2020. június 11., csütörtök

Top 5 Most Useful Linux Tools For Programmers

Top 5 most useful linux tools for Programmer

Linux is a free and open-source software operating systems built around the Linux kernel. It typically packaged in a form known as a Linux distribution for both desktop and server use. It is a great development environment for programmers and developers. However, without the development tools, that would be impossible. Fortunately, plenty of Linux tools are available. Here are the top 5 most useful Linux tools for programmers.

Also Read;-  How To Clone One Android To Another

5 Most Useful Linux tools for Programmers

1. VIM

vim editor-compressed
VIM is a free and open source software written by Bram Moolenaar in 1991. It is designed for use both from a command-line interface and as a standalone application in a graphical user interface. It comes standard with almost every Linux distribution and is also known as "the programmer's editor". VIM is great for coding and can also be used for editing things like configuration files and XML documents.
Vim has been developed to be a cross-platform that supports many other platforms. In 2006, it was voted as the most popular editor amongst Linux Journal readers. In 2015, Stack Overflow developer survey found it to be the third most popular text editor while in 2016, the Stack Overflow developer survey found it to be the fourth most popular development environment.
Read more;-  How To Use WhatsApp without Mobile No

2. Zsh

Zsh is written in C and initially released in 1990. It is a Unix shell that can be used as an interactive login shell and as a powerful command interpreter for shell scripting. Zsh is an extended version of Bourne shell (BASH) with a large number of improvements, including some features of Bash, ksh, and tcsh. Zsh gives a user-friendly experience on the command line. It also gives better auto-completion, Vim key bindings, and smart guesses when you write a command wrong.
Its features include (but not limited to):
  • Programmable command-line completion,
  • Sharing of command history among all running shells
  • Extended file globbing
  • Improved variable/array handling
  • Editing of multi-line commands in a single buffer
  • Spelling correction
  • Various compatibility modes,
  • Themeable prompts, and
  • Loadable modules.

3. Byobu

It was initially released in 2009 written in Sh and Python. Byobu can be used to provide on-screen notification or status and tabbed multi-window management. Thus, it is intended to improve terminal sessions when users connect to remote servers with an operating system Linux and Unix-like. It is is an enhancement for the GNU Screen terminal multiplexer or tmux used with the GNU/Linux computer operating system.

4. GIT

git commandsGit was initially released on April 7, 2005. It is a version control system to track changes in computer files and to coordinate work on those files among multiple people. It is primarily used for source code management in software development and can be used to keep track of changes in any set of files available in the English language. It is aimed at speed, data integrity, and support for distributed, non-linear workflows. It is free and open source software distributed under the terms of the GNU General Public License version 2.
Moreover, Linus Torvalds was the creator of GIT for the development of the Linux kernel. On the other hand, its current maintainer since then is Junio Hamano. Thus, every Git directory on every computer is a full-fledged repository with complete history and full version tracking abilities, independent of network access or a central server.

5. Docker

Written by Solomon Hykes in 2013, it is a computer program that performs operating-system-level virtualization, the containerization, which is developed by Docker, Inc. Primarily, Docker was developed for Linux to use as the resource isolation features of the Linux kernel. It is a tool that can package an application and its dependencies in a virtual container that can run on any Linux server. This helps enable the flexibility and portability on where the application can run, whether on premises, public cloud, private cloud, bare metal, etc.  Moreover, it accesses the Linux kernel's virtualization features either directly using the libcontainer library.

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How Do I Get Started With Bug Bounty ?

How do I get started with bug bounty hunting? How do I improve my skills?



These are some simple steps that every bug bounty hunter can use to get started and improve their skills:

Learn to make it; then break it!
A major chunk of the hacker's mindset consists of wanting to learn more. In order to really exploit issues and discover further potential vulnerabilities, hackers are encouraged to learn to build what they are targeting. By doing this, there is a greater likelihood that hacker will understand the component being targeted and where most issues appear. For example, when people ask me how to take over a sub-domain, I make sure they understand the Domain Name System (DNS) first and let them set up their own website to play around attempting to "claim" that domain.

Read books. Lots of books.
One way to get better is by reading fellow hunters' and hackers' write-ups. Follow /r/netsec and Twitter for fantastic write-ups ranging from a variety of security-related topics that will not only motivate you but help you improve. For a list of good books to read, please refer to "What books should I read?".

