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Questions tagged [hacking]

Questions about defence or recovery from malicious hacking. We do not support hacking, so questions about performing such hacks are not allowed here.

-2
votes
0answers
64 views

Unable to reinstall Ubuntu after a successful hack attack [closed]

I believe my Ubuntu 18.04 LTS was hacked. There were about 1000 unsuccessful log-in attempts to my mailbox shown in my email security settings over about 4 weeks. I then found 2 consecutive msgs in ...
0
votes
0answers
34 views

while decompiling i got an issue of “ failed to locate smali file to hook” how to solve it?

[*] Running backdoor-apk.sh v0.2.4a on Sun Dec 23 01:00:00 IST 2018 [+] Android payload options: 1) meterpreter/reverse_http 4) shell/reverse_http 2) meterpreter/reverse_https 5) shell/...
1
vote
0answers
36 views

what does this logged text means, some ip tried hack my server

I'm using Ubuntu 16.04 and running a small server on it. When I checked log files with grep -r 'ip-address' /var/log/ command, it returned this log /var/log/auth.log:Dec 19 00:26:00 ip-10-xx-xx-xx ...
6
votes
1answer
1k views

Ubuntu encrypted hard drive - possible to crack? [closed]

I'm using Ubuntu 18.04 on my laptop. If someone would steal my laptop, would it be possible for them to access my data stored on the laptop? Could any of them access my data, not just random people ...
0
votes
2answers
55 views

I am trying to find out if someone is running a server on my Ubuntu without my knowledge

I know this sounds a bit odd. But I have been having hacking done on my computer and I am locked out of my "su" user now for some reason. My computer cpu is running abnormally high and I think there ...
2
votes
1answer
51 views

How can I find the origin of a process and stop it permanently?

I have an Ubuntu system running an apache server. I have found a process cache.sh which I think might be a crypto-mining process and which is running all the time on my server consuming up to 98% CPU. ...
0
votes
1answer
370 views

(Got no data packets from target network!) error in aircrack-ng ubuntu

I try to hack WPA2 wifi so this is what i do: airmon-ng start wlan0 airodump-ng wlan0mon airodump-ng --bssid (bssid) -c (channel) --write wpa2 wlan0mon aireplay-ng --deauth 100 -a (bssid) wlan0mon ...
0
votes
0answers
40 views

Whenever I Start Wifi-Pumpkin it shows up a blank screen and I have almost tried every suggested solution but none seems to work

Loading GUI... WiFi-Pumpkin Running! X Error: BadAccess (attempt to access private resource denied) 10 Extension: 130 (MIT-SHM) Minor opcode: 1 (X_ShmAttach) Resource id: 0x138 X Error: BadShmSeg (...
0
votes
0answers
396 views

TypeError: coercing to Unicode: need string or buffer, NoneType found (PyPhisher)

I'm running Ubuntu 18.04. I cloned PyPhisher from GitHub - git clone https://github.com/sneakerhax/PyPhisher then I ran PyPhisher.py file by executing - python PyPhisher.py So I got this output ...
-1
votes
1answer
158 views

Did someone try to access my email because of Ubuntu 18.04? [closed]

When I started Ubuntu 18.04 yesterday, it didn't automatically remember my username and then ask for my password. It asked for my username first and then my password and then didn't work twice. I ...
0
votes
1answer
170 views

server compromised - ./sysd -c apache.cf -t 1 eating all memmory

My server was most certainly compromised. Now I want to find where hackers enter the server. Before attack I can see in syslog: May 13 01:28:23 eee crontab[10680]: (www-data) DELETE (www-data) May ...
2
votes
2answers
636 views

How can I reverse my wifi from monitor mode to normal mode?

In a course named ethical Hacking for beginners , I learned that wifi has some modes in which we can switch between but I don't know that what was the normal mode and how to switch on it I used ...
1
vote
0answers
67 views

Have I opened myself to a hack from posting terminal output here?

