Questions tagged [patch-reversing]

Understand software updates only-based on binary patches by reversing it and analyzing the differences between old and new version of the software.

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1answer
5k views

lzma: File format not recognized [Details enclosed]

I'm trying to extract LZMA compressed data using binwalk but the fetched file is not being recognized. What am I doing wrong ? First I used binwalk to fetch some details as below : binwalk ...
4
votes
3answers
12k views

How to view strings in an executable?

I have been playing around, searching for Strings "Please wait!!!" "Done!!" Then I didn't find them in a Debugger so somebody suggested BinText can do the job, so I found this File pos Mem ...
0
votes
1answer
149 views

How to change text on the button?

I am new to reversing and I need to get some reversing experience. I need help on how to change the text on the Button. for example my Delphi xe app have the button(Continue) and I want to change it ...
1
vote
2answers
6k views

Hints to reverse engineering a QT software

I am facing a little bit of problem during reverse a QT application with Ollydbg or IDA. This software use a protection schema to indetify the number of click made on a QList. After a random amount ...
2
votes
1answer
4k views

Decompile erlang .beam files compiled without debug_info

I have an app that use erlang .beam compiled files without debugging information. Someone have some tips how to decompile or reverse engineering these? Thanks in advance
1
vote
4answers
2k views

How to cause program to stop execution when a particular value is found in memory

I am new to reverse engineering. This is my problem: I am running a program and I know a value 'X' will be calculated during execution. Now how do i set the IDA or ollydbg to break when value X ...
3
votes
3answers
1k views

is ther a way an app can display a message without the use of messagebox API?

I have app that used to display a message "processing" after clicking OK button then another message "done", but now it doesn't. So I got reverse it and see whats happening, but it turns out that the ...
1
vote
2answers
121 views

Monitor all changes done by function

What is the easiest way to track all changes before and after a specific function is executed. I know I can trace instruction but that may yield a long list of all command executed. I want to stop the ...
0
votes
0answers
172 views

How to access and modify data segment when doing hardware breakpoint crashes the application?

I want to modify the data segment in the x64_DBG, however, I don't know how to access it. lea r8,qword ptr ds:[7FEF0CA6AD8] In the above code, the address 7FEF0CA6AD8 is loaded in r8 register. I ...