Join discussions and ask questions.
As you may be aware, the information security community is full of interesting discussions ranging from breaches to surveillance, and further. The bug bounty community consists of hunters, security analysts, and platform staff helping one and another get better at what they do. There are two very popular bug bounty forums: Bug Bounty Forum and Bug Bounty World.

Participate in open source projects; learn to code.
Go to https://github.com/explore or https://gitlab.com/explore/projects and pick a project to contribute to. By doing so you will improve your general coding and communication skills. On top of that, read https://learnpythonthehardway.org/ and https://linuxjourney.com/.

Help others. If you can teach it, you have mastered it.
Once you discover something new and believe others would benefit from learning about your discovery, publish a write-up about it. Not only will you help others, you will learn to really master the topic because you can actually explain it properly.

Smile when you get feedback and use it to your advantage.
The bug bounty community is full of people wanting to help others so do not be surprised if someone gives you some constructive feedback about your work. Learn from your mistakes and in doing so use it to your advantage. I have a little physical notebook where I keep track of the little things that I learnt during the day and the feedback that people gave me.


Learn to approach a target.
The first step when approaching a target is always going to be reconnaissance — preliminary gathering of information about the target. If the target is a web application, start by browsing around like a normal user and get to know the website's purpose. Then you can start enumerating endpoints such as sub-domains, ports and web paths.

A woodsman was once asked, "What would you do if you had just five minutes to chop down a tree?" He answered, "I would spend the first two and a half minutes sharpening my axe."
As you progress, you will start to notice patterns and find yourself refining your hunting methodology. You will probably also start automating a lot of the repetitive tasks.

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Ophcrack


" Ophcrack is an open source (GPL license) program that cracks Windows LM hashes using rainbow tables. The program includes the ability to import the hashes from a variety of formats, including dumping directly from the SAM files of Windows. There is also a Live CD version which automates the retrieval, decryption, and cracking of passwords from a Windows system. Rainbow tables for LM hashes of alphanumeric passwords are provided for free by the developers. These tables can crack 99.9% of alphanumeric passwords of up to 14 characters in usually a few seconds, and at most a few minutes. Larger rainbow tables (for LM hashes of passwords with all printable characters, including symbols and space) are available for purchase from Objectif Securité. Starting with version 2.3, Ophcrack also cracks NT hashes. This is necessary if generation of the LM hash is disabled (this is default on Windows Vista), or if the password is longer than 14 characters (in which case the LM hash is not stored)." read more...

Website: http://ophcrack.sourceforge.net

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One Reason Why InfoSec Sucked In The Past 20 Years - The "Security Tips" Myth

From time to time, I get disappointed how much effort and money is put into securing computers, networks, mobile phones, ... and yet in 2016 here we are, where not much has changed on the defensive side. There are many things I personally blame for this situation, and one of them is the security tips.

The goal of these security tips is that if the average user follows these easy to remember rules, their computer will be safe. Unfortunately, by the time people integrate these rules into their daily life, these rules either become outdated, or these rules were so oversimplified that it was never true in the first place. Some of these security tips might sound ridiculous to people in InfoSec nowadays, but this is exactly what people still remember because we told them so for years.

PDF is safe to open

This is an oldie. I think this started at the time of macro viruses. Still, people think opening a PDF from an untrusted source is safer than opening a Word file. For details why this is not true, check: https://www.cvedetails.com/vulnerability-list/vendor_id-53/product_id-497/Adobe-Acrobat-Reader.html
On an unrelated note, people still believe PDF is integrity protected because the content cannot be changed (compared to a Word document).
Image stolen from Kaspersky

Java is secure

One of the best ones. Oracle started marketing Java as a safe language, where buffer overflows, format strings and pointer-based vulnerabilities are gone. Unfortunately, they forgot to tell the world that instead of "unsafe programs developed by others" they installed their unsafe program on 3 billion devices. 

Stay away from rogue websites and you will be safe

This is a very common belief I hear from average people. "I only visit some trusted news sites and social media, I never visit those shady sites." I have some bad news. At the time of malvertising and infected websites, you don't have to visit those shady sites anymore to get infected.

Don't use open WiFi

I have a very long explanation of why this makes no sense, see here. Actually, the whole recommendation makes no sense as people will connect to public WiFis, no matter what we (InfoSec) recommend.