So, yesterday I posed a question where I supplied two dmesg | tail outputs, plus uname -a and ls -a /boot. It disclosed my system time and my username, (plus my VPN provider and other software). I ...
1
vote
1answer
132 views

My server potentially hacked . How to clean a server from rogue processes [duplicate]

I am a newbie and my first server seems to have been hacked. I am not sure how to clean it. There are processes hogging the CPU that am not the owner of. All the 12 CPUs are almost all running at 100%....
1
vote
2answers
376 views

/dev/disk-by-uuid/* permissions = lrwxrwxrwx… Is this a security risk?

ls -l /dev/disk/by-uuid Output: lrwxrwxrwx 1 root root 10 sep 15 11:34 49e9738d-627e-... -> ../../sdb5 lrwxrwxrwx 1 root root 10 sep 15 11:34 7ad390da-d1a2-... -> ../../sda6 lrwxrwxrwx 1 root ...
-3
votes
2answers
341 views

How linux is secure when you can easily hack? [duplicate]

Passwords can be easily hacked using this technique: How do I reset a lost administrative password? .
3
votes
0answers
440 views

How do you hide ipv6 address using proxychains with tor?

When using proxychains with tor, I am able to hide my ipv4 address with a random ipv4 address, though when checking my ipv6 address on http://test-ipv6.com/ it still gives me my real ipv6 address. I ...
2
votes
0answers
46 views

Wine: is my system secure to use again?

I installed wine latest version ,on my 16.04 .then I installed an untrusted exe which could have been a virus as it might have caused the registry error on my windows 10 earlier today So I uninstalled ...
1
vote
0answers
99 views

I noticed extra ssh connection to my ubuntu. Was it hacked? [closed]

When I executed netstat | grep ssh | grep ESTABLISHED I noticed extra connection to my ubuntu. It is definitely not my connection. Was my ubuntu hacked? Where to look to verify to check if my ubuntu ...
0
votes
1answer
526 views

AWS ubuntu machine infected with some kind of miner-gate. How do i diagnose it or get rid of it?

I know I can always nuke the instance and start a fresh one. Luckily this is just a test machine. But i'd like to use this opportunity to learn how to diagnose these issues. In case in matters - I ...
0
votes
1answer
904 views

I think I got hacked 16.04 LTS

I'm running ubuntu on my laptop and while i was watching some videos, someone logged into my computer and started using it. I saw the mouse pointer starting to move and they started clicking things. I ...
1
vote
0answers
542 views

Firefox is connecting to sites that I haven't opened

I started playing with Wireshark and I have seen that firefox is connecting to some IPs even when I'm not connected to any site lsof -i -a -p 'firefox_pid' COMMAND PID USER FD TYPE DEVICE ...
0
votes
2answers
296 views

Has my Ubuntu laptop been hacked through Facebook with Firefox?

Since two days everytime I log into facebook with Firefox with my 16.04 Ubuntu laptop I have several adwares webpages (such as macOS, for instance) that adds themselves in new tabs. I didn't thought ...
1
vote
1answer
55 views

How can I find out how my VPS was penetrated? [closed]

I have a VPS, running Ubuntu. Recently I found out that the VPS was hacked and someone put a script on all the websites hosted on the VPS. Sucuri says it is a MW:SPAM:SEO. I cleaned up the VPS, but I ...
1
vote
0answers
353 views

GRUB mk-standalone usage

I've managed to generate some custom version of GRUB using mk-standalone, with different module availability and the final efi files are in fact different in size, but when I check the memdisk content ...
0
votes
0answers
15 views

Empty c drive and have data on other drives. Error of gpt while installing windows 7 [duplicate]

Sir I have deleted windows 8 , while installing windows 7 .now it is showing that you have gpt format windows 7 cannot be installed.now I am frustrated.can I install Linux , which version and how?
8
votes
1answer
925 views

How to check whether someone viewed/copied a video?

Is there any way to check if someone (a hacker who had physical access to my machine) has accessed or copied a file (a video) on my system? I really need to know.
0
votes
1answer
1k views

What does ./-* means and do?

I'm doing a hacking war game called Over The Wire, here it is: http://overthewire.org/wargames/bandit/bandit6.html Now I got stuck, I don't think it's possible to complete that section with only the ...
1
vote
1answer
1k views

strange msdos line in GRUB edit

While editing a GRUB entry, I saw the following code: recordfail load_video gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='hd0,msdos1' if [ x$feature_platform_search_hint ...
0
votes
1answer
126 views

VLC suddenly keeps popping up with JAVA logo and ASCii colour art

I'm using Ubuntu Mate 16.04 LTS. I've installed it just yesterday and updated it immediately. Today I start my system up and VLC keeps popping up out of nowhere. It shows in a small window the JAVA ...
3
votes
0answers
442 views

Is my Ubuntu Desktop under attack?

