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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7k views

Can i get 100% protection from virus by using Deep Freeze?

I have recently installed an application called 'Deep Freeze' that works by "freezing" the state of an operating system and working off delta disks. Rebooting deletes the deltas and reverts back to ...
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1answer
124 views

Infection risk downloading one’s own file from Gmail

Say you boot into Linux from a brand new Live USB. The USB is write protected. The memory stick has never been exposed to the Web in its life. You surf all day on Firefox building your library of ...
2
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3answers
1k views

Malware not showing up in virus scan

I have some malware on my computer at work that I'm having a hard time getting rid of. I'm only interning there over the summer, so I'm guessing that it was downloaded by the previous user because I ...
0
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1answer
1k views

Why aren't sophisticated Malware written with .NET [closed]

I've been trying to research malware techniques lately, as malware analysis intrigues me. I've got a pretty heavy background in .NET, and based on my 7+ years in .NET, I feel that I could write a ...
1
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1answer
3k views

How to check if your computer has a backdoor installed on it? [closed]

Just some time ago I had this unusual popup from Malwarebytes Anti-Malware (MBAM): I did a quick Google of the IP address and found this thread where the OP is complaining of MBAM blocking ...
3
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1answer
347 views

Find malware in browser extensions

How can I check if an extension/addon consist of malware code? Is it easy to detect if it collects sensitive data (like spyware), logging keystrokes and so on? Can AV recognize malware extension as ...
0
votes
1answer
470 views

How securely use Firefox Add-on to prevent steal data?

Some videos on YouTube demonstrate how a Firefox extension can collect login information used to login to websites such as Facebook. After installing this tool/malware as Firefox Add-on, I observed ...
35
votes
2answers
12k views

How secure is the Windows 8 included Anti Virus known as Windows Defender?

How secure is the new Windows 8 anti virus known as Windows Defender? Does it have a protection against malware which uses UAC bypass/process injection/rootkits/process persistence/running the binary ...
2
votes
1answer
175 views

What anti-keylogging programs can you use when using a public PCs

Are there anti-keylogging programs that can keep you safe while you are using a public PC terminal? Do they exist and what are these? I like to know that I am safe when entering data on a public PC ...
2
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1answer
1k views

Windows PE file and Malwares

Trying to understand how and why any virus, malware, worm and code injections are successful after all in a Windows Portable Executable format. I was going through the PE structure documentation, ...
7
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3answers
5k views

Finding spam sending scripts?

What are the tips for finding email spam sending scripts? I ask because usually I hit a wall in shared hosting environments, so I ask this question as a way to get some insight from others. What I ...
14
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6answers
6k views

Finding a specific malware sample for malware analysis purposes

I wish to analyze the changes made by a specific virus. For example, Win32.Sality. Where can I get the sample of this, or other similar, malware for testing?
2
votes
1answer
567 views

How Browsers prevents Malware and Phishing attacks

I want to know how phishing and malware protection features are implemented in modern browsers like Chrome, Firefox, IE etc. Are these features heuristic based, or do browsers maintain a list of ...
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votes
2answers
476 views

What are the security risks of pirating video or music?

In the case of pirating multimedia, be it video or music, which problems may be caused by the video or music file itself? Could a video or an audio file be used to spread malware? I'm talking about ...
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votes
2answers
375 views

My Computer hacked?

I have Window 7 and believe it has been hacked. On two occasions, as I was reloading my operating system, I got a message that my computer had been counterfeited. I get the impression that my computer ...
0
votes
2answers
2k views

Stopping js malware injection on our Wordpress site

This had been added to our wordpress site, specifically in the footer.php. hxxp://pkktjuchlrv.peguards.cc/02b31ac5iq/get.js It is malware as defined by google, i belive it is tracking code. We have ...
-1
votes
2answers
181 views

my websites got infected with a malware i cannot get any info on [closed]

we have a server, on which we host about 30 sites. these are test sites for our customers. most of them are not even indexed by google. some run on php, some on nodejs, some on ruby. all of them that ...
1
vote
2answers
666 views

Does keylogger see CTR+C and CTRL+V? [duplicate]

E.g. if I copy something from the email from my hosting company (name, password etc.) and paste it to the ftp client or some online form in the browser, do the keylogger get this name or password? ...
9
votes
2answers
15k views

Advice on what to do after being hacked?