The password policy nightmare

Actually, this topic has been covered by myself in two blog posts, see here and here. Long story short: use a password manager and 2-factor authentication wherever possible. Let the password manager choose the password for you. And last but not least, corporate password policy sux.

Sites with a padlock are safe

We tell people for years that the communication with HTTPS sites are safe, and you can be sure it is HTTPS by finding a randomly changing padlock icon somewhere next to the URL. What people hear is that sites with padlocks are safe. Whatever that means. The same goes for WiFi - a network with a padlock is safe.

Use Linux, it is free from malware

For years people told to Windows users that only if they would use Linux they won't have so much malware. Thanks to Android, now everyone in the world can enjoy malware on his/her Linux machine.

OSX is free from malware

It is true that there is significantly less malware on OSX than on Windows, but this is an "economical" question rather than a "security" one. The more people use OSX, the better target it will become. Some people even believe they are safe from phishing because they are using a Mac!

Updated AV + firewall makes me 100% safe

There is no such thing as 100% safe, and unfortunately, nowadays most malware is written for PROFIT, which means it can bypass these basic protections for days (or weeks, months, years). The more proactive protection is built into the product, the better!

How to backup data

Although this is one of the most important security tips which is not followed by people, my problem here is not the backup data advise, but how we as a community failed to provide easy to use ways to do that. Now that crypto-ransomware is a real threat to every Windows (and some OSX) users, even those people who have backups on their NAS can find their backups lost. The only hope is that at least OSX has Time Machine which is not targeted yet, and the only backup solution which really works.
The worst part is that we even created NAS devices which can be infected via worms ...

Disconnect your computer from the Internet when not used

There is no need to comment on this. Whoever recommends things like that, clearly has a problem.

Use (free) VPN to protect your anonimity

First of all. There is no such thing as free service. If it is free, you are the service. On another hand, a non-free VPN can introduce new vulnerablities, and they won't protect your anonymity. It replaces one ISP with another (your VPN provider). Even TOR cannot guarantee anonymity by itself, and VPNs are much worse.

The corporate "security tips" myth

"Luckily" these toxic security tips have infected the enterprise environment as well, not just the home users.

Use robots.txt to hide secret information on public websites

It is 2016 and somehow web developers still believe in this nonsense. And this is why this is usually the first to check on a website for penetration testers or attackers.

My password policy is safer than ever

As previously discussed, passwords are bad. Very bad. And they will stick with us for decades ...

Use WAF, IDS, IPS, Nextgen APT detection hibber-gibber and you will be safe

Companies should invest more in people and less into magic blinking devices.

Instead of shipping computers with bloatware, ship computers with exploit protection software
Teach people how to use a password safe
Teach people how to use 2FA
Teach people how to use common-sense

Conclusion

Computer security is complex, hard and the risks change every year. Is this our fault? Probably. But these kinds of security tips won't help us save the world. 

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WiFi Hacking On Tablets

Disclaimer: Don't hack anything where you don't have the authorization to do so. Stay legal.

Ever since I bought my first Android device, I wanted to use the device for WEP cracking. Not because I need it, but I want it :) After some googling, I read that you can't use your WiFi chipset for packet injection, and I forgot the whole topic.

After a while, I read about hacking on tablets (this was around a year ago), and my first opinion was: 
"This is stupid, lame, and the usage of that can be very limited".

After playing one day with it, my opinion just changed: 
"This is stupid, lame, the usage is limited, but when it works, it is really funny :-)"

At the beginning I looked at the Pwn Pad as a device that can replace a pentest workstation, working at the attacker side. Boy was I wrong. Pwn Pad should be used as a pentest device deployed at the victim's side!

You have the following options:
  1. You have 1095 USD + VAT + shipping to buy this Pwn Pad
  2. You have around 200 USD to buy an old Nexus 7 tablet, a USB OTG cable, a USB WiFi dongle (e.g. TP-Link Wireless TL-WN722N USB adapter works).



In my example, I bought a used, old 2012 Nexus WiFi. Originally I bought this to play with different custom Android ROMs, and play with rooted applications. After a while, I found this Pwn Pad hype again and gave it a shot.

The Pwn Pad community edition has an easy-to-use installer, with a proper installation description. Don't forget to backup everything from your tablet before installing Pwn Pad on it!

