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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1
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1answer
110 views

Efficacy of self-made ransomware protection

I was recently wondering about how to circumvent malware such as the infamous Cryptolocker a while back and was wondering about the efficacy of having a set of files with known content in a known ...
0
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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?
-1
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3answers
213 views

What are the differences in Linux and Windows security that cause Windows to get so many more viruses? [closed]

I am trying to gain a more detailed understanding of specific features of the Windows and Linux security models that makes Windows so much more prone to infection by viruses than Linux. As an example ...
11
votes
2answers
463 views

Skype called someone and connected to them with no action on my part. What do I do?

This happened to me today, September 12, at about 6pm. Any ideas about what happened, what's going on, and what I should do? I was at home alone with my 2 year old -- I was feeding her dinner. All of ...
0
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2answers
238 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 ...
0
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1answer
152 views

How to execute an exploit without user interaction?

Is there an existing exploit, virus or malware that doesn't need any user interaction? In metasploit for example. No link to clicked, no pdf to open , no vba or exe to execute by the victim.
0
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0answers
70 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 ...
1
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1answer
86 views

Is it possible to compromise Bing to redirect user to a malware?

I just got a new laptop and the first thing I wanted was to install Chrome. I opened IE and searched for "google chrome" in Bing. The first result was an ad with the link pointing to ...
0
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3answers
431 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 ...
0
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1answer
83 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 ...
3
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0answers
70 views

Are malware detection rulesets publicly discoverable?

I am uncertain about how public malware detection rulesets are? By a "ruleset" I mean the rules, usually written in Yara, that malware detection engines use to determine whether a file or memory ...
-2
votes
1answer
104 views

Interesting security demos for beginners [closed]

I am thinking about a creating short security demo to get people interested in the security topic. I've had a couple of ideas just want to see if anyone has anything else interesting. Edit: I was ...
0
votes
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 ...
3
votes
2answers
98 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 ...
0
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1answer
50 views

Virtual Penetration Test Lab - Figuring Out Its Market Size

Is there any reliable data available based on which the Global Market Size of Virtual Pen Testing Labs ( or Cyber Ranges ) can be ascertained ? If NOT , is it possible to calculate it ?
-1
votes
1answer
179 views

Hacking Gmail with 92 Percent Success - Does popular GUI framework designs reveal UI state change ?

The media has been claiming for the last 2 days that GMail can be hacked . http://www.cnet.com/news/researchers-find-way-to-hack-gmail-with-92-percent-success-rate/ They have based their ...
0
votes
1answer
71 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 ...
1
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2answers
94 views

Attacker able to install screen capturing software in Windows 7 guest account

I am operating in a guest account of Windows 7. Could an attacker that got onto my PC through malware I installed, install a video program that records everything I do and send the result back to his ...
1
vote
1answer
64 views

Is this behavior the result of malware?

I have setup a new set of servers to test a software in Amazon EC2, and had set up my application. I've given it public access and a DNS entry, so its easily reachable by those that need to test it ...
4
votes
5answers
1k views

Is it possible for a phone to be transmitting even while turned off and the battery removed?

Is it technically or theoretically possible for any part of a mobile phone's circuitry to be still on and transmitting even while turned off and the battery has been removed? If so, how? I am ...
2
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1answer
139 views

I need help identifying the cause of weird outbound traffic from my network

I have some weird traffic heading outbound from my network. It is being blocked by the firewall from exiting and I'm not sure what the source is. I've looked at the machine and don't see anything ...
2
votes
5answers
427 views

How safe/secure are banking applications on Android phones?

I have a mobile banking application installed on my phone which allows me to pay for things, transfer money using my phone from my account to another etc. How safe or unsafe is this application? For ...
11
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2answers
2k views

Where do I find JavaScript malware?

I am looking for JavaScript malware. I need it just for local tests on my computer for a project I am working on. Are there any Internet resources where I could find this?
0
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2answers
7k views

Sophos virus protection continuously blocking codegv.ru

While using google chrome I keep getting a pop-up from Sophos saying "High Risk Website Blocked - Access has been blocked to "codegv.ru" It happens every time I perform any action in google chrome. ...
1
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4answers
147 views

If malware was detected in browser local storage does computer need to be nuked from orbit

I haven't used Windows partition since mid-June and I booted the system once again just a few days ago. My first action was as usual update all programs marked to be updated (including Windows ...
0
votes
2answers
480 views

Does Reinstalling windows ensures removal of all malwares/spywares/virus/rootkits etc? [duplicate]

If I reinstall windows, will it ensure that all types of malwares/spywares/rootkits etc are removed from my laptop ?
1
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2answers
76 views

Is it safe to create live usb on an infected system?

