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Questions tagged [python]

General-purpose and high-level programming language. Python supports multiple programming paradigms, including object-oriented, imperative and functional programming styles.

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10 votes
1 answer

Extracting arguments from IDA

Let's say I have the following function in IDA: int __usercall function<eax>(char* message<ebp>, unsigned int count<edi>) What's the fastest way to extract the argument information ...
Zach Riggle's user avatar
  • 2,357
27 votes
7 answers

Decompiling .pyc files

Does anybody have a suggestion for (non commercial) software to decompile "byte-code" Python (.pyc) files? Everything I've found seems to break...
Carlos Garcia's user avatar
10 votes
1 answer

Reverse Engineering program written in Python, compiled with "freeze"

I am attempting to reverse engineer an EXE compiled using the utility "Freeze" or "pfreeze" that ships with Python (not to get confused with "cx_freeze"). Inside the EXE there is an array of memory ...
ThatOneGuy's user avatar
40 votes
5 answers

How do you reverse engineer an EXE "compiled" with PyInstaller

Having recently watched/read a presentation given by Dave Kennedy at DEF CON 20 [PDF], I'd like to know how to decompile a Python script compiled with PyInstaller. In his presentation, he is creating ...
Mick's user avatar
  • 7,572
24 votes
5 answers

What are the tools to analyze Python (obfuscated) bytecode?

Recently on Reddit ReverseEngineering I stumbled on a self-modifying code in Python. Looking at the Github repository was quite instructive and I found picture of the Python bytecode program exposed ...
perror's user avatar
  • 19.1k
18 votes
2 answers

Is it possible to get python bytecode without using co_code?

I posted this a while back on stackoverflow (too old to migrate though). Say I am in the python interpreter and define a function as follows: def h(a): return a If I want to look at the bytecode (...
mikeazo's user avatar
  • 1,072
9 votes
2 answers

Good training for IDAPython [closed]

I'm familiar with python and IDA in general. I found a few very basic tutorials but nothing that goes through an explanation of the classes used and the full capability set. Near as I can tell the ...
bravosierra99's user avatar
9 votes
5 answers

What are the techniques and tools to obfuscate Python programs?

This question is related to this other one. I just wonder what are the techniques applicable and which can be found in the real world to obfuscate Python program (similar questions can be found on ...
perror's user avatar
  • 19.1k
7 votes
1 answer

Adding a toolbar to IDA using PySide

So i'm trying to add a custom toolbar to IDA 6.4 using their PySide download and the IDAAPI. I've tried adding a toolbar by just creating one but since it doesn't have an exec_() method I can't get ...
James's user avatar
  • 193
7 votes
3 answers

Paste hex bytes into IDA Pro Hex View

Is it possible to paste a series of bytes into hex view of IDA? Say I have a large buffer I need to fill with a specific value, and I have it in the form most hex editors output... 0A AB EF FF 00 01......
Ditmar Wendt's user avatar
4 votes
1 answer

Best way to protect source code of .exe program running on Python?

I am developing proprietary software that would be distributed in a form of .exe file. In order to use it, users will have to authenticate with their whitelist credentials (username + password). The ...
TimesAndPlaces's user avatar
1 vote
1 answer

What is the right way to pack a payload with Python3's pwntools

On the tutorial by Megabeets, "A journey into Radare 2 – Part 2: Exploitation", he shows an example of how to create a payload with Python2 # Initial payload payload = "A"*140 # padding ropchain = ...
Evan Carroll's user avatar
  • 1,789