I don't want to repeat the install guide, it is as easy as ABC. I booted a Ubuntu Live CD, installed adb and fastboot, and it was ready-to-roll. I have not measured the time, but the whole process was around 20 minutes.


The internal WiFi chipset can be used to sniff traffic or even ARP poisoning for active MiTM. But in my case, I was not able to use the internal chipset for packet injection, which means you can't use it for WEP cracking, WPA disauth, etc. This is where the external USB WiFi comes handy. And this is why we need the Pwn Pad Android ROM, and can't use an average ROM.

There are two things where Pwn Pad really rocks. The first one is the integrated drivers for the external WiFi with monitor mode and packet injection capabilities. The second cool thing is the chroot wrapper around the Linux hacking tools. Every hacking tool has a start icon, so it feels like it is a native Android application, although it is running in a chroot Kali environment.

Wifite

The first recommended app is Wifite. Think of it as a wrapper around the aircrack - airmon - airodump suite. My biggest problem with WEP cracking was that I had to remember a bunch of commands, or have the WEP cracking manual with me every time I have to crack it. It was overcomplicated. But thanks to Wifite, that is past.

In order to crack a WEP key, you have to:
  1. Start the Wifite app
  2. Choose your adapter (the USB WiFi)

  3. Choose the target network (wep_lan in the next example)
  4. Wait for a minute 
  5. PROFIT!

SSH reverse shell

This is one of the key functionalities of the Pwn Pad. You deploy the tablet at the Victim side, and let the tablet connect to your server via (tunneled) SSH.

The basic concept of the reverse shells are that an SSH tunnel is established between the Pwn Pad tablet (client) and your external SSH server (either directly or encapsulated in other tunneling protocol), and remote port forward is set up, which means on your SSH server you connect to a localport which is forwarded to the Pwn Pad and handled by the Pwn Pad SSH server.

I believe the best option would be to use the reverse shell over 3G, and let the tablet connect to the victim network through Ethernet or WiFi. But your preference might vary. The steps for reverse shells are again well documented in the documentation, except that by default you also have to start the SSH server on the Pwn Pad. It is not hard, there is an app for that ;-) On your external SSH server you might need to install stunnel and ptunnel if you are not using Kali. The following output shows what you can see on your external SSH server after successful reverse shell.

root@myserver:/home/ubuntu# ssh -p 3333 pwnie@localhost
The authenticity of host '[localhost]:3333 ([127.0.0.1]:3333)' can't be established.
ECDSA key fingerprint is 14:d4:67:04:90:30:18:a4:7a:f6:82:04:e0:3c:c6:dc.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '[localhost]:3333' (ECDSA) to the list of known hosts.
pwnie@localhost's password:
  _____      ___  _ ___ ___   _____  _____ ___ ___ ___ ___
 | _ \ \    / / \| |_ _| __| | __\ \/ / _ \ _ \ __/ __/ __|
 |  _/\ \/\/ /| .` || || _|  | _| >  <|  _/   / _|\__ \__ \
 |_|   \_/\_/ |_|\_|___|___| |___/_/\_\_| |_|_\___|___/___/

 Release Version: 1.5.5
 Release Date: 2014-01-30
 Copyright 2014 Pwnie Express. All rights reserved.

 By using this product you agree to the terms of the Rapid Focus
 Security EULA: http://pwnieexpress.com/pdfs/RFSEULA.pdf

 This product contains both open source and proprietary software.
 Proprietary software is distributed under the terms of the EULA.
 Open source software is distributed under the GNU GPL:
 http://www.gnu.org/licenses/gpl.html

pwnie@localhost:~$

Now you have a shell on a machine that is connected to the victim network. Sweet :) Now Metasploit really makes sense on the tablet, and all other command-line tools.

EvilAP and DSniff

Start EvilAP (it is again a wrapper around airobase), choose interface (for me the Internal Nexus Wifi worked), enter an SSID (e.g freewifi), enter channel, choose whether force all clients to connect to you or just those who really want to connect to you, and start.


The next step is to start DSniff, choose interface at0, and wait :) In this example, I used a popular Hungarian webmail, which has a checkbox option for "secure" login (with default off). There are sooo many problems with this approach, e.g. you can't check the certificate before connecting, and the login page is delivered over HTTP, so one can disable the secure login checkbox seamlessly in the background, etc. In this case, I left the "secure" option on default off.



