A botnet is a collection of computers that are under the control of a person or group, usually facilitated by malware. These computers are often used to take part in DDoS attacks and spamming.

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Is there a list of currently active botnets? [on hold]

I am a researcher, I want a list of currently active botnets names, I prepared a list but unfortunately, C&Cs of most of them are now down and they have gone offline. (For example fast-flux and ...
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16 views

Google search results redirecting to spam sites [closed]

I have couple of wordpress based sites, recently notice that the respect search results for these websites redirecting users to spam sites. also i have noticed excessive CPU usage on my server. ...
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123 views

Why don't the majority of today's malware use strong cryptography?

While reading another story of botnet takedown, my wondering has reached its apogee: Why don't malware authors use cryptography (encryption + signing) provided by good libraries when their creations ...
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21 views

Detecting Spamming activities of Botnets

Remarks Hello Everyone,thanks for being a nice platform for expressing Everyone's Doubts/Views. Problem Statement I want to detect spamming activity of botnets Background Information about ...
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64 views

How to successfully report DoS attack coming from a big ISP?

A few weeks ago I reported a small botnet which is coming from the network of a big Internet provider. They asked me for more details which I provided. But the attack is going for weeks already and ...
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1answer
35 views

Firewalled bots in UDP p2p botnets?

One thing that I don't understand about peer to peer botnets, is how a bot stays connected to the network considering the protocol used is UDP. Since the UDP is connectionless, and the bot is behind ...
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3answers
79 views

Reporting Credit Card Thieves

Someone is using a client's commerce site to check the validity of lots of credit cards. After dropping IP addresses based on usage whoever is behind it throttled their requests down to 1 request ...
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3answers
169 views

How is IRC so secure/untraceable that hackers and pirates use it to communicate?

Whats is special about IRC that hackers use it to do online meetings ignoring every other way like messengers or social media? It seems to be very secure that it gets used to send commands to victims ...
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2answers
128 views

How hackers implemented DDoS attack with 602 Gbps?

Everybody's heard about DDoS attack with 602Gbps Bandwidth that crashed BBC site, But is really Botnets and hacked servers can implements an attack in this scale ?
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1answer
173 views

How does Zeus (and other malware) inject code into other processes

Recently, I've been studying how malware works, most recently the infamously known Zeus bot, and I've noticed one thing that I don't seem to understand: The malware is said to be able to hook APIs in ...
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1answer
86 views

What is the role of IP spoofing in DDoS attacks?

I've read that IP spoofing is often used in denial of service attacks, and I've also just recently read about ingress filtering, which attempts to use blacklisting to filter out spoofed IP addresses ...
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1answer
83 views

Detecting botnets that use HTTP instead of IRC

I know most bots use either IRC or HTTP to communicate with the C&C, and http unlike IRC can't be blocked. So if a botnet is using HTTP, how can this be prevented? Just theoretical!
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5answers
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Is it possible to be a hacker without being a criminal?

I am interested in information security, and I want to be a "hacker." I want to write hacking tools, make viruses, and other stuff... For me, programming botnets are a lot of fun, but how can ...
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3answers
173 views

How can I create a research botnet within VMware?

For educational purposes I am attempting to create a botnet within VMware making use of 3 or 4 machines (So I can attack a 5th virtual machine using this botnet), but the issue I'm facing is I can't ...
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2answers
98 views

REST Services: Limiting the concurrency of a login endpoint

Scenario: A botnet is recruited to try to authenticate against a website or service with each bot trying infrequently using a common password and a list of 'real' email addresses, avoiding the ...
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4answers
250 views

How do botnets communicate without being caught?

This is something i have pondered about for a while now, but never really thought to ask. How is it that botnets can communicate with a controller of some sort to co-ordinate DDoS attacks and other ...
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2answers
361 views

Creating botnet C&C server. What architecture should I use? IRC? HTTP?

I am doing a project related to botnets and I have to create a lightweight command and control server. But I am stuck: should I use IRC or a HTTP-based C&C? Even I am not getting any in-depth ...
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3answers
283 views

Why is the victim a server instead of a client?

I just finished creating my own remote administration tool "a server to multiple client one" using System.Net.Socket, - "Watch Dogs fan :P" then I try to search on google how they make or design ...
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1answer
4k views

Zeus botnet source code

I am doing my project on botnets and wanted to understand the source code of the Zeus botnet. Where is the right place to get started with some analysis of zeus botnet source code? I need a good ...
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4answers
302 views

how we know whether our computers are part of a botnet? [closed]

When we visit websites, unknowingly our computers can be a victims of a botnet. There should be a way to identify whether we are victims or not. What is the way to identify it and how to recover from ...
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1answer
187 views

running botnet for analysis

I a very curious to understand botnets practically. I want to run a p2p botnet (storm or waledac) for analysis and learning. I have mainly two issues: Where can i get access to binaries of either ...
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1answer
197 views

Possible virus hogging bandwidth [duplicate]

My computer might have a virus infection. I have used Norton Internet Security and Power Eraser to scan the computer but it still did not work. The traffic on my PC looks like this I used resource ...
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1answer
85 views

How Fast Flux technique works exactly?

I was reading about botnets and C&C servers and saw this term. I've read this Wikipedia article but I couldn't really understand what and how this is working. I think its some kind of proxy ...
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2answers
387 views

Will gmail close my well intentioned botnet account? [closed]

I'm part of a company that has at least 1000 PC's distributed in different buildings over a radius of 25 miles. I've been asked to make a program to survey technical information on each PC. Since ...
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1answer
445 views

Should a server be considered compromised simply because a port was open?

