Malware is any software application which subverts the will of the legitimate owner of a computer, by means of force or subterfuge, with or without personal or monetary gain on the part of the creator.

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Why does host's antivirus detect guest's malware?

I'm analyzing some malicious files on a VM and I'm noticing that every time I open a file, the host's antivirus detects it. Why does this happen? Is the malicious content escaping to the host?
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2answers
297 views

Is anti virus software supposed to clean up registry entries made by malware?

I just cleaned up a virus infection on my computer (running windows) by running an Anti Virus Scan. The malicious executable files are now deleted. However, the registry entries made by it remain. ...
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3answers
6k views

How to check if computer is controlled remotely

My laptop has windows 7 installed. One Saturday night I couldn't fall asleep and was just lying in bed. Then suddenly at around 2 in the morning I heard the fan of the laptop start up and lights on ...
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1answer
112 views

Strange Virus Infecting My Server

I am currently working on a Web App on my dedicated server (LAMP) and it seems like it might be infected with some strange malware/virus of some kind. When I access some domains on that server (every ...
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1answer
168 views

Is “Small HTTP server” malware?

I have used Small HTTP server in the past, years ago. I went to its website do download it again, but it has a dubious WOT rating: some say it is malware, some say it isn't. I proceeded to check it ...
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1answer
142 views

What vulnerabilities does a malware exploit? [closed]

I have a malware sample. I want to know what vulnerabilities does it exploit (and of which software). I tried analyzing it in IDA Free and it seems that the code was developed in Visual C/C++ runtime. ...
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3answers
838 views

How to find vulnerable sites on a web server

A client of mine has a managed VPS with dozens of websites on it, maybe even hundreds. Now his server keeps getting infected on a regular basis. The webhost / server admins keep digging in the dark. ...
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1answer
294 views

What does it mean by the 'Hash of a malware'?

I have just recently started to delve into the topics of malware. In my hunt for malware binaries, I came across certain responses that it is not easy to grab binaries based on malware names like ...
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1answer
358 views

Can the FiddlerCore library be used for Malware (e.g. MitM attacks)?

I've used the excellent Fiddler web debugging software before and have recently come across the Fiddler Core headless .NET library which gives you all the abilities of Fiddler in library form. It's ...
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2answers
103 views

Should a host based firewall have an API accessible to other applications?

Some people are hesitant to use Windows Firewall because it allows software to alter its state via an API. The benefit of this is that the Firewall configuration can be centrally manged in GPO. On ...
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106 views

Changing malware trends in VM

I recently came (Dunno, since when it was happening) to know that malwares can detect if they are running inside a VM like Vmware, and thus can change their behaviour. So my question is how the ...
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3answers
607 views

DNS queries with hex string that is a SHA1 of a domain name! Is it a malware?

My computer does a lot of queries to strange domains such as: 56cea5c2b408989ab067adcb787d0f99209bbe07.mydomain.com The strange thing is that 56cea5c2b408989ab067adcb787d0f99209bbe07 is the SHA1 of ...
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2answers
239 views

Trying to get rid of hackers who have access to all my devices

What is the best way to go about getting rid of hackers that have gained access to all my personal computers, (both old and recently purchased) phones, and even random computers I use to simply get ...
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3answers
439 views

How to search for evidence of Camfecting (webcam hacking)?

I'm worried about camfecting (webcam hacking). The camera light on my mac (running OSX) is not on, but it isn't hard wired so that doesn't say a lot. I've ran a virus scan but no signs. Now my idea ...
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1answer
85 views

Virus (or Trojan) in Android

Definition of virus is (from Wikipedia): A computer virus is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data ...
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1answer
50 views

How do I secure X server against spyware in a GUI application?

Suppose you have a GUI application, that potentionally may be too curious about your environment, such as the list of window titles. How do I limit application's ability to enumerate windows, capture ...
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2answers
86 views

How exactly does this Flash malware function on Ubuntu?

In this video, an experienced Ubuntu user manages to infect his system with some sort of malware. This is the first example I've ever seen of truly successful malware in the wild aside from privilege ...
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1answer
50 views

Questions about common exploits

I'm investigating the state of my MacBook Pro which I know was compromised, and do not know if I removed the exploits completely (and I realize, technically will never know this). I'm trying to hone ...
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1answer
43 views

What parameters to check to say that a computer running Windows is slow in responding because of infection?

When interaction between the user and the operating system is too slow (Windows become slow in responding to different user's request): what parameters could we check (and that we could use within a ...
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1answer
39 views

Difference between binary malware and script-based malware?

I'm well aware in the concept of binary malware but I don't fully understand the idea of a script-based (or shell script) malware. I am more interested in the difference especially in how script-based ...
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1answer
69 views

Is installing malicious add-ons via drive-by attacks the only way to add new toolbars to browsers?

Some attacks on web browsers consist in installing new toolbars on the browser of the user (which is just a small aspect of browser-hijacking. My question: is installing (malicious) add-ons (via ...
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1answer
85 views

Valuable languages for working malwares

I would like a recommendation for programming languages which will be valuable when dealing with malware. I learn to code on C not on expert level(thanks god I didn't). But C doesn't seems so popular ...
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1answer
229 views

How is the new “Dyer” malware bypassing SSL?

Apparently the new Dyer malware is bypassing SSL to swipe bank credentials. I read that it's using "process hooks" to hook the browsers and see the data BEFORE it is encrypted and sent to the bank ...
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2answers
74 views

Which mechanism did Flame use to avoid being identified?

