What Is BOTNET? DDoS Malware Attack In Network/ Cyber Security: In this guide, first let’s learn, What Botnet is and why they’re used and how they are used and what they can do to you. So, let’s get started. So, the sons of the question – what is a botnet and it now is a hit large network of infected computers that all connect to one area and are controlled by the botnet. Admin these computers that are affected. We don’t serve out their computers, are knowing once they’re affected, they can connect back to the host and basically await commands from the botnet admin.
What Is BOTNET? DDoS Malware Attack In Network/ Cyber Security
The reason why you tend to see botnets being covered by the media is that when we say network, we really do mean network. We are not talking about 10 to 15 vector machines. We are talking about 10,000 infected computers and all that power is at the Spurs of the admin. But, it’s highly illegal and if you are caught using one and also be caught by spreading about illegal it and stealing information on a large scale. That’s where you are going to find yourself in some real trouble.
This is why the BANDA admins take all the private precautions of the no-log VPNs offshore hosting and secure everything to try and remain undetected for as long as possible. But, why do people do this, why do they have 10,000 bots already in action at the click of a button, mostly for money. This is by far the best way to learn about the botnets. You can use 10,000 Bots to do silent Bitcoin mining. All for one account and basically combining all that power into one single computer.
To do the mining, the reason we say silent is because – it runs in the background. However, running the silent Bitcoin miner can cause a real problem for the long term. The more the botnets, the more you suffer infected computers will notice that they have been infected by something because their GPU will be a hundred per cent usage all the time. Another thing that these infected machines can be used for is DDoS in which is a distributed denial-of-service which will disconnect the target from the internet more.
Indeed, Austin if you people choose in an episode of explained finally with a large button if false traffic diver those bots to go to websites and YouTube videos etc. to create false traffic which means money from the advertisement revenue which means you can make money from the advertisement revenue.
Because it looks like the traffic is legit, legitimate and of course you can steal from these spots such as esteem and origin accounts and seldom on. So how does it work and how does someone gets infected because of it. and why do they not know they are infected. We have actually played with the real basics of this is a very long time ago when we played with infecting Windows 7, with a reverse TCP connection. This is actually the same principle but on a much stable and larger scale, it starts off with software.
There are two kinds, we have IRC BOTS and rats IRC bots are very popular for very large botnets such as the one you see on the news been taken down by the police. IRC means Internet Relay Chat. It’s like a group messaging service where you can speak to people in private. All infected machines will secretly be listening to this chat service and waiting for commands from their administrator. it’s very simple in terms of the theory and not much can go wrong.
Second, we have rats, these are good for around 0 to 2000 BOTS and offer more features such as webcam spying and desktop sharing things like that. They are easy to sell which can be annoying when an 11-Year-Old Kid gets hold of one and start causing damage to people and deleting files and such always kick your back up with new files. They are very easy to use and very user-friendly and you can just click buttons and watch what happens. So, why are these infected machines not getting cured by Anti-Viruses?
This can be two reasons, they don’t have an anti-virus, other viruses being encrypted when we say encrypted, we mean that the code inside the virus has been encrypted. So, the invite antivirus cannot analyse it properly and it doesn’t seem to be a threat. Therefore EFRAIN seems normal.
But in the background that we serve a normal computer user cannot capture what’s really going on? So, a botnet is different than isolated pieces of malware in the fact that a botnet is a collection of infected machines which are coordinated through command and control by a central server, which is called – command and control server. So, the power of botnets is basically in the amount of distributed computation and storage power that is available to a C&C server. that is available.
It may be called as a short robot. So, the bot is basically for machines that can operate in an automated fashion, which refers to the robot, the thing that you mentioned here is clear. A botnet is a collection of things that somebody’s using for nefarious purposes, would that be right? Or does it have to be? Yeah, usually it is for a nefarious purpose. So, the main two strengths of a botnet, from the point of view of a bad person.
One, that there is, they are like bots on the order of thousands of machines; so, there is a lot of distributed computing and storage power available there. And the other one is a certain delegation of responsibility or deniability, which the infrastructure affords to the person who runs the botnet, in terms of, that the person conducts all these nefarious activities from the platform of the bots and not just directly.
