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.

Filter by
Sorted by
Tagged with
-2
votes
1answer
86 views

I believe I was hacked over night [closed]

I believe I was hacked last night. I am a little bit new to the Linux world so I don't know if this is normal or not, but there were a lot of random things in my command line history. Here a Google ...
0
votes
0answers
31 views

How to solve getting repeatedly “hacked” on basic 18.04 VPS setup

I have VPS with clean installation of Ubuntu 18.04 (provided by hosting) to host my private testing website. I set it up (Apache, MySQL...) three times, but I always get shut down by host provider ...
0
votes
0answers
30 views

Possible Spectre V2 on my computer

So when i was fiddeling with my computer i ran the command dmesg | grep Spectre and i get the result [ 0.141500] Spectre V2 : Mitigation: Full generic retpoline [ 0.141501] Spectre V2 : Spectre ...
0
votes
1answer
204 views

Somebody trying to access my index.php file on ubuntu apache2 server (Laravel)

One of my project someone trying to access my index.php file in laravel. Logs:- { "ip":"45.155.205.108","url":"/index.php?s=/Index/\\think\\app/invokefunction&...
0
votes
0answers
18 views

Terminal is unable to find websploit while I have installed it

I have installed websploit on Ubuntu, but found a failed message in the installation acknowledgement. Welcome To Websploit Framework Install Script Installing ... **ln: failed to create symbolic link '...
0
votes
2answers
64 views

What steps should I take to prevent these apparent hacking attempts? [duplicate]

I'm running an Ubuntu 20.04 server, and when I look at the logs, I constantly see strings of entries like this: Jan 14 23:04:51 dell-server sshd[578861]: Invalid user carlos from 14.232.160.213 port ...
0
votes
0answers
29 views

Suspicious activity on a torrent site - no surprises here, but

I 've just noticed lots and lots of lines in /var/log/syslog on my Ubuntu 20.04 laptop: Nov 16 23:12:28 localhost gnome-shell[220008]: [220000:295941:1116/231228.424501:ERROR:socket_posix.cc(94)] ...
0
votes
0answers
1k views

bash: cannot set terminal process group (-1): Inappropriate ioctl for device

Just received this error >> bash: cannot set terminal process group (-1): Inappropriate ioctl for device then the disk partition went into READ-Only mode ; also noticed gnome-software was ...
0
votes
0answers
19 views

Unkown networks appear in my ubuntu 20.04

I do not recognize those network showed below: Someday they just appear, and hope to go away in a time, but this had not happened. I have windows 10 in the same computer (dual boot) and there they do ...
0
votes
1answer
206 views

Ubuntu OS on Laptop has been hacked & remotely monitored

I'm using Ubuntu 18.04 LTS, accidentally discovered some screenshots that I didn't take in "Pictures" folder. The screenshots are taken within a limited time period of 1 minute. I'm ...
0
votes
1answer
83 views

Is this a sign I got hacked?

I was doing some important stuff on VirtualBox. I reinstalled my Mac brand new, installed VirtualBox from VirtualBox.org, and installed Ubuntu Server 20.04. After finishing my work I typed poweroff (I ...
0
votes
0answers
42 views

Strange iptables rules redirecting traffic to host I don't recognize

I never really managed my iptables config and went with the defaults. Today I had internet connection errors and in my attempts to fix this issue I checked my ipconfigs table. I found these strange ...
0
votes
0answers
50 views

Found a folder named '~' in my home dir. Should I be worried?

I just found a folder named: ~ in my home directory. It had a little red cross on its bottom right corner,like root folder have. It was empty. When I deleted it, I was prompted to enter my login ...
0
votes
1answer
496 views

Ubuntu 20.04 being hacked

please give me some advice on how to handle the illegal invasion into my pc (UBuntu20.04) ? I went back home and saw someone remotely accessing my pc browsing my documents, closing my browsers and ...
2
votes
1answer
73 views

Strange path or folder on hacked vps

My vps was confirmed hacked, Ubuntu 16.04 LTS (Thanks for answering in my post My previous post). Now I have created new vps and move my site to new VPS. But I don't delete my hacked vps, i preserve ...
0
votes
1answer
83 views

How to check who opened files on UBUNTU 18.4

I use Ubuntu 18.04 Today, I left the computer on and no one used it. And when I came back home, I saw a lot of directories, files, and images opened. I wonder if anyone hacked into my computer?
1
vote
2answers
87 views

My username, password and i.p. were public. Was I hacked?

Through a series of poor choices, the username, root password, and i.p. address to my Ubuntu machine were pushed to a public repository. Now, I've changed my password and purged the repo of the ...
1
vote
0answers
216 views

Fluxion doesn't start capitive portal in Ubuntu 19.10 VM

I have installed Ubuntu 19.10 in VirtualBox with host Windows 7. I tried to hack my Wi-Fi with Fluxion tool. Everything worked till I tried to open capitive portal. First I didn't get any errors, it ...
1
vote
2answers
227 views

Do I need Bios update for remote access on my HP EliteBook laptop, or should I remove it if I'm worried about being hacked?

