All Questions
36 questions
0
votes
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60
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How do I force IDA to reload PE Header and/or segments?
Introduction
I started analyzing an exe, added many comments, structs, byte patches, etc.
After 2 months of working on this file I used CFF Explorer to add a new section at the end of it called "....
- 1
3
votes
2
answers
300
views
Inspect executable binary similarity
I've found a company in China selling a software that is clearly a copy of my own work. For context, this is actually a physical product that comes with a Ubuntu computer and the software pre-...
- 131
0
votes
1
answer
189
views
How to convert variable to struct member in IDA?
I'm working on a windows program which is walking PEB Ldr list. the related types are as follows:
struct LDR_DATA_TABLE_ENTRY {
LIST_ENTRY InLoadOrderLinks; // offset = 0, size = 0x10
...
- 3
2
votes
1
answer
158
views
What are latest research in reverse engineering?
I am searching research papers related to reverse engineering between 2020 and 2022 but did not found good papers with latest research in the direction of reverse engineering.
So, what are the latest ...
1
vote
0
answers
21
views
How to use IDA pro to convert a batch of binary PE files into assembly code? [duplicate]
I have a batch of binary PE files, and I want to convert them into assembly code using IDA pro. Do you know IDA command/plugin to automatically convert all of them?
- 113
1
vote
0
answers
118
views
In IDA is there a way to load the PE headers after the initial loading?
This question is loosely related to this one. So I know of manual loading and how to achieve loading the PE headers using it.
But suppose I have already worked on an IDB for a while and realize that ...
- 10.9k
0
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0
answers
278
views
How can i reconstruct a full PE from a memory injected PE that only has IAT + sections content?
I have a injected PE (kernel mode rootkit to be exact) that only has the IAT table, which basically only stores the addresses of some kernel functions in an array which is referenced inside its code, ...
- 518
1
vote
2
answers
478
views
How do I find where in the code a particular Windows Resource is used?
I'm trying to reverse engineer a Windows program. Using PE Editor, I find that the string in question - which I'm interested in - has got id 2820. The string is in this format: "Some text, some ...
- 111
-1
votes
2
answers
1k
views
Parse offset to PE struct
Im trying make my idb beautier. I want to parse the offset to PE structure. Here is some example:
I want to parse (module + 60) to (module_base->e_lfanew) but when i change the type of module_base ...
- 67
0
votes
1
answer
107
views
Expanding .data section at particular area
I have a program which creates a hard-coded number of objects. I patched the binary so that now it can attempt to create more objects than the limit allows, however when it does it allocates them to ...
- 61
0
votes
1
answer
2k
views
idb file and IDA
I've just received from a friend a *.idb file concerning the pe file i'd like to disassemble in IDA. What the file is and how can i load/use it with the exe linked with it in IDA?
- 115
0
votes
2
answers
724
views
Pe file code starting address
When i load an exe in the IDA the assembled code always starts at 00401000 address. Does it mean that in pe files the code always starts at that specific address?
- 115
2
votes
2
answers
3k
views
Hex-Rays not properly showing strings
Here's the difference between Hex_Rays and the debugger:
Note that I've synchronized the views, so they are showing the same operations in both the debugger and the decompiler. I've tried Edit -> ...
- 99
4
votes
3
answers
2k
views
How can I get xrefs to class member variables in IDA?
I'm working on a decompilation of a windows PE (with its full debug symbols in a PDB) and I'm using IDA to help with it.
I want to know how I can get a list of all references to a given class member ...
- 315
2
votes
0
answers
273
views
What is the meaning of call ds:ApiName[registry*constant] in IDA .asm files?
I have a dataset of .ASM files generated by IDA (dont have the corresponding file)
And there are a lot of calls like this :
.text:00637114 5F pop edi
.text:...
- 518
1
vote
0
answers
78
views
Possible to inject a new menu into a program's menu bar?
Is it be possible to inject a new menu/menu item into a program's menu bar?
As an example, in Notepad's (Windows) "Help" menu, would it be possible to add a new entry to that menu like "Open ...
- 169
2
votes
3
answers
3k
views
In IDA, why are the addresses of instructions different from the corresponding locations in the original file? How do I find the file locations?
I noticed that if I found an instruction in IDA, the address shown to its left would be wildly different from where it appears in the actual file. I wanted to know why this was the case and how I can ...
-1
votes
2
answers
452
views
How to add a message box to a PE [closed]
So, I have a "simple" question. I have this PE that I want to show a message box when the file is launched. How can I patch the file and make the window? Thanks!
2
votes
1
answer
620
views
How to restore IAT?
