Reverse Engineering Stack Exchange
Reverse Engineering Stack Exchange

Questions tagged [linux]

A free and open source POSIX compatible operating system with a monolithic kernel and a kernel module system. Originally created by Linus Torvalds.

Linux or GNU/Linux is a free and open source operating system. The operating system comprises of the Linux kernel, created and first released by Linus Torvalds, and a set of applications from the GNU project, hence the name GNU/Linux.

This tag should be used when the problem involves Linux kernel specific attributes. If the problem is a general problem and happens to be environment (kernel) agnostic, then this tag should not be used.

346 questions
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RE Compressed backup file,router linux based so is it compresed with zlib?

so I have backup from my router its zte zxv10h201l and its linux based but I can not identify type of compression of this file. Here is couple of first "lines" of it 00000000 99 99 99 99 44 44 44 44 55 55 55 55 aa aa aa aa …
Vido
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Capturing OS/hardware communication / reverse engineering drivers

My main question is how the open source community reverse engineers windows drivers (for say, video cards) to re-write them under linux. Links to resources are fine, I don't expect a tutorial on driver development in an answer. But at least I need…
Fakhri Zulkifli
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Linux persistance between runs of program but not between reboots

I am working on reverse-engineering a linux program with a function that reads in configuration information from a file, and then passes this information to the program. However, after I fully exit the program, patch out this function and replace…
Enzo Damato
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Steghide Linux Steganography how to get "Passphrase"

I am currently on Parrot Linux and have an image has a hidden steganographic inside. I know I need to decode it with Steghide in the Parrot Terminal. I also know that I will find out what the hidden steganographic data (that with be extracted to a…
DrJacoby
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Create Fake Entry in sysfs

I'm targeting a program that tries to open a file in /sys that doesn't exist. Is there a way to create that file so the program continues? (Normally you can't create flies in sysfs.)
SArcher
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How do I install fail2ban to Zyxel nas326

So I just got Zyxel nas326 and I looked from internet how to protect nas from bruteforce attack and I found that fail2ban can protect my nas. Then I found that I can't download any programs to nas326. So now I ask how I can Install fail2ban to Zyxel…
UDC
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parallel NAND flash dumped with dd mtd0-12

Hi hope some one can help i have tried dumping nand on a system in u-boot with the dd command so i have mtd0-12 but have now messed up bootloader now i have non booting device/brick. i have tried jtag but was a no go atm. i am new to Linux so is…
Bob smith
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Unable to install ltrace on Kali

I am kind of stuck with the installation of ltrace on my Kali VM. My /etc/apt/sources.list file is updated with following entry: deb http://http.kali.org/kali kali-rolling main non-free contrib I am trying to install ltrace via apt-get install…
Jiger Jain
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Freebøx Internet box, how to access HDD , root?

This is a question rather for french stack users. I wonder how I can read my Freebox server HDD (actually it i flash memory), as root ? Or, at least, how I could see Terminal of the box ? (It is Ubuntu based, at least Debian)
Strukt
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What is causing \r\n in libnotify?

I am trying to look under the hood of libnotify, and ran strace notify-send 'hello' and one of the system calls is: sendto(5, "AUTH\r\n", 6, MSG_NOSIGNAL, NULL, 0) = 6 Surrounded by a: sendmsg(5, {msg_name=NULL, msg_namelen=0,…
Meowxiik
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Significance of link address 2000 8000 7C00;

Can you explain to me the significance of link address 2000 8000 7C00? It's in a MACRO from the GRUB configure script, which checks whether OBJCOPY works for absolute addresses. Here's the snippet of the…
supmethods
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How is linux loaded into a closed platform that has been hacked?

Today I have a question which may be a little uncertain. How would you "port" the Linux OS to a new platform? For example; The nintendo 3ds or the PS4, are consoles which have been recently "hacked", this means you can run your own unsigned code.…
78dtat78da
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