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Reverse Engineering : Recent Questions and Answers (Page 37)

Find answers to your questions about Reverse Engineering or help others by answering their Reverse Engineering questions.

Unpacking UPX packed (possibly scrambled) executable

I've decided to reverse this crackme. Obviously it's packed. I was told by PeID that there is only UPX inside. Ok, but upx -d simple crashed that's...

Asked on 12/19/2020 by see ya

2 answer

Using NAND flash dump with OOB data

I have NAND flash memory dump, as a separate MTD partitions copied from NAND flash chip use built-in nanddump commands. I need to reflash some corrupted MTD partitions. In order...

Asked on 12/19/2020 by minto

2 answer

IDA how to view path between 2 functions

I like to view the path between 2 functions with IDA 7.0. I have already tried with "function browser" but not work becouse these 2 functions are not linked. For...

Asked on 12/18/2020

2 answer

Methods to alert inappropriate use of JS code

Let's say we have a JS code library that is not for sale, just internal. Of course, anyone who can access the website will be able to download that and...

Asked on 12/18/2020

0 answer

Correct way to understand local_ in ghidra disassembly

Attached is the part of a disassembled main from a x86 binary file, generated by ghidra. ...

Asked on 12/18/2020 by Mah35h

1 answer

Meaning of Flags in ELF Section header?

Given this classic helloworld.c example,#include <stdio.h>int main() { printf("Hello world!n");}In below sections output, the value for Flags presents a couple of different values, e.g. A, AI,...

Asked on 12/18/2020 by Jiaming

2 answer

Finding Ropper/ROPgadget offsets in Ghidra disassembly

How is the offsets returned from ROP gadget finders related to the files they come from? For example, if the ROP gadget finder says that a certain gadget is at...

Asked on 12/16/2020 by joshu

1 answer

What is the meaning of ARM LDAXR/STLXR instructions?

Often while disassembling ARM files, I see some code snippet with the following pattern:loc_BB30:.text:C0 FE 5F 88 LDAXR WZR,...

Asked on 12/14/2020 by macro_controller

1 answer

Need help to understand this assembly for fibonacci seq

I understand the assembly properly. I am just confused about variable 'b' and 'c'. It looks like b is stored at 12(%ebp). I conclude this from cmp 12(%ebp), %eax. If...

Asked on 12/11/2020 by Neon_lights

1 answer

Recognize of data block

Assembler code from data segment:.data:006A5038 dword_6A5038 dd 0.data:006A5038 ...

Asked on 12/10/2020

1 answer

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