Questions tagged [debuggers]
Debuggers allow the user to view and change the running state of a program.
36
questions with no upvoted or accepted answers
5
votes
0
answers
380
views
Instruction counting anti-debug
I recently came across this anti-debug technique being used in the wild.
In The Ultimate Anti-Debugging Reference, the author wrote in the "Instruction Counting" section
A debugger will interfere ...
- 180
4
votes
0
answers
283
views
How to redirect stdin in OllyDbg?
When I use IDA, I can use stdin from the file as in bash.
When I tried to do it in OllyDbg, it processed the parameters simply as a string.
Can I redirect stdin in OllyDbg?
3
votes
0
answers
258
views
How to do live debugging of ARM64 binaries on macOS with M1/M2 chips?
I'm trying to figure out why NSSavePanel fails in my SwiftUI app. I tried every possible documentation, or asking on the Swift programming forums - to no avail.
I'm originally a Windows programmer, ...
- 1,639
3
votes
0
answers
66
views
x32dbg version causes crash on breakpoint
i'm a newbie to this whole shindig, and have started with https://gamehacking.academy. i'm finding this fun, but am getting stuck here: when i try to apply a breakpoint using x32dbg, as in https://...
3
votes
0
answers
514
views
Ghidra view stack frame values
I'm learning reverse engineering, and I'm using Ghidra's debugger to analyze a running program. I want to view the values that are on the stack for a function, but I can't figure out how to do this.
I'...
- 131
3
votes
0
answers
51
views
IDA's debuggers disappeared
Using IDA 7
I've been debugging a program with remote GDB just fine. Today when I opened the database, most of the debuggers are missing from the list, including GDB. It's only when opening this ...
- 31
3
votes
1
answer
1k
views
Cannot open '/proc/.../maps': No such file or directory in radare2 debug mode
When I try to load a program to radare2 debug mode, most of the time I get the following error:
$sudo r2 -d a.out
Hello world!= attach 2851 2851
Cannot open '/proc/2851/maps': No such file or ...
- 153
2
votes
0
answers
719
views
Recommended plugins for x64dbg
I was wondering, as professional reverse engineers - what would be your "must-have" plug ins? Please give a brief description and say how it helps you and possible drawbacks.
The more you can ...
- 86
2
votes
0
answers
711
views
Seeking front end for MinGW gdb debugger
We are unit testing with Vectorcast, which uses the MinGW tool chain on Windows.
It launches the command line gdb, but some of the newer engineers are having problems getting to grips with something ...
2
votes
0
answers
249
views
(iOS lldb) Unable to debug past a splash/loading screen
I'm trying to lldb debug this certain iOS application.
Its behavior is that when I click the application, the splash/loading screen comes up, then the main activity.
However, whenever I try to debug ...
- 121
2
votes
0
answers
310
views
How can I fix an unpacked binary which calls out-of-bounds memory?
I've unpacked a binary which was packed with PECompact v2.2 (according to Detect It Easy) and successfully rebuilt the IAT. The binary actually does run, but when I open it in IDA Pro debugger, it is ...
- 1,830
2
votes
0
answers
2k
views
Error: the file can't be loaded by debugger plupin IDA PRO 64 bit
I use IDA PRO 64bits on windows 10 64 bit, I want use it remote debug a file 64bit by linux. When I run linux_serverx64 in linux and connect then i error: the file can't be loaded by debugger plupin ...
- 323
2
votes
1
answer
326
views
BinNavi Debugging Executable with Arguments
It is about debugging some executable by using Zynamics BinNavi 5.0. And there's no problem if I want to start debugging without any command line parameters (i.e. "my.exe"), but I cannot find a way to ...
- 169
1
vote
0
answers
51
views
Process stuck on the entry point
I'm trying to patch an old game (1998-ish) that runs on windows 95 and windows XP to make it compatible with windows 11.
The current problem with it is that when running the exe file nothing seems to ...
- 21
1
vote
0
answers
64
views
debug native code and net code
I have a .net dll with a lot of calculations and formulas.
From this dll, I want to set breakpoints to see the calculated results for a specific field.
The main program is written in native code. So, ...
- 11
1
vote
0
answers
431
views
x64dbg isn't running the program I'm looking at
I'm almost definitely being an idiot but I have opened up an .exe file in x64dbg and I can run the file just fine when looking at the assembly but it doesn't open a second window so I can see the ...
- 11
1
vote
0
answers
2k
views
In X64dbg, how can I script a string write to memory?
I find that I can write to memory as
[addr] = value
As given by the documentation at http://help.x64dbg.com/en/latest/introduction/Input.html
And while I could work around my problem as dividing ...
