how to use ollydbg to crack software pdf

#How to use ollydbg to crack software pdf how to
#How to use ollydbg to crack software pdf cracked
#How to use ollydbg to crack software pdf pdf

Choose “Search for text”:Īnd the search for text window opens. Right-click, choose “Search for” -> “All referenced text strings” and the search window will open. There are also specialized tools for dealing with Delphi programs, but fortunately we do not need to use them in this tutorial (we will get to them though ) We can tell for sure by running an ID program, but we’ll get into that in a future tutorial. Delphi uses a TON of calls all over the place. This is a good sign that the program was written in Delphi. You may notice that this looks a little different than most of the apps we’ve looked at so far there seem to be an awful lot of CALL instructions, without the typical Windows setup stuff (like RegisterClass…). Alright, we have a pretty good idea as to what we have at our disposal, so let’s load it up in Olly: This is a good starting point for penetration if the “search for strings” trick doesn’t work:Īnd here we see an option to enter a reg code:īummer. The next thing I usually look for is if there is a way to enter a registration code. Here we see the word “unregistered” again. The more you do this the more clues will jump out at you: During this phase, we are looking for keywords, recognizable method calls, stuff like that. A lot of times it will contain strings and or ideas for reversing. Usually, another place I look in an app is the about screen. Notice it says “unregistered” at the top in the title bar. Here we notice some strings that could be a potential help “unregistered”, “evaluation”, “registered” etc. Let’s leave the “Run the app” checked and see what we’re dealing with: After completion, the following screen comes up:

#How to use ollydbg to crack software pdf pdf

You can download the files and PDF version of this tutorial on the tutorials page. Just goes to show you you can’t judge an app by it’s downloads. To be totally honest, after cracking the program in this tutorial, I liked it so much I paid for the registration and now use the app legitimately.

#How to use ollydbg to crack software pdf cracked

In an attempt to not make this series about ‘getting cracked software’, I tried to get a program that no one would really want, so I downloaded this app, which had the least amount of downloads last week on. People put a great deal of time into apps and they deserve to be compensated.

#How to use ollydbg to crack software pdf how to

The target is included in this download (I am not stating the name of the program as the purpose of this tutorial is not to get a ‘cracked’ program but to learn how to do it.) Like all commercial programs, if you plan on using them, you really should consider buying it. We are going to patch it to think it is registered. This program has a time restriction, and after this time, it will not work anymore. In this tutorial we are going to take off the training wheels and crack a real program.