In the next tutorial, I'm going to show my next favorite app, DSploit ;)

Lessons learned

Hacking has been never so easy before
In a home environment, only use WPA2 PSK
Choose a long, nondictionary passphrase as the password for WPA2
Don't share your WiFi passwords with people you don't trust, or change it when they don't need it anymore
Don't let your client device auto-connect to WiFi stations, even if the SSID looks familiar

I believe during an engagement a Pwn Plug has better "physical cloaking" possibilities, but playing with the Pwn Pad Community Edition really gave me fun moments.

And last but not least I would like to thank to the Pwn Pad developers for releasing the Community Edition!

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2020. június 10., szerda

10 Best Wifi Hacking Android Apps To Hack Others Wifi (Without Root)

 Top 10 Best wifi hacking apps to hack wifi^s.   

Today, a smartphone without internet is like a decade ago featured phone which is mainly used to dial and receive the call. No one would even want such a phone today. The Internet is now a necessity for every mobile user. They can't live without the internet and unfortunately; if the Internet is not working due to some signal issues; they get frustrated and sometimes depressed too.


Generally, we need to pay for the Internet subscription package to run mobile data on our smartphone. But what to do if I don't want to spend money on the Internet? The solution is to connect your mobile with WiFi. You can access the internet from there. Easy, right? NO, it's not easy until you know the password of WiFi. But what if you don't know.

Two ways possible in this situation

  1. Either you ask for the password to the owner; he will provide you to use his internet through Wi-Fi
  2. You have to hack the Wi-Fi password of other's network and use the internet as an unauthorized person.

First is not reliable when you don't know the person so, you only have a second option. Today, I am going to share a few apps that help you steal the password and allow you to use the internet from others' account.

1. WiFi WPS WPA Tester

This is the foremost tool to hack the WiFi password without knowing even the root. This is a preferred choice of numerous smartphone users to decipher the pin and get access to the Wi-Fi. As time passes, a tool is upgraded and now even hack the WiFi networks while it was used to check if an access point is highly vulnerable to the rancorous attacks or not.

If you are using Lollipop or above version on your android mobile phone; you don't even need to root your device to crack a WiFi network.

Android App

Pros

  • Easy to use
  • Free
  • Decrypt the password in no time.
  • Implementation of several algos like Zhao, Arris, Dlink and more.

Cons

  • Need root access if you are using the version below Lollipop.

2. WPS Connect

Routers which has enabled a WPS protocol can be hacked with this app. The important thing is that almost all routers found in public places and homes fall under this category. In short, you will have what you want. Moreover, you can focus on your router & examine that it's vulnerable to any malicious attack or not. It helps you hack the WiFi password without root and also strengthen your WiFi network.

Once you identify the vulnerable (accessible) network, you can quickly get the password and start using the internet without any hassle. It uses algorithms like easyboxPIN and Zhao. Although, this app is not compatible with various Android phones as it is tested on Android devices like the Galaxy series, Nexus and more.

Android App

Pros

  • It's free and easy to use
  • Powerful algorithms (Zhao & easyboxPin) to crack the password
  • Supports pinning of Wi-Fi routers

Cons

  • Incompatible with few android devices
  • Couldn't identify the network automatically.

3. WiFi WPS WPA Tester Premium

This is an excellent app to decrypt the WiFi network password on your android phone. This works fine on rooted & non-rooted android phones. If you can root the Android device; you can have a better chance to hack into. Today,  security is the primary concern and so, many people use the highly secured wireless router, I think. For such networks, this app will not work as it should be. But, still it can work for numerous times with the help of WPS; not all the time. Every time, you have to try your luck to get access to other's WiFi network. This WPS WPA tester is a premium apk.

Android App

Pros

  • Works for both rooted and non-rooted android devices
  • Find the nearby network and connect your mobile with it.

Cons

  • It's a premium apk.
  • You have to try your luck to get access to the nearby network.
  • Not good to connect with highly secured wireless routers.

4. AndroDumpper Wifi (WPS Connect) – Discontinued

If you want to connect to a router which is WPS enabled; download this app immediately without going down to browse for other apps. Just open the app, start its interface & find the nearby wireless networks, you want to connect with. The app will provide an excellent option to regain the password of a selected network with & without root. Once you implemented the algorithm; it will display the password in app screen & connect to the network. Isn't it easy for you?