After running a system scan earlier today, I found that my computer had been infected by a trojan horse. My reason for running the scan was because Windows kept shutting down and then recovering. ...
4
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1answer
705 views

Malicious script analysis

Could somebody tell me what can this malicious code do? I see that in the beginning it turns off the error reporting and logging. Then something with get post method and files stuff. But I am not ...
3
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1answer
212 views

What is the security purpose behind the “enable editing” of MS Word?

Whenever I open MS Word documents from my email, they open in "Protected View" with edit options disabled by default. As per my understanding, the hyperlinks used in the main document would be linked ...
10
votes
2answers
399 views

How do you visit a link without risking your computer?

I got a link from: http //61.19.247./~naowit/dustin.html (removed the last digits so you don't accidentally click it! (they were 192)), which was masked as a youtube.com link via email. Now I'm not ...
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votes
1answer
191 views

Malware persistence past a drive wipe? [duplicate]

Are there any known instances of malware persisting past a drive wipe and reinstall, through modified bios, or firmware on one of the machine components?
9
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3answers
756 views

Reason for writing Self-Decrypting Virus

What is the rationale behind writing a self-decrypting virus? By this I mean a virus that has it's payload encrypted, decrypts at runtime and runs it. How does this protect the virus from antivirus ...
11
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2answers
2k views

What does this injected code do?

One of my sites has just been hacked as this code has been inserted into random(?) files and places within the files. Does anyone understand what it is trying to do? I would welcome anything that may ...
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2answers
2k views

Somehow unexpectedly my computer got infected with malware

So I consider myself a pretty conscious computer user. I run Windows 7 SP1 Pro 64bit and I update it. For surfing on the web I use Firefox 20.0.1 - I keep it updated. I also have NoScript and AdBlock ...
3
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2answers
887 views

Example of malware that spreads via USB? [closed]

I'm messing with Mandiant Redline on Windows Server 2012 in a VM and I wanted to download a sample virus that spreads via USB and modify it to attack Mandiant Redline - I've never written malware ...
0
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2answers
217 views

Filehosting - Malicious or not? [closed]

I see a lot of file hosting services like rapidshare, mediafire etc. But, I wonder if some of them are malicious or not. Rapidshare seems okay, but there are many (obscure) sites like the ones below ...
7
votes
3answers
289 views

How can I circumvent the lack of Java updates?

Just imagine you have a bunch of computers which need Java for some important software and you can't just switch to another vendor because all are using Java in this field of technology. If you start ...
0
votes
4answers
163 views
2
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1answer
1k views

how is BAT_VOBFUS (or similar) dangerous?

I was reading http://about-threats.trendmicro.com/malware.aspx?language=au&name=BAT_VOBFUS.SM earlier today after it turned up in a scan of a friends PC. I suppose I may be missing something vital ...
1
vote
6answers
8k views

Use PHP to check uploaded image file for malware?

I want my users to be able to upload a photo. Currently I am not checking the uploaded photo for problems of any kind, although I do limit the size to 32k. Is there any way for me to check uploaded ...
6
votes
4answers
737 views

How can Antivirus differentiate between a Trojan and a normal remote desktop application software?

RAT (Remote Access Tool, e.g. Sub7) are considered malicious by Antivirus software. How can it distinguish between such patches and a client application for commercial software like NetSupport ...
5
votes
1answer
154 views

Integrity check against package repository?

