Questions tagged [binary-code]

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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 ...
2
votes
0answers
88 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 ...
2
votes
0answers
45 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 ...
1
vote
0answers
57 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 ...
1
vote
0answers
197 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 ...
0
votes
0answers
34 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....
0
votes
0answers
30 views

Fixing Corrupted ELF Section Size

I dropped an ELF to IDA, which IDA give me an error that the "Binary data is incorrect". I research a bit and found out that some of the ELF sections dont have a valid section size and their section ...
0
votes
0answers
59 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 ...