Android App

Pros

  • It's Free on Google Play Store
  • Easy to use and faster than some other tool.
  • Works fine for rooted & non-rooted devices
  • A dedicated blog is available for the tool (Get guidance anytime)
  • Supports for giant company routers (Vodaphone, Asus, Huawei, Dlink, etc.)

Cons

  • Rooting is required if you are using a version below android 5.0
  • Works only for WPS enabled routers.

5. Wi-fi Password Hacker Prank

Wifi Password hacker prank is a free app for the android users and can help you to connect your android phone to wifi networks available nearby. This free app simulates a process of hacking the wireless network with your smartphone. With this app, you can hack all wifi network passwords with just one key. The Prank word itself says it's a funny app used to prank with your friends. Sometimes, girls can be impressed with this prank as well. But try this at your own risk. Look excellent and professional in front of your friends and colleagues.

Steps to Hack Wifi using the Wifi Password Hacker Prank:

  • Catch up the wireless networks near to you and then select the secure network you wish to hack.
  • Wait for a while & a dialogue will be opened with the wifi password.
  • Bingo! Paste the password and start using others' Internet without spending single money.
  • Watch your favourite show and movie in High-Definition quality without worrying about your mobile data.
Android App

6. WiFi Warden

WiFi Warden is one of the finest and free android WiFi hacking apps to get access to others WiFi with ease. With WiFi Warden, a user can Analyze the WiFi networks, connect to your WiFi using the passphrase and WPS and view saved WiFi passwords without root.

By analyzing the WiFi networks, you can see all necessary information that can be discovered on the wireless networks around including BSSID, SSID, Channel bandwidth, encryption, security, router manufacturer, distance and channel number, etc.

Android App

Pros

  • Find the less crowded channel to get WiFi access.
  • You can root your device on all Android versions.
  • Easy to use and connect with the router quickly.
  • All features of this app are available for free.

Cons

  • This app doesn't work on all types of router, use a passphrase instead.
  • Access Point (AP) must have enabled WPS.
  • Require Android version 6 (Marshmallow) or higher version is necessary to display Wi-Fi networks around you.
  • Some of the features are in the testing phase. So, use it your own risk.

7. WiFi Password

'WiFi Password' is a completely free app for those who don't want to get away from the Internet even when their internet data is running out. You can connect with others' WiFi routers and use their Internet.

If you are using Android Version 5 or above; 'WiFi Password' can be the right choice for you to watch your favorite shows on YouTube in HD without even worrying about Mobile Data.

Android App

Pros:

  • Millions of WiFi Hotspots
  • Scan and detect the WiFi security
  • Connect WiFi Hotspot nearby without knowing the WiFi Password
  • You can simply add a free WiFi Hotspot by sharing the passwords with others.

Cons :

  • Still, there are some glitches in it but works well.

8. WiFi Kill Pro

WiFi Kill is one the best WiFi network controller application which can disable the Internet connection of others who are connected to the same network. Yes, this is true. It is a useful tool for internet users who want to improve their data speed by disabling other's internet connection and allocate all the bandwidth to your device only.

Currently, this app is only for Android users and needs root access to perform well.

Android App

Pros


    • You can see all connected device on the same network you are connected.

    • Display the data transfer rate of all devices

    • Monitor network activity

    • You can cut the network connection of any connected device.
  • It works well on tablets too.

Cons


    • Require root access
  • Require Android version 4.0.3 or up to use this app.

9. Penetrate Pro

A popular Wifi hacker app for android users, Penetrate pro is free and works well on Android devices. This app is widely used to find WEP and/or WPA keys to connect the devices with network routers without knowing the wifi password. Just install the app and search for the network; this app starts automatically displaying the WEP/WPA keys on the screen. Tap on the network you want to connect; one it gets connected; you can start watching videos on YouTube. Quite interesting, doesn't it?

Android App

Pros


    • Easy to search nearby free wifi networks.

    • Connect the network without knowing keys
  • Available for Free

Cons


    • Not available on Google Play Store; need to download manually.
  • Works well only for the rooted android devices

So, you have got the list of apps that help you use the internet from other's wireless network without getting caught. If you have any idea of any other Wi-Fi password hacking app; just let me know. We would love to discuss it here.

Disclaimer: VR Bonkers is not responsible for any consequences if you face while using any of the above apps. This is just a list and we are not taking any responsibility for the same. So, use them at your risk.


