Tagged Questions

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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5
votes
2answers
169 views

Average time before a malware gets detected in the world

I am actually working on a scolar presentation about Careto malware. I was really impressed by the time it took to discover it (at least 6 years, according to some compilation stamps), so to improve ...
0
votes
3answers
731 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 ...
4
votes
2answers
536 views

How can NSA implants and backdoors be detected? [closed]

It has been a while now since the Snowden revelations of various NSA malware and backdoors. For instance: March 12, 2014: NSA has developed implants to take over targeted computers’ microphones ...
9
votes
5answers
1k views

Ads appearing in our application when they should not be

I received a strange issue reported by one of my web application users. Apparently they are getting "ads" within the browser window when using my application. I didn't add advertisements at all. It's ...
7
votes
3answers
769 views

How does a root kit work inside a virtual machine?

In my class, we are discussing virtual machine based root kits. I've research root kits, but could not find any information specifically talking about how root kits work inside of virtual machines ...
1
vote
1answer
230 views

Computer worms, propagation and exploiting vulnerabilities

I have been referred here to ask this question, so I am doing a research on computer worms, I have been through several sites and a few caught my attention, I have learnt that worms propagate through ...
2
votes
1answer
403 views

How to detect infected devices on your local network [closed]

Today I read about a researcher who bought a digital TV recorder and connected it to the internet - probably using port forwarding to enable attackers to connect to the recorder. After a while someone ...
0
votes
4answers
252 views

Isolate two hard drives with two operating systems

I did an extensive search and still couldn't find the answer I'm looking for, so I decided to post my question here to see if I could get some help. I would like to install a second hard drive on my ...
1
vote
2answers
330 views

Does Skype compromise my system (beyond the scope of calls/chats)?

First of all, please don't shout at me for wanting to use Skype. I know that it's evil and I fully expect all the calls and text chats going through it to be stored permanently in govt data centers, ...
1
vote
2answers
151 views

Shared hosting hacked. Should I report this to someone?

A malware file appeared on a friend's server as described in this question. It's a file called "images.php" that is designed to look like nothing important, whose sole function is to wait for an ...
10
votes
3answers
676 views

How to deobfuscate this PHP malware?

Two days ago a file called "images.php" appeared on a friend's server, which he noticed because it caused errors. The file contained the following. This code is of unknown origin and presumed to be ...
-2
votes
1answer
125 views

How malware spreads nowadays [closed]

How malware nowadays spreads? For example, I have a Windows computer infected with some kind of malware (someone ran malicious executable on the computer when nobody was looking at it) and it can ...
4
votes
1answer
335 views

Can I isolate a specific computer on my network?

My brother gets malware infections practically every week. Apparently he had a infection over the past 24 hours, I only noticed it because I checked the router logs and saw a massive amount of network ...
0
votes
1answer
419 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 ...
1
vote
1answer
43 views

Are there vulnerabilities in display connections? [duplicate]

I have been in the market for a DisplayPort KVM. Most of these products come from small companies I have never heard of and possibly do not trust. I understand the risk of plugging in USB to any ...
0
votes
1answer
246 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 ...
-3
votes
2answers
120 views

What makes iOS more secure than other phone OS [closed]

Let's start off with an example. Here in Canada, credit card companies cannot upgrade you credit card limit. You need to make a request, that will then get analyzed and then, depending on your status ...
5
votes
2answers
245 views

Do Javascript malware signatures exist?

Are there signatures for malicious JavaScript codes as they exist for other viruses/worms/trojans developed in other programming languages ? If so, are these javascript malware signatures defined ...
1
vote
2answers
154 views

Repercussions of hacked router?

I am staying in Thailand right now on a "long holiday" to do some work on my laptop. A few weeks I noticed that at the condo where I am staying, sometimes I am redirected to ad sites. I researched it ...
1
vote
1answer
82 views

Why an attacker would use a trojan over a spyware?

I'm trying to figure out some possible attack scenarios for a project I'm conducting. I've read plenty of material about malware and, in particular, spyware and trojans. While it's hard to find unique ...
0
votes
2answers
104 views

Can malware cause firefox to send GET requests?

Is it possible for a site to host malware such that if a certain page is accessed, Firefox is made to send additional GET requests? I'm seeing traffic for attacks coming from me that I haven't done. ...
-1
votes
2answers
185 views

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 ...
1
vote
2answers
349 views

Is a C plugin safe if I read it through an echoing parser before?

I wanted to use sharable plugins for an application. However, the plugins were extremely time critical, so I wanted to distribute them as C libraries. Now, these are not guaranteed to be safe (the ...
2
votes
1answer
59 views

After restoring from a (valid) full disk backup can malware still persit?

In the comments to this question it is mentioned that even after a backup recovery malware still can persist. Do I understand that correctly? How is this possible? If Acronis True Image is used to ...
2
votes
3answers
140 views

Simple methods of preventing infection from external drives

What are some simple methods of preventing my computer from being infected by USB drives and other storage devices? I'm not asking for any bullet-proof methods, just something that can prevent ...
1
vote
1answer
263 views

How does CryptoDefense ransomware encrypt large data with a (relatively) small RSA key?

