Questions tagged [binary-code]

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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 ...
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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 ...
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192 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 ...
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55 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 ...
0
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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 ...
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58 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 ...