@EVERYTHING NT

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Vsftpd Backdoor - Ekoparty Prectf - Amn3S1A Team

It's a 32bits elf binary of some version of vsftpd, where it have been added a backdoor, they don't specify is an authentication backdoor, a special command or other stuff.

I started looking for something weird on the authentication routines, but I didn't found anything significant in a brief period of time, so I decided to do a bindiff, that was the key for locating the backdoor quickly. I do a quick diff of the strings with the command "strings bin | sort -u" and "vimdiff" and noticed that the backdoored binary has the symbol "execl" which is weird because is a call for executing elfs, don't needed for a ftp service, and weird that the compiled binary doesn't has that symbol.





Looking the xrefs of "execl" on IDA I found that code that is a clear backdoor, it create a socket, bind a port and duplicate the stdin, stdout and stderr to the socket and use the execl:



There are one xrefs to this function, the function that decides when trigger that is that kind of systems equations decision:


The backdoor was not on the authentication, it was a special command to trigger the backdoor, which is obfuscated on that systems equation, it was no needed to use a z3 equation solver because is a simple one and I did it by hand.



The equation:
cmd[0] = 69
cmd[1] = 78
cmd[1] + cmd[2] = 154
cmd[2] + cmd[3] = 202
cmd[3] + cmd[4] = 241
cmd[4] + cmd[5] = 233
cmd[5] + cmd[6] = 217
cmd[6] + cmd[7] = 218
cmd[7] + cmd[8] = 228
cmd[8] + cmd[9] = 212
cmd[9] + cmd[10] = 195
cmd[10] + cmd[11] = 195
cmd[11] + cmd[12] = 201
cmd[12] + cmd[13] = 207
cmd[13] + cmd[14] = 203
cmd[14] + cmd[15] = 215
cmd[15] + cmd[16] = 235
cmd[16] + cmd[17] = 242

The solution:
cmd[0] = 69
cmd[1] = 75
cmd[2] = 79
cmd[3] = 123
cmd[4] = 118
cmd[5] = 115
cmd[6] = 102
cmd[7] = 116
cmd[8] = 112
cmd[9] = 100
cmd[10] = 95
cmd[11] = 100
cmd[12] = 101
cmd[13] = 106
cmd[14] = 97                    
cmd[15] = 118
cmd[16] = 117
cmd[17] = 125


The flag:
EKO{vsftpd_dejavu}

The binary:
https://ctf.ekoparty.org/static/pre-ekoparty/backdoor


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2020. június 9., kedd

Entropy: Netwave And GoAhead IP Webcams Exploiting Tool


About Entropy Toolkit
   Entropy Toolkit is:
  • A set of tools to exploit Netwave and GoAhead IP Webcams.
  • A powerful toolkit for webcams penetration testing.

Entropy Toolkit's installationEntropy Toolkit's execution

Entropy Toolkit's examples:
  • Example of exploiting a single webcam
    entropy -b 1 -i [webcam's ip address and port] -v
    Example: entropy -b 1 -i 192.168.1.100:80 -v
  • Example of exploiting webcams from a list
    entropy -b 2 -l [file text] -v
    Example: entropy -b 2 -l iplist.txt -v
  • Example of exploiting webcams using shodan
    entropy -b 2 -v --shodan [you shodan api key]
    Example: entropy -b 2 -v --shodan PSKINdQe1GyxGgecYz2191H2JoS9qvgD

Entropy Toolkit disclaimer:
   Usage of the Entropy Toolkit for attacking targets without prior mutual consent is illegal. It is the end user's responsibility to obey all applicable local, state, federal, and international laws. Developers assume no liability and are not responsible for any misuse or damage caused by this program.

Entropy Toolkit license: MIT license.

Download Entropy Toolkit
(Sign up Windscribe for free, get full protection and stay anonymous
with the best free VPN. Read more here)
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How To Hack Any Whatsapp Account In 2020

The article will also be broken down into different subtopics and subcategories. This to make it easy for those who are just interested in skimming through the article to pick the part of WhatsApp hack they are most interested in. Just incase you don't have enough time to go through the entire article.

Search queries like these are a common place; Can WhatsApp be hacked? Can you read WhatsApp messages? How safe is the most popular trade fair in the world? This article gives you all the solution you need to hack any WhatsApp account, as well as how to protect yourself from a WhatsApp hack attack.