I recently encountered some news about the recently new Ransomware called CryptoDefense: it uses RSA 2048 to encrypt your valuables and offers the private key for a price. (It's already been solved ...
1
vote
0answers
67 views

Enabling virutalization, addressing the bluepill risk?

Background to this question is the ambivalence I assume with virtualization. Also to start directly with clarity: the term bluepill should here be a placeholder to denote "malware that uses ...
8
votes
3answers
199 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. ...
1
vote
2answers
87 views

Verifying integrity of text files

While I was away from my home I needed to do some work on a java program so I booted a friends netbook(windows 8) I had with me and finished most of the works I needed to do there. Tho when I returned ...
3
votes
2answers
190 views

Can viewing an email message in Outlook 2013 install malware on my computer?

I routinely get spam messages which state "Your account for [Insert game here] has been flagged. If you don't click this link/send us this info/go to this website in the next 72 hours, your account ...
3
votes
1answer
124 views

Drive-by downloads

I am aware of the problem of drive-by downloads, which happens when one visits a malicious site and a malware is downloaded to the PC. I want to ask that when such a program is downloaded, how does it ...
-1
votes
1answer
88 views

Unusual image may contain hidden data

I have received an image from a friend. This is the image. is there any way to detect any anomalies in this image. Thanks
1
vote
1answer
226 views

How can this be possible? (malware autoinstall on chrome)

I have a website, using an ads service (qadabra). Yesterday some users reported me that the ads service sometimes redirects to a site containing malware. the url is this: PLEASE DON'T OPEN IT, IT ...
1
vote
1answer
418 views

What does a Remote Desktop Connection risk for both computers?

I recently had a malware issue called "mysearchdial" that installed itself into my home computer's browser because someone didn't pay attention to what they were installing. I RDP'd into my work ...
-1
votes
3answers
377 views

Are virtual keyboards themselves secure? [closed]

It is advised to use on-screen keyboards on, for example, banking operations (especially if the site doesn't have a virtual keyboard) to beat keyloggers (at least minimize the risk). There is some ...
0
votes
1answer
289 views

Potential problem in public Maven repository

Problem This morning I found that, what I thought was one of our proprietary artifacts, had been published to a public repository: http://repo.grails.org/grails/simple/codehaus-cache/com/ If you ...
0
votes
2answers
136 views

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?
2
votes
2answers
252 views

How big is the threat of Desktop Linux malware? [closed]

Most malware one hears about on the news seems to fit into one of two categories: Windows viruses, trojans, rootkits etc. Linux server "worms", backdoors and similar How big is the threat of ...
11
votes
3answers
432 views

Retrieve files from possibly infected USB

I work in a lab environment, and save data to a shared PC. This PC is not networked, and so the only way to get the data from that PC to my own, is through USB. The lab director has mentioned that the ...
3
votes
3answers
930 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?
0
votes
3answers
192 views

What are the pros and cons of using live CDs vs VMs for malware analysis?

I'm planning on doing some malware research for a research project, and I was wondering what would be a better option for keeping my system safe from viruses accidentally infecting it. I'm only ...
0
votes
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 ...
1
vote
1answer
73 views

Malware threats from other mounted hard drives

I am going to install Linux on an external hard drive and my internal hard drive is currently running Windows. When I boot to my Linux and I still have my windows hard drive mounted is it possible for ...
-2
votes
1answer
90 views

does any botnet/malware traffic use ssh or anything else other than TCP/IP? [closed]

if i sniff all traffic leaving my router, if botnet traffic is present will it be IP traffic or does any malware use other protcols such as SSH, FTP, TFTP, etc?? do antivirus software programs ...
1
vote
1answer
98 views

Is winmail.dat a malware propagation vector?

Some of my coworkers use Microsoft Outlook (I believe) and have it configured in such a way that mail attachments are encapsulated in winmail.dat files. Apart from the general annoyance and lack of ...
3
votes
2answers
248 views

What patterns does a signature based anti-virus look for?

I'm working on a uni project where I will attempt to create a malware that uses some form of genetic algorithm to "evolve" itself out of being recognized by a signature based AV software. For this I ...
0
votes
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. ...
0
votes
1answer
66 views

How to prevent malware to know when removable devices are plugged in

The question is clear, I'm a programmer and wrote a software to disinfect the USB devices when they got the malware which hides the files and creates a shortcut of the virus . Using this soft we can ...
1
vote
3answers
217 views

Malware stole an executable file on my computer? Seems unlikely

If you don't want to read all of the details, skip to the bottom; I'll make a summary. I created a computer program as a proof of concept (I threw it together in 12 hours, so I wrote it in Visual ...
1
vote
3answers
145 views

Where do suspect requests from logged-in users to my website come from?

I have an ASP.Net MVC 4 web application that is hosted on a Windows 2008 server. The application is secured by a custom ASP.Net membership provider. Only users who are granted permission by the admin ...