Add 0 byte in linux elf file

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Description

I have a elf linux file that I need can I lost source code, I can not re create all I only want change a small thing, for that I need add a 0 byte in this file and with this byte I can change using asm to call a hello in screen, later I will change this hello code to other code that are with access for global variables and functions of the file, your job is only print the hello code and detail step by step to technicall speaking what was necessary to allow the elf file show the hello in console mode

I have three different files need to the same for three and documentation step by step too for three

Skills: Assembly, Furniture Assembly, x86/x64 Assembler

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Project ID: #5310882

Awarded to:

kandamunlabs

Hello, is this some kind of "buffer overflow" homework? I have done similar project under Linux here on this site. Can you give me one ELF file to examine it.

$73 USD in 3 days
(9 Reviews)
4.6

5 freelancers are bidding on average $96 for this job

oobretenov

A proposal has not yet been provided

$183 USD in 3 days
(11 Reviews)
3.8
davidgrs

La propuesta todavía no ha sido proveída

$72 USD in 3 days
(0 Reviews)
0.0
ramiropolla

Opa, o que você quer dizer por adicionar um byte 0 no arquivo? Você pode explicar melhor o projeto? - Ramiro

$100 USD in 3 days
(0 Reviews)
0.0
xn2oc

A proposal has not yet been provided

$50 USD in 2 days
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1.6