I got a question that says "What is the major difference in the USB propagation system used by Flame with regard to Stuxnet to prevent being identified?". After Googling for a while, I haven't found ...
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1answer
210 views

Looking for Wepawet-like open source alternative [closed]

Is there any open source alternative to Wepawet ? I need to study techniques of JavaScript malware detection.
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1answer
225 views

Are my Snort rules correct?

I am trying to do a Snort demo and I though it would be nice to detect a real threat. I picked the sasser worm and the jolt/teardrop dos attacks for the demo; no particular reason. Out of the three ...
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3answers
742 views

Can Malware Physically Damage A Hard Drive?

I recently responded to an incident of supposed malware infection. The symptoms where simply "my computer is freezes at random times". The response ended with replacement of the physical hard drive ...
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1answer
247 views

JS malware detection

Is there a way to detect a malicious JavaScript code within a webpage before the script runs on my computer ? I want to develop a Python script that prevents from 8 JS malwares that I can embed on my ...
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1answer
65 views

ensuring that compiled (and signed) packages don't contain malicious code

I would like to understand how the packaged Linux distributions (i.e. Debian) ensure that their packages don't contain any malicious code. I know that packages are signed, and that I can download the ...
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2answers
146 views

Getting detailed information about an infected website

I have a set of bad URL's. I want to know the nature of infections affecting these URL's . Running an online scanner such as VirusTotal gives me some basic information from various engines about the ...
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1answer
45 views

Photo Attachment's Feature For Some Mail Servers [duplicate]

You already know google started new service which is related to gmail. http://gmailblog.blogspot.com/2013/11/attachments-in-gmail-now-with-power-of.html When we send new mail to friends.If it ...
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1answer
157 views

someone claims to have created such a malware, can he be true?

These are not my lines they are by someone else on the internet. I also want to know is that malware that unique? How will it work in GPU and is there a way to sandbox such application? "HERE GOES ...
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1answer
129 views

What is “KDV” in antivirus databases?

I scanned a file (virus) on VirusTotal and 3-5 antivirus labelled it as Generic.KDV.549626 Is there any central "KDV" database where all the entries related to a virus are stored?
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271 views

Remote Administration Tools and firewalls

I was faced with a question a few days ago, regarding how a RAT server can reach out through the firewall and connect to the client. This was something that I've never given any thought to before, so ...
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144 views

multiple hash values in a single malware file

Can a malware file have multiple "Hash values"?
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2answers
754 views

Is a VPN the only way to protect against rogue Wifi access points MITM attacks?

Given that it's very easy set up a rogue access point and MITM that connection, is a VPN to a trusted host the only real way to secure my browsing and other TCP/UDP actions? This question relates to ...
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1answer
57 views

File directory deletion [closed]

So I heard this guy talkin about how one time he deleted someone's windows directory remotely. He claimed to have gotten into the system and deleted it such that the files are all still there, but the ...
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0answers
38 views

Malware or exploit kit without escalation kit

Does anyone know of any malware or exploit kit that do not use a privilege escalation kit and just do malicious things with an unprivileged permission?
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1answer
328 views

CloudFlare - prompted for “attention required”

I am getting a CloudFlare - attention required / security check prompt on most of the sites I visit through my Macbook running OS X Yosemite, these sites work perfectly on other devices (such as iPad, ...
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2answers
55 views

Do common malware compromise recovery partitions?

Just about now a friend of mine got compromised, actually she was compromised by various adware since long ago but she installed something (her browser was hijacked to deliver even more malware) and ...
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0answers
19 views

Infer encoding mechanism from n-grams distance

I have a series of obfuscated strings which across the set of strings have regions of high variance and regions of low variance (implying some encoding mechanism as opposed to an encryption procedure ...
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0answers
10 views

How many kbdclasses are normal?

I use a laptop and never had used any external keyboards. Is there a keylogger hiding? What to do?
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72 views

Application Privilege Control in Kaspersky blocks program with no digital signature

I made a small application that displays hello world to the console output and attempted to open it in another computer that had Kaspersky fully updated. When I ran the application, Kaspersky gave a ...
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1answer
72 views

Sandbox environment for “php malware” analysis [closed]

I would like to know how can I analyse an obfuscated malware php code ? I heard about cuckoo sandbox, but it seems too overwhelming for this particular task. So I decided to run a Vagrant box, install ...
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1answer
169 views

Ubuntu 12.04 server attacked using Wordpress vulnerability (plugin?) [duplicate]

Env Rackspace cloud server Wordpress 3.9.1 Ubuntu 12.04 Linux web.mydomain.com 3.2.0-67-virtual #101-Ubuntu SMP Tue Jul 15 17:58:37 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux History These may ...
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0answers
98 views

Which system files are targeted by malware on Windows XP?

On Windows XP, what are the main system files and DLL files are targeted by malware ? I need this information in order to make a hash of those files and check if my system will be compromised in the ...
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1answer
75 views

Is API hooking done by a process in a shared page, visible to all other processes?

Assume, I have an executable which hooks the API CreateFileW located in Kernel32.dll which is shared globally across the system for all other processes. From hooking I mean, that I have overwritten ...
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0answers
59 views

How secure is flashgot?

Is it inherently insecure to download movies with a download manager such flashgot? Do i run the risk of exploitation or downloading malware along with the .flv files?
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1answer
420 views

How to combat and prevent a lpcloudsvr302 and bk-coretag.js Virus?

I recently came across a computer that was infected with a lpcloudsvr302 and a bk-coretag.js Virus. I did some research about the two Viruses and realized that their is no reliable source that helps ...
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1answer
197 views

Java Drive By & Stub - Explanation [closed]

I have been trying to make some extensions for chrome lately to block some unwanted stuff. I have also been searching for quite some time to find what a JDB does.So , the applet downloads a file , ...