Usually people are not aware; and basically, stealth and botnets usually go hand in hand, because, from the point of view of the C7C server, it wants to ensure that the bots remain infected and available, and stay that way for the longest period of the time possible. So, if the user is aware that, you know it has been infected, then you typically, they would probably re-install the operating system or take other measures to clean the machine, which doesn’t work in the favour of the botnet controller. We are assuming this starts from people opening dodgy emails, or something.
Is that the sort of thing that starts this off for an innocent user setting here, using their computer? So, every botnet has a propagation mechanism; and, nothing stopping it from using multiple propagation vectors. So, for example, a botnet can spread itself in passive ways, or inactive ways.
So, active ways usually involve little or no user intervention; basically no user intervention in the sense that, if a machine has been infected, then the bot binary has the inherent mechanism to find other hosts on the internet to infect. For example, by scanning for hots, that have known vulnerabilities that can be explained. And then, there is a passive mechanism that uses – that require some degree of user intervention. For example, drive-by downloads, which are websites that have, say some active content like Javascript or ActiveX control.
So just a user when he or she visits the website, the installation of the malware takes place in an automated fashion. So, just because they visited that website, the website might be doing something that they think. Flash – Active – that or the other, and fancy graphics. But in the background, it could be doing something much more serious. There are other passive ways, also.
We mean, social engineering is a very powerful way. of spreading malware in general, which involves some kind of human interaction to convince a user to take steps that they would otherwise not do. For example, a popup thing that popups and say – you have won the lottery. Click on this link to claim the money, and you click on that link and it initiates the download of malware to your machine.
And then, we also have propagation mechanisms like media. For example, USB sticks. Which is potentially very powerful, because it allows the infection to spread to private networks which are otherwise inaccessible over the internet. We mean, usually, the malicious binary is in the form of an executable. So, it just starts running, right, like it doesn’t need you to double click on it.
Where does the command machine come in? You know, is that bein controlled by someone or is that itself a bot? So, we think we can make use of some diagrams here – absolutely. So, here is the C&C server here. And, here is the user. The innocent user. Say that, through whatever propagation vector, thither through clicking on some bad links or through some infected media, the user installs the malicious software. If it’s associated with a botnet, usually its called a bot binary.
Binary means the executable code which can be directly run by the machine without the need to be compiled. By installing the bot binary, the user has got the infection, but it is not formally part of the botnet now. It needs to find some way to locate the C&C server to be able to exchange the messages with it.
So, it needs some rallying mechanisms. Now, the rallying mechanisms can take place in the form of an IP address. That is – the IP address can be hard-coded into the bot binary. Or the user can obtain a seed list of the IP addresses, which would be basically, IP addresses of some other hots, which know how to locate the C&C server.
So basically, like stepping stones between the C&C server and the user. Apart from the IP address, the user could also potentially use some domain name and related to the C&C server, and the domain name could likewise be hard-worded into the bot binary; or the screen. Make use of some algorithm which is known to the user, and to the C&C server to generate predictable domain names which are then associated with the C&C servers.
Either way, once the user finds out how to communicate with the C&C server, it connects to it. Now the user is formally a part of the botnet and it has kind of registered himself with a botnet. So typically, the C&C server wants the bots to carry out certain nefarious activities on its behalf. It is able to access that particular bot in time. Now, the purpose for which these bots can be used is different.
For example, the bots can be used for the purpose of information gathering, which involves, sensitive information like passwords, credit card information, or information that is not of a financial nature but still valuable for example, intellectual property. The other purpose for which the botnets can use its bots is for distributed computing.
For example, distributed password cracking, getting bots to solve Captcha, basically, anything that requires proof of work and is infeasible, for the botmaster, the person who controls the botnet, to carry out individually. It can distribute it across the recruited bots and get them to do it on its behalf. The C&C machine is obviously under the control of the whoever botmaster is. Is that there usually their own computer, or is that again remote from them?
So, is there – we were wondering if there was any way of tracing them? So, it would be very naive of a botmaster to directly use its own machine for the C&C purposes.
