAX is checking for a number that is not equal to a null value. This means that if it is replaced with anything other than null, it will run.
Right-click the EAX and change it in hex value to 1, instead of 0. Resume the program again, and you will have successfully activated the program. And for proof it was registered to me. Good evening, I need your help please so that this application opens without blockage, this app works with only one pc when I try to launch another it shows an error message indicates that the data are changed then there is a relationship between the application and the pc serial numbers, here's the link to download the application must decompress and then made double-clicks the file Star.exe to see the launch of the application and the error message. Here is the link for download:my email: [email protected]'s friends. On my home computer(windows 10) the software was running me in circles too, from what I can tell (and I'm not sure) but it looks like it doesn't like Windows 10 and maybe not 64 bit.The software is an older software that's probably only good up till windows 8 so you may have to get ya a cheap laptop with Windows 7All I know is both IMS 16 & 32 bit software both downloaded and open up fine on my windows 7 32 bit laptop.And that's how you get your through with your software reg but if you finding any difficulties in that just contact me on the email on my bio that's when you click on my profile.
Click to expand.WorldComposer automatically placed an area with the center at the zero point world position. This is because in Unity positions use floats, and floats are inprecise. The futher away you go from the zero point the positions become more inaccurate and objects start to jitter.I will add a snap option to area's in the next update and also that's it's possible to use a reference point for the center of the terrain on the map, so that area's can be placed next to each other, instead of always center at zero point.Nathaniel. WorldComposer automatically placed an area with the center at the zero point world position. This is because in Unity positions use floats, and floats are inprecise.
The futher away you go from the zero point the positions become more inaccurate and objects start to jitter.I will add a snap option to area's in the next update and also that's it's possible to use a reference point for the center of the terrain on the map, so that area's can be placed next to each other, instead of always center at zero point.Nathaniel. Click to expand.You can find all the tutorials here:I've expanded WorldComposer features since releasing it. For example later I created a shadow removal algorithm. But the interface still works the same only there are some new tabs like 'Image Editor' and 'Converter', I explain everything in the manual which is up to date, and also made new tutorial video's for shadow removal and multi-resolution terrain. The basic exporting still works the same, so I don't make a new tutorial video for it because there's some more features and options in WC.Nathaniel. Is there a way to normalize the heightmap within a given range?I have worked out a way of doing this with World Machine, but it involves guesstimating the lowest and highest points within the selected area.The reason for doing this is World Composer extracts a heightmap of range 0 to 9000. Chemdoodle activation code keygen idm. This makes it virtually impossible to use the terrain sculpting tools as a single click causes a giant hill to appear.In World Machine you can use a Clamp device to normalize the height range.Resulting in a new heightmap with a terrain height of 1000.
Clicking the raise terrain tool now has the desired effect. An issue with this method is the scale of hills is wrong, making them look squished or stretched.I'm thinking World Composer could have a way to normalize for the selected region. Is there a way to normalize the heightmap within a given range?I have worked out a way of doing this with World Machine, but it involves guesstimating the lowest and highest points within the selected area.The reason for doing this is World Composer extracts a heightmap of range 0 to 9000. This makes it virtually impossible to use the terrain sculpting tools as a single click causes a giant hill to appear.In World Machine you can use a Clamp device to normalize the height range.Resulting in a new heightmap with a terrain height of 1000.
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Clicking the raise terrain tool now has the desired effect. An issue with this method is the scale of hills is wrong, making them look squished or stretched.I'm thinking World Composer could have a way to normalize for the selected region. Click to expand.Hello,I took a look and actually it's a bug in the new normalizing of heightmaps feature of the latest WC 1.4. I made a fix for this. I will make an official update for WC. Included in the fix is also the possibility to extract 8k images in Unity5 (before limit was 4k).After importing the fix, you need to export the heightmap again, and then recreate the terrain, the heights should be correct then.As for the terrain looks blocky issue, I explain this in trouble shooting in the end of WC manual.
Also on my site:Have to leave the terrain resolution on 129, you put it to 1025.Nathaniel.
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