- 11
1
vote
0
answers
260
views
Issues with Symbols when running windbg on windows xp sp3
I have been trying to debug a crash using windbg on windows xp sp3. I have been getting the below error while trying to debug. I googled around and found the Microsoft no longer offers symbols exe as ...
1
vote
0
answers
1k
views
Ida permission error
I tried debugging an running a program via ida64 and it says permission denied please reopen with elevated permission. I am on a mac please tell me how to fix this
- 19
1
vote
0
answers
417
views
UTF8, UTF16 encoding string search
I want to search for a string written in Georgian from within x64dbg. It shows me spaces except them..
P.S I found this github repository but, I don't know how to install the plugin in the debugger.....
1
vote
0
answers
356
views
How to find function called by instantaneous event (like mouse press for exemple)
I'm sorry if my question isn't very clear, I have trouble phrasing it so please bear with me.
I was playing around with Cheat Engine lately and found myself in a situation where I needed to find what ...
- 83
1
vote
0
answers
109
views
IDA Pro - Remote debugging suse enterpris server 10 (glibc2_10 required)
I have a Suse enterprise server 10 on VMWare. I want to remote debug an application in this VM using IDA pro, I already tried these:
Copied linux_server form IDApro into this VM and tried to run it, ...
- 11
1
vote
0
answers
983
views
Immunity Debugger Unable to set Breakpoint
I have recently installed Immunity Debugger in order to do some dynamic analysis on some Malware however am getting the same 2 errors no matter what i try.
The first error is that Immunity is 'Unable ...
- 11
1
vote
0
answers
724
views
OllyDbg step over command not behaving exactly as the Immunity Debugger
I am taking Lena Reverse Engineering Tutorial and it uses OllyDbg debugger for its teaching.
In the first chapter, he shows the file in OllyDbg debugger and steps over through it "step by step" until ...
- 111
1
vote
0
answers
918
views
Ignore Path and Extension in OllyDBG 2?
I have an exe on my desktop that i began debugging a while ago, so i have a lot of notes/breakpoints stored in the udd file. I now need to move that exe to a different directory but Olly sees it as a ...
- 11
1
vote
0
answers
302
views
immunity debugger MSVCR90.dll R6034
I'm new to the science of reverse engineering. I recently downloaded immunity debugger 1.85 32bit Assembler-Level Debugger. My host machine is Windows 7 64 bit. I have python 2.7 installed as 32 bit ...
- 155
1
vote
0
answers
690
views
How to decrypt this file?
I have to decrypt a file that is used by an app built using VB5. The file itself contains some data that is decrypted when the app is run and the decrypted data is text data that is displayed in a ...
- 11
0
votes
0
answers
56
views
Is there a debugger for the entire x86 architecture?
When learning about the topic that includes processes, threads and image files it helped immensely to use x86dbg. However, it only shows things from the "view" of a single process.
I am ...
- 3
0
votes
0
answers
233
views
x64dbg show some text in Chinese
While debugging some 32-bit file with x32dbg, some of the text appear in Chinese and I don't why.
This happened after I moved to a new computer but both of them were Windows 10.
In my old computer I ...
- 573
0
votes
0
answers
1k
views
x64dbg execute till next call OR return
I am using x64dbg and I want to know if there's any way to run the code till next Call statement?
I know there is an "Execute till return" option,
but I want to execute till next call ...
- 1
0
votes
0
answers
455
views
Using IDA pro 7.2 and android server breakpoints problem
i have been trying to use IDA to make a breakpoints on a 4 byte memory address
to find out what arm op code writes to it . yet it fails to set a breakpoint and gives me this message " Xscale support ...
- 1
0
votes
0
answers
115
views
Immunity Debuggger Inconsistent Results
Question for people using Immunity Debugger.
Just started using Immunity Debugger, using 1.85 on Win 7 Pro.
Doing some labs on vulnserver.exe and I am getting inconsistent results from Immunity ...
- 1
0
votes
0
answers
385
views
OllyDbg - After restarting program, breakpoints lost
I am new to OllyDbg and I made a small (.NET Console App) program to test if I can crack the password. To set the break point where it writes Incorrect password. I need to run the program first. But ...
0
votes
0
answers
118
views
How to debug programs that load from another one? with radare2/gdb
I'm reversing engendering a plugin. This plugin is loaded into memory by the main program.
I disassemble the plugin with radare2 but I don't know how to debug it.
I try with gdb but same problem.
I ...
- 476
0
votes
1
answer
5k
views
How to find functions in IDA Pro/x64dbg
i created a program for testing, very simple in c++.
is ask for password if it is match is print correct, if no it is print "bad".
i try to find with ida where is the function of what i made.
but i ...
- 59
0
votes
0
answers
202
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 ...
- 629