I have a Debian installed. When there are security updates, I review and install them as soon as possible and think about using automatic updates. From time to time I want to boot from a clean boot ...
4
votes
1answer
369 views

Exploited by newbie3viLc063s

My debian server got exploited by some scriptiekiddie who used Newbie3viLc063 http://pastebin.com/jma8JRG1 . Scriptkiddie uploaded logo_php.png to my server (My permissions sucked :s) and he did run ...
2
votes
2answers
151 views

Security Practices by Employees in a Corporate Environment

Consider the following situation : 1. Somehow my boss's system got infected with a malware ( He visited one of the Java exploits website). 2. He sends a PDF document containing the requirement ...
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votes
1answer
1k views

Can't figure out how to get rid of Snap.do [closed]

Every time I start Chrome there is the Snap.do page that seems to be set as the homepage no matter how many times I've changed the homepage settings on Chrome and I've removed Snap.do from extensions ...
2
votes
2answers
286 views

Is interpreted malware easier to detect than compiled malware?

Is compiled code more of a security risk than interpreted code? I'm under the impression that it is due to the fact that compiled code can hide malicious code from malware scans.
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votes
1answer
123 views

how malware is added to android app [closed]

I'm working on securing apps from malware attack in project. I just want to know how app is repackaged with malware. Because for reverse engg. we've apktool, dex2jar, Java decompiler. But how ...
-2
votes
1answer
112 views

Why isn't AV software configured to recognize installed program vulnerabilities?

Background (not necessary to read): I've used a few different major AV programs day-to-day over the years, and not one has ever informed me I was running code with known vulnerabilities. Not only ...
8
votes
1answer
331 views

Is there a public database of mutex names that are associated with malware?

I remember seeing something like this a while back, and it'd be incredibly useful for a project I'm working on. Essentially there was a list of mutex names, with a list of malware identifiers (e.g. ...
7
votes
6answers
2k views

Using linux to combat windows flash drive malware?

I just put an old flash drive which i used with a windows machine into my linux. I noticed many files, mostly exes which were never visible in windows (my windows does not hide hidden files and ...
-1
votes
2answers
196 views

Inspecting “tidynetwork” element in chrome to find its origin on my laptop [closed]

Anyone heard of the "TidyNetwork" virus/malware? Is it possible to determine the origin of the ad that is created on web pages by Tidy by inspecting the element using developer tools? I am using ...
7
votes
4answers
13k views

Security issues with allowing Dropbox installations on client PC's in our organisation

Does anyone know if there is any good reasons not to allow Dropbox installations on our client PC's? All the PC's have antivirus installed and running. I know it is an additional attack vector to ...
-1
votes
1answer
126 views

What websites do you visit for up to date Malware info? [closed]

I'm expanding my understanding of Malware a lot more, as it's currently 0! I know how it behaves and propagates most times, but I don't have a clue about the latest threats out there, what it ...
6
votes
2answers
410 views

Statistics on purposes of viruses/malware

Are there any resources that analyze the purpose or goal or the major viruses/malware out in the wild today? For example, what percentage are used to construct botnets (for DDoS or something else)? ...
7
votes
1answer
6k views

Looking for URL Blacklists of Malicious Websites [closed]

Is there a maintained list of URLs that contain malicious content. These URLs may be involved in Phishing, Scams, Viri, or other Malware. Please indicate in your answer if the list is freely ...
2
votes
2answers
975 views

New Undetected Virus?

I am having difficulty with my laptop right now. All of a sudden some partitions would contain a link to the previous contents of that partition. For example: Before: Partition T:\ ...
1
vote
4answers
3k views

Can JavaScript be used to install malware?

Looking at the Pwn2Own contest got me thinking: http://arstechnica.com/security/2013/03/pwn2own-carnage-continues-as-exploits-take-down-adobe-reader-flash/?comments=1 If you have all plugins turned ...
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2answers
3k views

Infected usb flash drive detection and cleaning

Want to know what all type of malware infections are their that hides themselves in a pendrive completly and infects machine silently.How to detect this type of malware as they cannot be seen. How to ...