Although the messenger is now on an end-to-end encryption, WhatsApp is still not totally safe from espionage. WhatsApp chats and messages can still be accessed and read remotely, and old &deleted WhatsApp chats and messages retrieved.

WhatsApp Spy: Hack WhatsApp Chats and Messages

A very simple solution is to use a software that can hack WhatsApp remotely. All manufacturers offer to read the WhatsApp messages an extra web portal. In addition to the Whatsapp messages but can also spy on other messengers. So you can also have access to social media accounts.

The software may only be installed on a smartphone. If the user of the smartphone has been informed about the installation and effects.

WhatsApp Hacker: 3 Steps to Hack WhatsApp in 2020

You can hack Whatsapp using a second cell phone. No extra SIM card is necessary for this. The guide also works with a tablet. With this method, the other phone only needs to clone WhatsApp messages is internet connection.

The trick to hack Whatsapp successfully is not a software bug. It's the way WhatsApp has developed the setup wizard. Since there are no user accounts with passwords and you log in via the mobile number, here lies the vulnerability. But you can also protect yourself from the Whatsapp hack.

Hack WhatsApp Chat with the Best WhatsApp Hacking Tool

To read Whatsapp messages, the mobile phone number of the target must be known. The cell phone can remain locked. There is no need to install software to hack and read Whatsapp messages. Even with the PIN or fingerprint, the Whatsapp account can be hacked.

STEP 1: Create a New WhatsApp Account

To hack an account from Whatsapp, the app from the App Store must be installed on the second cell phone. After the installation of Whatsapp, target's phone number is entered. A confirmation request must be waited until access to the smartphone of the victim exists.

STEP 2: WhatsApp Account Confirmation

The confirmation of the Whatsapp account is the actual security risk of the messenger. Whatsapp usually confirms the registration via SMS. Occasionally the confirmation will also be sent by automated phone call via a phone call.

Calls and text messages can be read and taken by anyone even when the screen is locked. So that the WhatsApp hack does not stand out, the SMS must be removed from the start screen by swiping.

STEP 3: Enter Confirmation

The stolen verification PIN is now entered on the second smartphone. As a result, the WhatsApp account has been taken over by you. You can read the WhatsApp messages, which respond to this mobile phone number.

The downside to this trick is that the victim immediately notices the Whatsapp hack as soon as Whatsapp is opened. If the victim goes through the sign-in process again. The attacker loses access to the messages and no Whatsapp messages can be read.

How to Hack Someone's WhatsApp in 2020

A good way to hack a WhatsApp account is to hack whatsapp online. Here you can read WhatsApp messages via a browser and also write. The target user can continue to use his cell phone (works for iOS, Android phone etc) and does not notice the WhatsApp hack.

STEP 1: Access the Cell Phone

In order to be able to read WhatsApp messages by installing software. Access to the unlocked smartphone is required for a short time. In addition, cell phone, a computer or laptop is necessary. On this the Whatsapp messages will be read later.

STEP 2: Access WhatsApp Web

If you have access to the unlocked smartphone, Whatsapp must be started there. The Whatsapp settings include Whatsapp Web . If this is selected, Whatsapp opens a QR code scanner with the hint to open WhatsApp Web in the browser.

If the QR code is scanned in the browser with the smartphone. There is a permanent connection and Whatsapp messages can be read. If you want to hack Whatsapp in this way. You have full access to all incoming messages and you can even write messages yourself.

STEP 3: Read WhatsApp Messages

The target usually sees this Whatsapp hack only when the settings are invoked to Whatsapp Web in the app. Whatsapp messages can be read via the browser. Regardless of whether the smartphone is on home Wi-Fi or on the move. You can also hack group chats admin by just having any of the contact details.

WhatsApp Hack: How to Hack any WhatsApp account

Which is the most popular messaging app globally? Of course, you can use different apps from Android or iOS to send and receive messages. But Whatsapp remains everyone's favorite globally!

Whatsapp is one of the popular apps in the world. There are more than 2 billion active users on Whatsapp, messaging daily with the app. Why do people love WhatsApp? Whatsapp is very convenient and easy to use.

Other messaging apps like Facebook Messenger, still needs a special account to sign up for this app. If you change a new app, you'll need to add another account. This can be stressful, as you have to remember a lot of new passwords and usernames.

HACKER NT

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