I am using Ubuntu 13.10. If my laptop is infected with malware, can I get rid of it by creating a live usb on it and using that live usb format and re-install the ubuntu ? I mean is it possible that ...
1
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1answer
49 views

The threat of video metadata

There are various old questions on stack exchange which say that malicious code in file metadata can potentially be executed when the file is opened (here, here, and here for example). They are all ...
-2
votes
1answer
89 views

Unrecognizable Icon. Virus?

Sorry I'm not sure this would be the best place but I've noticed this icon recently. I'm not sure what it is and it only pops up sometimes. When it does, I can't click it or do anything to it and it ...
2
votes
2answers
313 views

Antivirus settings: delete or quarantine the file?

I understand that most antiviruses by default quarantine infected files. I have changed it to remove all infected files immediately. Would this cause more harm than good?
30
votes
6answers
4k views

Can malware be dangerous even when quarantined?

I am reading a book on network security and when talking about user confusion it writes: "It is not uncommon for a user to be asked security questions such as Is it safe to quarantine this ...
3
votes
2answers
229 views

Can the USB standard be altered to prevent the “firmware attack”? [duplicate]

Wired, and others are reporting on a research paper by Karsten Nohl and Jakob Lell. The paper apparently shows how any USB device (not just memory sticks) can be infected with malware at the firmware ...
-1
votes
1answer
68 views

Problem in downloading and browsing [closed]

My downloads stop completing and some page in the browser appearing blank or with text only without css or js and so on, some program after complete return me a message when trying to start ...
1
vote
3answers
935 views

Is JavaScript malware as dangerous as native viruses? [closed]

Can JavaScript malware be as dangerous and damaging as more traditional viruses that are programmed mostly in native APIs?
4
votes
2answers
2k views

Could a malicious JS file pointed on URL/URI attack the browser/computer?

I found some website blacklisted on Google. I mean when you try to visit them, you get something like shown on this picture: After a small search, I found that some of them have a malicious ...
0
votes
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 ...
1
vote
3answers
1k views

Can a PDF file contain a virus?

Could a PDF file contain any type of malwares ?
1
vote
2answers
111 views

Do multiplatform viruses exist? [closed]

Is there any known virus that targets the main operating systems: Windows, Linux and Mac OS X?
2
votes
1answer
42 views

When does it make sense to whitelist some subdomains but not others for a given domain?

Little Snitch has been useful to get a better handle on all the connections my computer tries to make. It's main dialog to allow or deny connections allows customizing (e.g. require specific port, or ...
0
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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 ...
0
votes
1answer
168 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 ...
25
votes
6answers
3k views

How can normal files hide a virus?

How can normal files supported in the Windows operating system hide a virus? Sometimes opening a .txt , .jpg or .docx files leads to running a virus. How is this possible?
0
votes
3answers
109 views

Has personal computing security gotten better or worse in recent years? [closed]

I have a lot of experience with software as a developer, and am trying to move from newbie to more informed about present-day security. Everything I uncover makes me feel that personal computers have ...
0
votes
3answers
95 views

is it possible to upload infected pictures to a website?

I have a small website on which users can upload several types of files: images, zip files ... (except .exe files). Suppose a user uploads via the front end interface of my website a picture which is ...
1
vote
3answers
665 views

How to tell if my laptop is being spied on

I've been trying to determine if there is malware on my OS X 10.9.3 Mac, that is could be doing keylogging or other forms of non-destructive intrusion. Given the (not technically based) suspicion I ...
1
vote
2answers
124 views

Identifying suspicious encrypted traffic [duplicate]

Firstly, I welcome a better title for this question. I admit I'm a security novice. I'm trying to determine whether I have malware and what that malware may be doing. Using Wireshark, I see several ...
2
votes
3answers
357 views

Is there any way to block LD_PRELOAD and LD_LIBRARY_PATH on Linux?

Preferably with a vanilla Linux kernel i.e. not using SELinux or GrSecurity? Lately there has been a case of in-the-wild UNIX server malware: ...
4
votes
1answer
98 views

How does malware hooks ASEPs?

What are the operations made by malware to hook the auto start extensibility points in order to be able to run at the startup of the computer that runs Windows operation system ?
1
vote
1answer
76 views

Live Boot Devices

Found this article on using Live Boot Devices to do sensitive tasks such as online banking. While the article discusses the benefits of avoiding a possibly compromised host OS, it doesn't mention ...
4
votes
1answer
150 views

Why run ondemand scanners in failsafe mode when the virus could have encrypted itself?

The internet is full of guides of how to remove malware on already infected computers. Normally, step 1 is to enter failsafe mode, so that the virus can't interfere with the anti-virus program that ...