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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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Welcome back, hope you are enjoying this series, I don't know about you but I'm enjoying it a lot. This is part 3 of the series and in this article we're going to learn some new commands. Let's get started

Command: w
Syntax: w
Function: This simple function is used to see who is currently logged in and what they are doing, that is, their processes.

Command: whoami
Syntax:   whoami
Function: This is another simple command which is used to print the user name associated with the current effective user ID.

Try it and it will show up your user name.

If you want to know information about a particular user no matter whether it is you or someone else there is a command for doing that as well.

Command: finger
Syntax: finger [option] [username]
Function: finger is a user information lookup program. The [] around the arguments means that these arguments are optional this convention is used everywhere in this whole series.

In order to find information about your current user you can simply type:

finger username

Here username is your current username.
To find information about root you can type:

finger root

and it will display info about root user.

Command: uname
Syntax: uname [options]
Function:   uname is used to display information about the system.

uname is mostly used with the flag -a, which means display all information like this:

uname -a

Command: df
Syntax: df [option] [FILE ...]
Function:   df is used to display the amount of space available.
If you type df in your terminal and then hit enter you'll see the used and available space of every drive currently mounted on the system. However the information is displayed in block-size, which is not so much human friendly. But don't worry we can have a human friendly output as well using df by typing:

df -h

the -h flag is used to display the used and available space in a more user friendly format.
We can also view the info of a single drive by specifying the drive name after df like this:

df -h /dev/sda2

That's it for now about df, let's move on.

Command: free
Syntax:   free [options]
Function: free is used to display the amount of free and used physical memory and swap memory in the system.
Again the displayed information is in block-size to get a more human readable format use the -h flag like this:

free -h

Command: cal
Syntax: cal [options]
Function: cal stands for calendar. It is used to display the calendar.

If you want to display current date on the calendar you can simply type:

cal

and wohooo! you get a nice looking calendar on screen with current date marked but what if you want to display calendar of a previous month well you can do that as well. Say you want to display calendar of Jan 2010, then you'll have to type:

cal -d 2010-01

Nice little handy tool, isn't it?

Command: file
Syntax: file filename ...
Function:   file is an awesome tool, it's used to classify a file. It is used to determine the file type.

Let's demonstrate the usage of this command by solving a Noob's CTF challenge using file and base64 commands. We'll talk about base64 command in a bit. Go to InfoSecInstitute CTF Website. What you need to do here is to save the broken image file on your local computer in your home directory. After saving the file open your terminal (if it isn't already). Move to your home directory and then check what type of file it is using the file command:

cd
file image.jpg

Shocking output? The file command has identified the above file as an ASCII text file which means the above file is not an image file rather it is a text file now it's time to see it's contents so we'll type:

cat image.jpg

What is that? It's some kind of gibberish. Well it's base64 encoded text. We need to decode it. Let's learn how to do that.

Command: base64
Syntax:   base64 [option] FILE ...
Function: base64 command is used to encode/decode data and then print it to stdout.

If we're to encode some text in base64 format we'd simply type base64 hit enter and then start typing the text in the terminal after you're done hit enter again and then press CTRL+D like this:

base64
some text here
<CTRL+D>
c29tZSB0ZXh0IGhlcmUK # output - the encoded string

But in the above CTF we've got base64 encoded data we need to decode it, how are we going to do that? It's simple:

base64 -d image.jpg

There you go you've captured the flag.
The -d flag here specifies that we want to decode instead of encode and after it is the name of file we want to decode.

Voila!
So now you're officially a Hacker! Sorry no certificates available here :)

That's it for this article meet ya soon in the upcoming article.

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The name sounds exciting but really does it jam WiFi networks? Yes, it is able to do the thing which it's name suggests. So today I'm going to show you how to annoy your friend by cutting him/her short of the WiFi service.

Requirements:

A computer/laptop with WiFi capable of monitoring (monitor mode).
A Linux OS (I'm using Arch Linux with BlackArch Repos)
And the most obvious thing wifijammer (If you're having BlackArch then you already have it).

How does it work? You maybe thinking!, it's quite simple it sends the deauth packets from the client to the AP (Access Point) after spoofing its (client's) mac-address which makes AP think that it's the connected client who wants to disconnect and Voila!

Well to jam all WiFi networks in your range its quite easy just type:

sudo wifijammer

but wait a minute this may not be a good idea. You may jam all the networks around you, is it really what you want to do? I don't think so and I guess it's illegal.

We just want to play a prank on our friend isn't it? So we want to attack just his/her AP. To do that just type:

sudo wifijammer -a <<AP-MAC-ADDRESS>>

here -a flag specifies that we want to jam a particular AP and after it we must provide the MAC-ADDRESS of that particular AP that we want to jam.

Now how in the world am I going to know what is the MAC-ADDRESS of my friend's AP without disturbing the other people around me?

It's easy just use the Hackers all time favorite tool airodump-ng. Type in the following commands:

sudo airmon-ng

sudo airodump-ng

airmon-ng will put your device in monitor mode and airodump-ng will list all the wifi networks around you with their BSSID, MAC-ADDRESS, and CHANNELS. Now look for your friend's BSSID and grab his/her MAC-ADDRESS and plug that in the above mentioned command. Wooohooo! now you are jamming just your friend's wifi network.

Maybe that's not what you want, maybe you want to jam all the people on a particular channel well wifijammer can help you even with that just type:

sudo wifijammer -c <<CHANNEL-NUMBER>>

with -c we specify to wifijammer that we only want to deauth clients on a specified channel. Again you can see with airodump-ng who is on which channel.

wifijammer has got many other flags you can check out all flags using this command that you always knew:

sudo wifijammer -h

Hope you enjoyed it, good bye and have fun :)

HACKING PASSWORDS USING CREDENTIAL HARVESTER ATTACK

REQUIREMENTS

It's very simple and easy to follow. Before you start, you need the following things to work with.

Kali Linux OS
Target Website

STEPS TO FOLLOW

Run the Kali Linux machine. If you have not Kali Linux installed, you can grab a free copy and install it as a virtual machine. You can learn more about Kali Linux VirtualBox installation.
Sign in to Kali Linux by entering username root and password toor.
As you'll sign in, navigate to the Applications > Social Engineering Tools > Social Engineering as shown in the following screenshot.
Now you will see the different options. You have to choose Social Engineering Attacks by simply entering its number in the terminal. Once you do it, it will show a few options further. Simply choose Website Vector Attack by putting its number.
Website vector attack will show up it's a different type of attacks. We are going to use Credential Harvester Attack.
Choose the Site Clone option. As you do it, it will ask for your public IP address. Just open up a new terminal and type ifconfig. It'll show the public IP. Just copy it and paste in the previous terminal as shown in the following screenshots.
After we do it. Enter the target website of which passwords you want to hack. Make sure to use a website that has username and password on the same page.
All done now. As someone opens up the browser on the public IP we specified, it'll show up the website that we entered in the previous step. Now as someone enters their username or password, it will be captured in the terminal.

That's all. If you're not clear yet. You can watch the following complete video tutorial on how to do it.

Artikel Islam

Friday, June 2, 2023

How Do I Get Started With Bug Bounty ?

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Thursday, June 1, 2023

Linux Command Line Hackery Series - Part 3

WiFiJammer: Amazing Wi-Fi Tool

Requirements:

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HACKING PASSWORDS USING CREDENTIAL HARVESTER ATTACK

HACKING PASSWORDS USING CREDENTIAL HARVESTER ATTACK

REQUIREMENTS

STEPS TO FOLLOW

More information

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