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.
351 questions
1
vote
0
answers
39
views
I can't access the admin page in my router, is there a way to install a new firmware? router model : ZTE ZXHM F6600P
I wanted to turn my router into an AP, but apparently the option to activate it has been locked by my ISP, since I can't access the 192.168.0.1 page, I can only log in 192.168.11.1 as a user. After I ...
- 11
0
votes
1
answer
57
views
New processor not showing up in Ghidra on macOS
I added a new processor to Ghidra and it's showing up on Linux but not on macOS.
Any suggestions?
I filed this issue just in case.
- 121
0
votes
1
answer
82
views
Ghidra user scripts location
Ghidra: what is default location (path) for custom scripts? Same question for custom .fidb files.
- 235
0
votes
0
answers
34
views
Changing running kernel thread code from another LKM (ARM linux 4.19.130)
I am security testing an embedded ARM linux 4.19.130 IoT device - without kernel source code or ability to change the kernel due to signing.
I have managed to get a root shell.
However, by the time ...
1
vote
1
answer
90
views
How to extract 7z archive with LZMA compression
I have firmware file, which contains a raw MIPS32 binary code.
I used binwalk to scan for signatures binwalk -B -t image.out and for executable opcodes binwalk -A -t image.out
Top part of the output:
...
- 235
2
votes
1
answer
48
views
IDA Remote Debugging and automatically interaction with the process
I am learning IDA and currently working with the debugger. In particular, I want to automate the interaction with my remote binary (from Windows Subsystem Linux - Ubuntu 22.04 instance), like what I ...
3
votes
0
answers
97
views
gain root access to my camera monitor
Edit: I managed to dump the firmware and obtained the root password hash, but there are two hashes. I successfully cracked one, resulting in helpme, but the other one might take a while. However, user:...
- 31
0
votes
0
answers
42
views
NxP3143 Uboot encrypted image and roots help
I have an encrypted firmware based on 2 files uImage (kernel) and rootfs (filesystem) and I have got the encryption keys from someone who cracked it. However I don’t know where to start so I can mount ...
- 51
0
votes
1
answer
220
views
S30+ Game Development
How can I get started developing games for the S30+ operating system on Windows or Linux?
I have a new nokia 150, which seems to run the correct operating system, although I'm not sure if this phone ...
- 1
0
votes
1
answer
64
views
how to print non printable address using python
i have been doin ctf challenge and came across a problem when i have to push the address of a function into eip{instruction pointer} by overflowing the buffer but the main problem here is that the ...
1
vote
0
answers
143
views
Help Extracting a CramFS filesystem from .img binary
I'm trying to extract a CramFS filesystem from a firmware binary for the FVS318Gv2. It downloads as a .zip file that can be decompressed to reveal a firmware .img file and a readme.htm. Running ...
- 11
0
votes
0
answers
69
views
Decompile or analyse injected /usr/bin/cat
I'm trying to decompile or analyse an injected Linux executable binary file /usr/bin/cat ,and find the injected code as a readable.
Need some tips as a beginner how to find the injection method if it'...
0
votes
1
answer
162
views
Router shadow password generation
I'm reverse engineering a router, I'm fairly new to embedded devices and how Linux boots up, but I have a root UART shell, there's already a password hash in the /etc/shadow file, these passwords/...
- 1
1
vote
1
answer
99
views
What to do when the .img is corrupted?
After getting rejected from a promising interview process with Company A, the interviewer reached out to me and provided me with Reverse Engineering challenges Company A provides publicly to work on.
...
- 11
2
votes
1
answer
106
views
Unix system with windows-style registry
When trying to determine the filesystem of a firmware image using binwalk, I encountered a strange combination.
The binwalk is returning a lot of Unix paths, but some of them contain a typical windows-...
- 33