Fatty

Type your comment> @zard said:

Type your comment> @red0nyx said:

Getting this error in Java client Caused by: java.lang.SecurityException: SHA-256 digest error for b…xml | already change the settings but don’t seem to get it to work any help is appreciated!

you need to update the jar file

How do I update the jar file?

@Hackalicious said:
Type your comment> @zard said:

Type your comment> @red0nyx said:

Getting this error in Java client Caused by: java.lang.SecurityException: SHA-256 digest error for b…xml | already change the settings but don’t seem to get it to work any help is appreciated!

you need to update the jar file

How do I update the jar file?

used “jar uf jar-file fatty-*****t.jar”

not working … never mind got it.

I have been able to update the .jar file. However I am still getting SHA256 validation errors. What am I doing wrong?

@Hackalicious said:
I have been able to update the .jar file. However I am still getting SHA256 validation errors. What am I doing wrong?

What is giving you those errors - the JVM or the application? If it’s the JVM, find out why it does so, and make it stop validating those checksums :wink:

Type your comment> @Hackalicious said:

I have been able to update the .jar file. However I am still getting SHA256 validation errors. What am I doing wrong?

Maybe there are still remnants (e.g. signature files) from the old jar file that are being included in your new one.

whoa boy, looks like i hit a technical cap, got some reading to do, anyone want to point me to any good articles about the de serialization portion?

What program do I use to modify a .class file?

Type your comment> @Hackalicious said:

What program do I use to modify a .class file?

You can use a java IDE like Eclipse

Type your comment> @d3b4g said:

Type your comment> @Hackalicious said:

What program do I use to modify a .class file?

You can use a java IDE like Eclipse

I installed Eclipse on my kali box. Doesn’t open them. I must have done something wrong. Will rinse and repeat. TYVM

Type your comment> @prokaryont said:

Type your comment> @Hackalicious said:

I have been able to update the .jar file. However I am still getting SHA256 validation errors. What am I doing wrong?

Maybe there are still remnants (e.g. signature files) from the old jar file that are being included in your new one.

Was able to overcome using zip -d fy-c**.jar ‘-/.SF’ ‘-/.RSA’ ‘*-/*SF’

I got user but I’m running out of ideas for gaining root. Can anyone help me with a hint?
Please PM.

After two days of pain i’m completely stuck on root

@Hackalicious said:

@d3b4g said:

@Hackalicious said:

What program do I use to modify a .class file?

You can use a java IDE like Eclipse

I installed Eclipse on my kali box. Doesn’t open them. I must have done something wrong. Will rinse and repeat. TYVM

Well, you don’t open .class file in Eclipse, but rather the (decompiled) .java files :wink:

has anyone managed to compile the decompiled version, or is it easier to write a client from scratch (using the decompiled source)?

Type your comment> @HomeSen said:

@Hackalicious said:

@d3b4g said:

@Hackalicious said:

What program do I use to modify a .class file?

You can use a java IDE like Eclipse

I installed Eclipse on my kali box. Doesn’t open them. I must have done something wrong. Will rinse and repeat. TYVM

Well, you don’t open .class file in Eclipse, but rather the (decompiled) .java files :wink:

I discovered Recaf. Golden.

@an0n said:
has anyone managed to compile the decompiled version, or is it easier to write a client from scratch (using the decompiled source)?

It requires some manual tweaking, but I found it easier to import the decompiled client into Eclipse, manipulate it directly and then re-compile it using Maven.

@HomeSen said:

@an0n said:
has anyone managed to compile the decompiled version, or is it easier to write a client from scratch (using the decompiled source)?

It requires some manual tweaking, but I found it easier to import the decompiled client into Eclipse, manipulate it directly and then re-compile it using Maven.

thx, had some trouble with Eclipse, using pure Maven (after some minor tweaking) solved the issues.

Alternatively, you could modify java bytecode with recaf

Type your comment> @an0n said:

has anyone managed to compile the decompiled version, or is it easier to write a client from scratch (using the decompiled source)?

@flk said:
Alternatively, you could modify java bytecode with recaf

Thank you. I ran into issues with Eclipse. Installed, however, get errors when I try to open anything.

@Hackalicious said:
Type your comment> @an0n said:

has anyone managed to compile the decompiled version, or is it easier to write a client from scratch (using the decompiled source)?

@flk said:
Alternatively, you could modify java bytecode with recaf

Thank you. I ran into issues with Eclipse. Installed, however, get errors when I try to open anything.

use cmdline maven (after arranging everything to their appropriate folders).