HOW TO MOD / MODIFY JAVA (JAR) APPLICATIONS AND CREATE HANDLERS?
This is a free tutorial for you guys to mod java applications .
First of all you need to have the following Softwares :
Download them from the given links
1. 7zip (
http://www.7-zip.org/download.html) – This is free
software that is used in packing or unpacking
compressed files and folders. Ignore this if you have
WinZip or WinRAR or any similar software.
2. JD-GUI (
http://java.decompiler.free.fr/?q=jdgui) – This is a
free java decompiler. It can recreate the main source
code from the compiled machine binary code. You can
You may choose to download specific software
if you want to follow only specific part of this
tutorial. We will need these:
For Tutorial 1 : 7zip , JD-GUI , HEdit (or Class Editor)
For Tutorial 2: 7zip, JD-GUI, Java DeObfuscator,
HEdit,(or Class Editor use any other decompilers, like cavaj, JAD, Mocha or JD.
3. mirkes.de Tiny Hexer(
http://www.mirkes.de) – This is a hex editor. Any hex editor is okay. or
http://www.softpedia.com/dyn-postdownload.php?p=35737&t=4&i=1
4. Class Explorer(ClassExp) (
http://www.codexterity.com/classexp.htm)– This is a java
disassembler. As usual, you can have any other disassemble or SUN’s own javap
disassembler.
5. Java DeObfuscator (
http://www.softpedia.com/get/Programming/Debuggers-
Decompilers-Dissasemblers/Java-DeObfuscator.shtml) – It will deobfuscate the java
code, to make it easier to crack.
6. Class Editor (
http://classeditor.sourceforge.net/) - This is a class editor that can do
the work of both Hex Editor and the disassembler. The reason that I didn’t prefer it
at the first place is that it requires JRE (Java Runtime Environment) to be installed
on the system. If you want to get JRE you can get it here :
http://www.java.com/en/download/
You might not end up success in the first try itself, sometimes you
might have to sit for more than 10 Days to mod successfully an
Application.