Earlier today I received a notification of a security incident at Mandrill. At first I was concerned, but then after I dove into the details I became confused as to why they considered this noteworthy ...
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2answers
133 views

Why do researcher need to control all C&C servers of a botnet?

Why do researcher need to control all C&C servers of a botnet? Wouldn't it be easier to spread a deinstall command to all reachable PCs to cripple the botnet? This could be done over and over ...
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2k views

How do CC servers communicate to botnet bots in a local network?

A more general question How do bots communicate in the Zeus botnet? doesn't really address my question. I'm trying to understand how a bot can communicate with command and control (CC) machine. On a ...
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537 views

Can/do botnets brute force “high value” users of services like Gmail?

On an intranet a login is generally disabled after a very small number of failed logins. But a public email service like Gmail can't do the same, otherwise pranksters would just be continuously ...
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147 views

Limitations of botnets [closed]

My question is very closely related to this question but I didn't find my answer there. Specifically, I'm interested in whether the C2 server can modify aspects/properties of the malware and, if so, ...
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2answers
292 views

Attack using weird characters followed by some javascript in a URL?

I'm seeing a very weird attack this morning from a pile of VPS instances spread out across the US. The URLs look like this: /js/bundles/,!0):this.element.propAttr( ...
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1answer
238 views

Can a botnet be used to effectively break encryption keys?

Can a botnet amass and coordinate enough computing power to break encryption keys that are typically considered to be secure (through brute force)? If this is the case, do we need to make our ...
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1answer
281 views

distinguish between bots and legitimate clients [closed]

If an attack (DoS & DDoS) involves thousands of bots, how can the server distinguish them from legitimate clients?
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3answers
138 views

Specific Dangers in Joining a Linux Botnet?

Between the PHP-as-cgi-bin problem, and shellshock, I've seen 4 or 5 different Perl scripts that, when run, purport to make your machine part of some scary, heinous botnet. What, specifically, would ...
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1k views

Is there any defense against Brute-Force done on a local encrypted file?

Let me start off by saying I don't know very much about encryption, hashing, cracking, etc. I'm just a typical computer enthusiasts, programmer and researcher with many questions. So, I've discovered ...
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1answer
264 views

botnets Domain names List [closed]

how I can obtain the latest list of the latest revealed botnets domain list I am looking for the DGA-based botnet in particular I want to collect 1000,000 generated domain list to seed them to my ...
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2answers
826 views

How to get rid of an Ad bot?

The issue started due to setting up a proxy server on a PC connected to my network. I then realized that all of my devices that connected to the network, including PCs and phones, are all infected by ...
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1answer
1k views

How do botnets deliver spam? [closed]

I can't seem to find the answer to this question. I read that botnet bots are used as email relays (they have smtp servers installed). Wikipedia on Open mail relay: "(...)Internet initiatives to ...
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176 views

Malicious capabilities of Social Botnets

A fairly new concept in Malware, especially in the case of botnets, is the emergence of social botnets. These botnets are comprised of accounts (either a newly created account or an existing hijacked ...
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3answers
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How to detect the so-called “undetectable” Gameover Zeus?

The media are currently (and have been) creating a huge ruckus surrounding the supposedly "undetectable" Gameover Zeus malware. The Daily Mail The Mirror The Independant PC World The Telegraph ...
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1answer
212 views

compromising DVRs to become bitcoin mining bot [duplicate]

I read this article, about an exploit which highjacks a DVR to become a "bitcoin mining bot". The heart of the attack is to send a binary using just echo comands to the device, which acts as a ...
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I have discovered a botnet during testing [closed]

Whilst testing a server I discovered a botnet. I have the executable downloaded to the server and decompiled the file to get the strings from it. My question is what would the next logical step be ...
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1answer
119 views

Botnet fingerprinting

Does anyone know of any research of papers on fingerprinting botnets? If a given target is being brute forced or DDoSed do methods exist to determine if a brute force or DDoS on another target are ...
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22 views

What are the fields needed to check for SQLI, XSS, XSRF and Remote file inclusion attacks in apache access log file [duplicate]

I need to identify the SQLI, DoS, XSS attacks from log file. At which field these attacks will reflect in log file. Please suggest me some idea and send materials to me.
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645 views

How do bots communicate in the zeus botnet?

I read on http://www.abuse.ch/?p=3499 that: ZeuS is now using an “IP list” which contains the IP addresses of other drones participating in the P2P botnet. An initial list of IP addresses is hardcoded ...
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294 views

How to identify and analyze malware that checks for security tools before running?

I've been reading about the ZeroAccess and looking into some bot's code source* and I found this piece of code which checks if filemon is running in the infected computer before running the bot. ...
10
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1answer
980 views

Would using Google reCAPTCHA allow Google to cheat?

Wanting to go a step further into reducing the attacking surface from my "register new user" form I think on using reCAPTCHA (the one Google offers). Having bots sorted out from being able to ...
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3answers
3k views

How to check if URL/ IP belongs to a zeus bot

I have a set of URL's which might be Zeus hosts / C&C servers since my security appliance says so. Is there a way to check if these really belong to Zeus?
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2answers
1k views

What could be the reason for the high traffic on the local network? [closed]

In our small company we have very high traffic outbound from local network to server which is getting blocked, and slow downs our server respond time. Especially at night. I am not security ...
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4answers
2k views

What are spambots doing with unintelligible login attempts?

After constantly being under attack in phpBB, I created a new forum by hand, which successfully prevents spam bots from registering, and I get a report for every failed login attempt, telling me the ...
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1answer
522 views

Zeus for iOS devices

Is there a known variant of Zeus which attacks iOS based mobile devices? I have read about versions for Android and Symbian , wondering if iOS is vulnerable to it as well.