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Questions tagged [binary-code]

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9 votes
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How could I block or at least detect the use of ultrasonic side channels or Google Nearby Messages API on my smartphone?

My question is about the use of ultrasonic messages that are part of the modern advertising ecosystem and are also used by the Google Nearby Messages API. When it comes to advertising, the type of ...
user100487's user avatar
2 votes
0 answers
161 views

Can binary firmware packages be executed on the system?

Kernels like linux-libre (standard in Debian and other free Linux distributions) ship no binary firmware packages by default. From my limited understanding of their functionality, a binary firmware ...
Prototype700's user avatar
2 votes
0 answers
443 views

Binary exploitation

I am trying to upsolve a challenge from a CTF I played but I just can't get it right. I think you have to somehow manage to use buffer overflow, but I can't see what I'm doing wrong since this works ...
C. Cristi's user avatar
  • 121
2 votes
0 answers
150 views

How to see the filesystem of a camera firmware?

I watched https://www.youtube.com/watch?v=B8DjTcANBx0 and in this video he downloads several camera firmwares and analyzes their files. As far as I know, the firmwares are binary files that you can ...
Guerlando OCs's user avatar
1 vote
0 answers
153 views

How to verify a binary correctly even if my github account is hacked by someone

I have a binary file and saved it on github release page. https://github.com/zono/bolt8/releases To allow users to verify it, I saved sha256sum and signature(.asc). However I have a concern that if ...
zono's user avatar
  • 185
1 vote
0 answers
292 views

Buffer overflow Rooting vs SU via recovery?

After researching on rooting processes low level details and techniques i found that it happens mostly through Buffer overflow to gain root access via running payload ( binaries ) at return call ...
Nayyar's user avatar
  • 11
0 votes
0 answers
409 views

Is there any good way to avoid bypass .so file?

I have a C code project, I want to use .so lib to verify certificate for valid. I know there is a way to crack .so file by using below tools: 1.IDA_Pro_v6.8_and_Hex-Rays_Decompiler_ 2.WinHex 3....
244boy's user avatar
  • 925
0 votes
0 answers
225 views

Different gdb results

I'm trying to use overthewire narnia problems as a way to learn about binary exploitation and I'm getting different results than any of the walkthroughs I was looking at https://tuonilabs.wordpress....
CWright's user avatar
  • 123
0 votes
0 answers
310 views

Does `npm install` retrieve binaries or sources?

I am starting to use npm install a lot for development, but I fear about its security consequences. Does npm install retrieve binaries or sources? If it's binaries, it's already a deal breaker for ...
knocte's user avatar
  • 161
-1 votes
1 answer
151 views

Confused about memory examination using gdb

I started reading "Hacking, The Art of Exploitation" and I am confused about some things regarding memory examination. When I disassemble main, I get an output of all memories where the ...
jprossv's user avatar