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Search found 13 results on 1 pages for 'ollydbg'.

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  • How to find a function of application with ollydbg?

    - by user3725506
    Let's say i released the application below. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace WindowsFormsApplication2 { public partial class Form1 : Form {

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  • Explanation of the disassembly of the simplest program (x86)

    - by noname
    The following code int _main() {return 0;} Compiled using the command: gcc -s -nostdlib -nostartfiles 01-simple.c -o01-simple.exe gcc version 4.4.1 (TDM-1 mingw32) OllyDbg produced this output: http://imgur.com/g81vK.png Can you explain what happens here? Analysis so far: // these two seems to be an idiom: PUSH EBP // places EBP

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  • Manually setting breakpoints in WinDBG

    - by chris
    I am trying to examine the assembly for an executable using WinDBG, but I am having a hard time getting to it. I want to set a breakpoint at the first instruction in my program, but when I try to do that manually (using the address of the module), WinDBG tells me that it is "unable to insert breakpoint" at that location due to an "Invalid access

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  • How do you find a functions virtual call address in assembly?

    - by Daniel
    I've googled around but i'm not sure i am asking the right question or not and i couldn't find much regardless, perhaps a link would be helpful. I made a c++ program that shows a message box, then I opened it up with Ollydbg and went to the part where it calls MessageBoxW. The call address of MessageBoxW changes each time i run the app

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  • zip password crack possible?

    - by tm1rbrt
    I have a piece of software i have to install on company laptops. The installer needs a serial to work properly, but i don't have it (my manager isn't here so i cant ask him). The installer tells me to ring a phone number which doesnt appear to be connected anymore. I would download win32dasm and ollydbg and have a go at cracking the

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  • Windows disassembler: looking for a tool...

    - by SigTerm
    Hello. I'm looking for a (preferably free) tool that can produce "proper" disassembly listing from a (non-.NET) windows PE file (*.exe or *.dll). Important requirement: it should be possible to run the listing through a windows assembler (nasm, masm or whatever) and get working exe again (not necessarily identical to original

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  • How to debug a process using Visual Studio?

    - by Ian Boyd
    If an application† crashes: i hit "Debug" and Visual Studio is my currently registered Just-In-Time (JIT) debugger: Visual Studio appears, but there's no way to debug anything: i do not see any disassembly. i do not see any symbols i do not see reconstructed source code from reflection i do not see any registers the

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  • x86 CMP Instruction Difference

    - by Pindatjuh
    Question What is the (non-trivial) difference between the following two x86 instructions? 39 /r CMP r/m32,r32 Compare r32 with r/m32 3B /r CMP r32,r/m32 Compare r/m32 with r32 Background I'm building a Java assembler, which will be used by my compiler's intermediate language to produce Windows-32 executables.

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  • OpenGL Calls Lock/Freeze

    - by Necrolis
    I am using some dell workstations(running WinXP Pro SP 2 & DeepFreeze) for development, but something was recenlty loaded onto these machines that prevents any opengl call(the call locks) from completing(and I know the code works as I have tested it on 'clean' machines, I also tested with simple opengl

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