I have the start address and the end address of the IAT
now im trying to restore the table/folder of it.
the start address is: E7C000
thx for helping
- 21
1
vote
0
answers
339
views
Is there a way to generate a PE from a web assembly module?
I am in the process of analysing a large web assembly. I have the compiled .wasm file and using the tools available I can convert this to a .wat text representation. Currently, I am doing the ...
- 11
1
vote
0
answers
103
views
Set Breakpoint on ActiveX Property Being Set (No Symbols)
A program is loading an VB6 based ActiveX control that has several property, for example ConnectionString.
The application is dynamically generating the values it provides at runtime, so it is not ...
- 1,267
1
vote
1
answer
4k
views
How to convert Unexplored data in IDA Pro to code？
I am analyzing a malware, it has a lot of confusing methods, I wrote an idc script to remove confusion, use the MakeCode() function to convert some Unexplored data into code, but there are still some ...
- 11
2
votes
1
answer
1k
views
What's the easiest way to remove an import from the import table?
I am trying to get a DLL from an older version of Windows work on a newer version. I already patched the code to skip over the call to the missing import, but I now want to remove that ordinal import ...
- 21
0
votes
1
answer
895
views
IDA Pro 64bit offset and opcode issue
I'm looking at a 64bit PE file in IDA. The instructions below access unknown data at offset 20030. Usually when I look at 32bit PE files, the offset is also listed next to the opcodes on the left. So ...
- 21
-1
votes
1
answer
315
views
where the variable and it's size are stored inside windows executabe file?
i am beginner in reverse engineering. i want to understand where the variables and it's size are stored inside an windows executable file.
somehow i can able to find the values of variables i ...
4
votes
2
answers
4k
views
IDA Strange exception before code is executed
I am trying to reverse a PE executable (challenge tutorial). I am putting a breakpoint on the first instruction of the program, at the entry point. There is nothing executed before.
I get a software ...
- 787
1
vote
1
answer
884
views
Suppress IDA welcome dialog in batch mode
I try to disassemble a bunch of PE files with the free version of IDA.
However, I can't figure out how to suppress the beginning welcome message:
My batch command looks like this:
"C:\Program Files (...
- 1,257
1
vote
1
answer
5k
views
How to find all functions in DLL
I'm looking for a way to get the addresses of all the functions in a DLL in the .text section. Is there a way to do it without using a disassembler and moving through the commands? How does IDA know ...
- 133
0
votes
1
answer
445
views
Create unprotected executable for program that decrypts itself at run-time dynamically? [closed]
Say i have Windows executable that looks like normal one, but actually has encrypted segments or blocks of code, and the way it calculates key to decrypt itself at run-time way hard for me.
I'd like ...
- 163
2
votes
2
answers
3k
views
Statically detect destroyed Import Segment (IAT)
I'm writing a tool, which analyses PE-Malformations and I'would like to build a function to detect a destroyed import section in a PE-File. It would be great if it would be possible to somehow figure ...
- 426
7
votes
2
answers
5k
views
How to Fix a memory dump of a dll - so i dynamically reverse it using olly \ ida
I need to analyze a memory dump of a malware module, unfortunately the sample is not the original dll, but the dump of the dll from the memory.
Now fixing the sections headers is fairly easy - i just ...
- 668
3
votes
1
answer
262
views
How to update the injected calls' address after patching binary?
After using IDA analysing a dll file, I replaced a call with another one. That is, replacing CALL xxxx with CALL ds:yyyy. (ds:yyyy has been referenced by other locations already). And I used IDA to ...
- 141
2
votes
2
answers
11k
views
Packed PE-file, where to start?
I'm new to reverse engineering, so maybe it's an easy question but not for me).
I've got .exe file which is somehow packed.
When I open it with IDA, I got warning that file was packed or modified, and ...
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3
votes
0
answers
304
views
IDA: How to automatically resolve references to Imports in modules loaded manually?
every time a program is loaded manually (allocating memory for the PE image, copying sections, resolving imports, relocations, etc ) I need to use C ( define code ) and P (create procedure/function) ...
- 31
1
vote
2
answers
3k
views
debug a .dll compressed with pe compact
I am trying to load a DLL in IDA and OllyDbg, but it says the file is compressed. I checked with a couple of tools and came to know that the file is compressed with PECompact. I think it also has ...
- 203
1
vote
1
answer
1k
views
IDA Pro only shows dos stub of windows executables/libraries
When I load most windows NE/PE executables, IDA first warns me about the file being possibly packed, then it warns me with this dialog: "The input file has extra information at the end (tail < hex >...
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