I bought a used laptop that runs bios update for remote access on every restart. Could the person I bought it from have installed that to hack me? Do I need it? Should I remove it? I have no interest ...
1
vote
2answers
270 views

Netwox tool#78: Error 4081

I am trying to run Netwox tool 78 on Ubuntu 18.04 and also tried on Ubuntu Osboxes image; but, I am getting following errors: $ sudo netwox 78 --filter 10.161.25.252 Error 4081 : error in ...
2
votes
1answer
300 views

Will installing wine will allow the hackers to hack into my Ubuntu computer just like what happens in Windows? [duplicate]

What if I installed an .exe game with a trojan using wine on my Ubuntu? Would this allow the hackers to hack into my device just like what happens usually on Windows? What about the viruses that work ...
2
votes
1answer
119 views

VLC Security Flaw with Potential for RCE! Should Ubuntu Users Worry?

A security flaw, potentially serious has been found in VLC: The vulnerability allows for RCE (remote code execution) which potentially allows bad actors attackers to install, modify, or run ...
0
votes
1answer
105 views

2 suspicious «non existent» tasks named 0000:06:00.0_di and 0000:06:00.0_ev. What are they?

In an UBUNTU 18.04 installation here are two suspicious «non existent» tasks named 0000:06:00.0_di and 0000:06:00.0_ev. Log indicates that a problematic pci 0000:06:00.0 exists, but still there is no ...
0
votes
0answers
241 views

I was hacked? (am I a slave?)

I'm a newbie to Ubuntu Few days back, I noticed a text file named pwn3d.txt on my home folder. The following text was in it: You are (fully) pwn3d due to a homobraphic error on your software ...
-1
votes
1answer
1k views

Has my laptop running Ubuntu 18.04 been Hacked? [closed]

I live with someone whom I don't trust. So today I was browsing Youtube as usual, then suddenly VLC did open randomly! I convinced my self that it was just a bug and that I'm safe using Ubuntu. Fast ...
1
vote
0answers
282 views

Tp-link tl-wn722n v3 modo monitor

estuve mirando en Youtube tutoriales, entré a muchos lugares que no supieron resolver mí problema, es más, instalando un drivers que vi en Youtube hizo que mí Ubuntu se cuelgue cada vez que conectaba ...
1
vote
1answer
2k views

Is someone trying to hack my server?

So I typed journalctl after ssh(ing) into the server and got the following output: (so is someone trying to hack system or is it from my side?) (Also note the timing says 5am? but most likely none of ...
0
votes
1answer
156 views

How to make .htaccess to unhide the directory [closed]

I'm creating a VM for my students to hack into, however the directory containing .htaccess is hiding the directory they need to access to CTF. The only way you can find this directory is if you ...
12
votes
3answers
3k views

Is it dangerous to install hacking tools on my private linux machine?

I use my Ubuntu for private and business purposes. Can I also install tools on my computer that are actually there to perform penetration tests? Or is it harmless?
0
votes
0answers
178 views

Is Kubenetes related software automatically installed on Ubuntu?

I have since yesterday noticed that the top command has been showing kubelet, kube-apiserver, kube-controller and other Kubernetes related processes running on my computer. This is alarming me and ...
0
votes
0answers
84 views

Ssh login success but it is not me

I receive ssh login alert from two different ip on my server Time: Fri Mar 22 05:50:37 2019 +0300 IP: 92.184.99.172 (FR/France/-) Account: root Method: password authentication second ip: ...
1
vote
2answers
259 views

Can an ISO and live-usb be infected or compromised? [duplicate]

If yes, how and what are the signs? What should one do? Will the OS be compromised as well?
0
votes
0answers
85 views

How to tell if the ISO used to install Ubuntu is compromised?

I just want to know if there's any way to know if the ISO I installed was compromised. Is there any way I could tell by looking for it in Ubuntu right now? If so, how and what should I do? Also, may ...
0
votes
0answers
54 views

Is there any way I can tell if my Ubuntu has a key logger/screen logger installed? [duplicate]

How can I tell if my Ubuntu is hacked or been compromised? I'm starting to think it is because I keep overhearing my neighbors talked about something I just posted on a site. They've said many details ...
3
votes
1answer
662 views

Ubuntu server hacked. Recovering

I was cyber-attacked by someone from China and they managed to install Yam (crypto mining) on my Ubuntu 14.04 server. I managed to close their ssh access through the public IP. and I have remedied ...
3
votes
2answers
1k views

Strange new rules added to my iptables config… Was my server hacked?

Today, I listed my iptables for a routine check -- and discovered two strange UFW rules that I don't remember setting up myself, referring to two specific IP addresses that I can't identify: -A ufw-...
2
votes
1answer
738 views

Can hackers inject anything to the server outside /var/www/html

We got hack because of a bad security on our server. The hacker got access of the database probably from a php file holding database credentials in the html folder. The /var/www/html folder had root ...
1
vote
0answers
974 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
2k 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
193 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 ...
3
votes
1answer
686 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
4k 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
2k 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 ...
0
votes
1answer
225 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 ...
4
votes
4answers
19k 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
80 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
692 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
1k 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
1k 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? .
2
votes
0answers
62 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 ...