I am currently facing random freeze of my Ubuntu(16.04) desktop and screen fills up with the garbage pixels. I even cannot start command line using Ctrl-Shift-F1. Every time I have to manually do the ...
0
votes
2answers
160 views

Is there anything that should be done to increase security on a new system? [closed]

Let's assume I just installed Ubuntu on a laptop. This laptop may be used in different networks with different security measurements (at home, university, work place). Is there anything that should ...
0
votes
1answer
2k views

Large number of ssh failures in message log

I just looked at the message log vi var/log/message2 I am getting a huge number of failed ssh attempts from China, e.g. Mar 27 06:30:42 xxx sshd[10628]: PAM 2 more authentication failures; logname=...
0
votes
2answers
5k views

Mounted Android System.img unable to edit

I have mounted an android system image using the command: sudo mount -t ext4 -o loop system.img sys/ When I go into the mount point, all of the files are easy to open. I can go through just about ...
1
vote
0answers
30 views

Is it possible to use the dancing lights trick?

On Windows, you can make a Visual Basic script to make your keyboard lights blink, but is this possible on Ubuntu? Furthermore, would I be able to hack all my hardware?
0
votes
1answer
53 views

Catching intruder

I work in a company where is better to not forget locking your pc before leaving it, because the first person who finds it's unlocked will use all his strength to embarrass me on social networks and ...
2
votes
2answers
685 views

How to send the DHCP server a different hostname?(connecting to wifi with a fake computer name)

I want to connect to a WiFi network without disclosing my original Hostname(Computer Name) to the network. i.e, I want to connect to WiFi networks with a different (fake) Hostname of my choice ...
5
votes
3answers
2k views

Can anyone with physical access to my computer access my files? [closed]

I wonder what will happen if my computer got stolen. Can a hacker gain access to the files on my computer? I have Ubuntu 14.04 and have not installed any security programs - should I do something ...
0
votes
1answer
65 views

Can my local host get attacked if I don't port forward?

Can my local host get attacked if I don't port forward? I'm currently running a server which for a certain app, I'm having problems with passwords and decided that is easier if I leave them default, ...
2
votes
1answer
2k views

What's the best way to avoid getting hacked by anyone, e.g. governments or other criminals? [closed]

I don't know if you've all heard/read about the software from companies such as "hacking team", see e.g. the remote control system: https://wikileaks.org/spyfiles/files/0/31_200810-ISS-PRG-...
1
vote
0answers
188 views

How to install the awus036h wifi adapter on ubuntu 15?

I am running ubuntu on mac (new one). But when I attempt wifi penetrating on the device, it says "wifi penetration does not exist" I guess I need to install a patch file, as it says on the aircrack-ng ...
-13
votes
2answers
209 views

I'm being hacked [closed]

recently I've been called and I was told that I was getting hacked by someone unknown that claimed himself as a 'Microsoft technician' do you know whether you can prevent my computer from hacking?
1
vote
1answer
559 views

files where break-in attempts are logged

Ubuntu Server with Apache, hosting multiple websites and mail-servers. Besides /var/log/auth.log, are there other places where break-in attempts are logged? Context: I used to have a lot of break-in ...
0
votes
2answers
12k views

Can I install pixiewps in Ubuntu?

Can I install pixiewps in Ubuntu? If yes, then can you please guide me through the steps?
0
votes
1answer
63 views

Cannot login to my ubuntu after some unity hacking

I installed unity 7 using bzr lp:unity trunk and I wanted to try a small hack to get started what I did is that I just modified the sentence that appears in the search box when you open the launcher ...
0
votes
1answer
521 views

How to fix the issue with proprietary nvidia driver and plymouth on trusty 14.04?

I have encountered the following problem: The xorg-server seems to be slow and crashing after a while on my nvidia quadro fx 4000. Screen freezes but becomes available again, when i make a screenshot ...
0
votes
1answer
107 views

Completely…I mean COMPLETELY wiping my hardrive

I am new to linux, a total noob to be exact. I am using ubuntu 14.04.2 I am having a problem with people at school who have somehow hacked my computer. I have formatted my hard drive 3 or 4 times ...
3
votes
3answers
2k views

Was my SSH server compromised? If so, how, and what steps should I take?

I recently enabled ssh access to my machine to work on a group project with my classmates. I read the guide for setting up ssh on ubuntu and tried to follow good security practices. I disabled ...
1
vote
1answer
15k views

need to check if my ubuntu 14.10 has been hacked [closed]

I have a Ubuntu 14.10 machine and I would like to check if my security is OK. I doubt that some one accessed my machine from internet and remotely controlled it. so what are the suitable tools I need ...