Top new questions this week:
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I've been trying to debug a piece of simple shellcode with Windbg. To go over the steps I took, I allocated a buffer for the shellcode with .foreach /pS 5 ( register { .dvalloc 400 } ) { r @$t0 = ...
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I have an app (and I don't know the source code), that freeze and crash everytime it loses focus (but the music continue). I've tried to debug it using windbg but it doesn't change anything, and I don'...
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Im new to reverse engineering, and ive trying Ghidra, IDA (Freeware) and Radare2 with a simple CrackMe, the problem is, both Ghidra and IDA couldnt detect a string while Radare2 (Using Cutter GUI) ...
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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 -> ...
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I'm currently analyzing a piece of software inside a Windows 10 QEMU virtual machine which is connected to a remote GDB debugger. I have set breakpoints to audit what the application is doing.
I have ...
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I have the following codes from a rolling code RF garage fob I want to duplicate.
There is a duplicator remote that able to get one code and learn the sequrence from it:
https://www.ebay.com/itm/V2-...
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I have assembly code like this:
142cccc0c c7 43 18 MOV dword ptr [RBX + 0x18],0x4000
00 40 00 00
142cccc13 e8 a8 79 CALL FUN_141a845c0 ...
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Greatest hits from previous weeks:
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The purpose of this question is to gain an understanding of the concepts behind reverse engineering and to understand what approaches may be taken to extract useful information from a binary file.
I'...
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Are there any tools available to take an already compiled .dll or .exe file that you know was compiled from C# or Visual Basic and obtain the original source code from it?
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as i'm new about cross-debugging and cross-compilation i need some help because i feel so confused. I have a MIPS elf file, [myelf][1] .You can see bellow the output of file myelf:
myelf: ELF 32-bit ...
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In this question on DLL injection multiple answers mention that DLL injection can be used to modify games, perhaps for the purposes of writing a bot. It seems desirable to be able to detect DLL ...
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When examining bin firmware files Binwalk is an extremely helpful tool. There are times though that Binwalk comes up empty and a lot more digging is required to make sense of the data.
Are there any ...
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I know how to reverse engineer normal android APKs using tools like APK-tool anddex2jar but i don't know how to work with obfuscation. Can anyone help or atleast provide some pointers? I know this ...
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I just found a strange instruction by assembling (with gas) and disassembling (with objdump) on a amd64 architecture.
The original amd64 assembly code is:
mov 0x89abcdef, %al
And, after gas ...
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Can you answer these questions?
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I have some data from a NAND chip, dumped using the built in nanddump utility on the embedded device.
This is the device information: https://openwrt.org/toh/bt/homehub_v5a The NAND chip is 128MiB ...
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I am looking for an ARM disassembler that runs on Linux that has a graphic "pixel" or "bitmap" view like the one shown in the pictures below:
I am reverse engineering some old ...
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