Questions tagged [exception]
The exception tag has no summary.
37 questions
2
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How to hook RuntimeException to prevent crashes?
I tried to find out how RuntimeException works internally in cs.android.com so I can understand how to prevent crashes but didn't find anything useful and I have no clue how to analyze components-...
- 137
2
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0
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59
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Redirect exception handler?
I'm working on a localization project and have a few trampoline hooks to translate some text in an online game. Periodically throughout gameplay, there are checks that run in the background to ensure ...
2
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0
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88
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Why output is disabled in console when using int3?
I am using NASM(2.15) assembler to generate code. But I am unable to figure out why it does not show output in the console(windows system) when using int3 - software breakpoint, it only shows output ...
- 465
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444
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Strange exception thrown while debugging in Win10, but not Win7
I am disassembling a legacy 32-bit (x86) application using IDA Home (7.6) (for x86 disassembly) in a 64-bit Windows 10 environment running in a virtual machine (VMWare Fusion for Mac). The application ...
- 121
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1k
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IDA PRO Hex-Rays try-catch
I've been working in IDA Pro with a project but there is an issue. Try-Catch statements don't look nice.
I've been searching and it seems like IDA does not support them so I was wondering if there is ...
- 197
2
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1
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254
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How does Borland C++ 5 exception handling work?
So, I'm still working on reverse-engineering an 1996 game. I have cleared a lot of roadblocks, but one thing that continues to annoy me is exception handling and RTTI metadata.
There is a function ...
- 175
3
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1
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211
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Determine if the function has try/catch statement via the static analysis
I need to determine if the function has exception handler via static analysis. Initially I thought that if there's SEH handler prolog in the function, then the function should have try /catch. I.e. I ...
- 1,870
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565
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Mono.Cecil throws SymbolsNotMatchingException, how to find out Method line number?
I tried to use a PDB file to map the Instructions to the Sequencepoints in Mono.Cecil and find out the line number of a method. But none of the answers in any forum seems to work, because no matter ...
1
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1
answer
814
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IDA Unknown Exception Code 6F4
So basically I had set a breakpoint on a WINAPI function call. When I tried to run the program and step over the breakpoint, the program exits with the popup window: unknown exception code 6F4 (exc....
- 11
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2
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483
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How to test and debug x86 Assembly exceptions in NASM?
I have seen all the exception "IDs" in the Intel Manuals, and just came across sandpile's exception guide, which actually shows some hexcodes. For example, "divide by zero error":
...
- 153
2
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1
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308
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I can't set a hardware breakpoint on RIP + N-byte after calling NtContinue()
#include <Windows.h>
int handle_exception (EXCEPTION_POINTERS *exception_pointers) {
exception_pointers->ContextRecord->Rip += 4;
return EXCEPTION_CONTINUE_EXECUTION;
}
int main (...
- 131
2
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1
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Is there a way to show exceptions handlers in Hex-Rays decompiler output?
Is there a way to show these exception handlers in the decompiled code?
I can't tell that a block is in a __try block without looking into the disassembly.
__int64 __fastcall NtDCompositionGetBatchId(...
- 23
1
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1
answer
788
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What is happening with these exceptions in OllyDbg?
I am trying to reverse engineer something which appears to purposely create exceptions as part of its logic. In the image below, there are multiple DIV EAX commands that generate division by 0 ...
- 113
4
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1
answer
541
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GS Cookie and exception handlers
I'm trying to understand how this GS cookie implementation is working. From what I've read on the topic, a cookie is set during the prologue then checked again in the epilogue. Well I can see the ...
- 422
1
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1
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482
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How to debug a crash in wow64.dll in 32bit process
I have a 32bit application and a few wrapper tools that I use one after another to inject code, hook system dll functions (using the patch-first-bytes-of-the-function-with-jump approach). Also I have ...
- 153