And, usually, how it evades detection is to incorporate several stepping stones between itself and the machines. And, for example, it could log in to that machine or access that machine using the TOR network.
So that way, it is using that machine anonymously and remove all traces of its identity, and basically be untraceable. How many botnets are actually operating on the internet at the amoung? Is there – can anyone hazard a guess at those numbers, or – it is hard to say, because, how can you count the number of bots that are controlled, right?
Like if its a centralized, botnet and there is one or like a limited number of C&C servers – in one specific case, they looked at all the incoming connections to the C&C server, which kind of helped them estimate the footprint of the botnet, which is the number of botnets that formed part of the botnet. But, who knows if there are other C&C servers related to the same botnet?
Because, you know, looking from the vantage point of one C&C server, would afford you visibility into only its own footprint. So, there have been academic studies on estimates of botnet footprints. But, one cannot really be completely accurate about that. Is there any way that kind of technology can help used for good? Or is it always for nefarious purposes?
Well, it’s kind of being used for the good, in the context of censorship resistance systems, where good users are trying to access some content which has been banned in their country, using more or less the same evasive measures which are used by botnets or malware to evade security people. So, its the same model turned upside down. To practice, to create a botnet, here is what we can do – or, what we will be doing is creating an executable file which will try to connect to our BackTrack 5 machine.
The PayLoad we, will be using is called Reverse TCP, which means that our BackTrack 5 machine will listen for our Windows 7 machine and establish a connection. From there, we can execute commands from the BackTrack 5 machine to run the Windows 7 machine completely undetected. People end up getting infected because they download stupid stuff such as rune space goal generators of facebook hack tools. It looks clean because it’s encrypted but what when you open the flash program?
There is a virus bandit inside of it, once you open the false program, you essentially open a huge can of warms that scare off and hide in windows if you delete the offending program it doesn’t work well. The virus has already left and gone somewhere else. So, Matic Views do not download stupid stuff and make sure what Steph and Bill, that seems too good to be true is exactly the opposite of it. To understand the DDoS attacks, you need to first know about something called Botnets. So, let’s start at the beginning.
How things are supposed to work? This is an example of regular communication between the browser and a web server. A user enters the web address, the browser sends a request to the webserver, the webserver looks up the requested web page and returns the data to the browser. Executing a simple denial of service attack, the attackers send a large number of special requests when the load is too much for the server to cope with.
It will fail to respond when a legitimate user tries to access a web page. The request will timer in a DOS attack. The malicious packets are sent from a single device but in a DDoS attack, the target is hit from several devices simultaneously launching the attack from multiple devices for several advantages. More devices mean, more available bandwidth to flood the target.
Its harder for the victim to find and block the low-level source IP Address. But, when a precaution is deployed in front of your company’s web server, it blocks the DoS and DDoS Attacks while keeping your systems online for regular usage. When a large swarm of computer acts into the control of a single attacker, its called a botnet. We will not continue to show you how botnets are commonly created.
The attacker acquires a virus, comes up with a cool name and combines two into a so-called Trojan Horse. Next, the attackers will upload the Trojan, to various popular peer to peer networks, a curious internet user notices the free wares of art on peer to peer and downloads it to SPC installation of the free wares files. But, leaves behind the virus hidden from the end-user.
When your PC gets infected, the virus will first phone home, if necessary, update its own code – then the wait further instructions. Let us introduce to you the “Attacker,” the botnet command centre, your e-commerce server globally distributed coordinate clients. The command from attackers to all bonded clients DDoS attack your server today at 2300 hours.
Notice, how the attacker cuts any contact with the direct server. Once the attack has been scheduled, it’s only a matter of time. Before all hell breaks loose. Hopefully, this guide solves all your queries related to BOTNET DDoS, BOTNET Examples, BOTNET Download, Types of BOTNETS, BOTNET Attack Example, How to Do BOTNETS Work, BOTNET for Sale, BOTNET detection etc. Still, if you’re having any questions related to What Is BOTNET? DDoS Malware Attack In Network/ Cyber Security, do let us know in the comment box below.
