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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I'm being used as a zombie pc. How do I stop them [duplicate]

After I've notices some strange constant network activity, that kept being there after stopping all my torrents, xampp and browsers, I took a look at htop as root and found this: Which is run from ...
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3answers
275 views

Text changing virus

Can malware change words that I have typed and then saved in the computer'? If so, how likely is this?
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3answers
2k views

What is “download-new.com”?

This strange site came up as the second result in a google search for itunes. http://download-new.com/apple-itunes/ (Although the url in the result read itunes.download-new.com.) Embarrassingly, I ...
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0answers
46 views

How to remove rootkits and malware? [duplicate]

I have downloaded and ran the programme Rootkit Hunter and the results are worrying. I don't know much about malware other than a malicious individual has persistently been installing it onto my ...
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2answers
1k views

How can a malicious URL affect a computer?

Many security experts advise not to click on malicious URLs. How can clicking a URL affect a computer's security? If a malicious file was downloaded and executed, then a computer's security may be ...
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1answer
99 views

How deeply is Adobe inside your Windows environment? [closed]

Well basically as an experienced user I am really afraid on the way that Adobe deeply resides into all my Windows based workstations. Basically in every machine that has some Adobe solution when we ...
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1answer
141 views

Scan Source Code for Potential Viruses

If you are sent a program written by someone so that you have the complete source code, how would you go about scanning the source code for any potential viruses/malware? Note: While bugs and ...
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1answer
229 views

Do you recognise this suspicious folder: Malicious or Benign [closed]

Does anyone recognise this suspicious folder that sits on my C drive? The folder sits on my C drive at C:\cacde6d0fd849a939328ab\ The name obviously looks like a hash/encryption/or junk text. The ...
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1answer
205 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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1answer
98 views

Tagged website malware

A common occurance I've found when doing forensics on compromised websites is a pattern like this: <span>Clean code here</span> <!--0c0a22--> ... malware code here ... ...
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1answer
40 views

OS reinstallation security contribution

For an average user (doing on-line payments, etc.), would it be useful to periodically conduct a OS re-installation of his computer to improve security? How often would that be and how much extra ...
3
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1answer
193 views

Should I trust and play every embedded video on Facebook?

Regarding to trusted sites like YouTube, should I trust other videos when embedded to Facebook, usually, when user shares a link a thumbnail image will be created and previewed, then, we need only to ...
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1answer
243 views

How to prevent malware infection and file accessibility through a wireless router? [duplicate]

The answer suggested in the 'duplicate' is about a different issue. But since my original wording of the question seems to have not been clear - here's a second attempt: Is there any danger of any of ...
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3answers
249 views

Should I trust URL based on file extension like this: http://example.com/image.jpg

I created a slideshow and mentioned that user must not trust URL based on file extension, however, I got some claims against that, because URL's like this should be safe: ...
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2answers
606 views

Is this a valid Windows update page

In my chrome browser if I google for Windows Update the first hit is windowsupdate.microsoft.com/‎ When I click on it I am redirected to ...
2
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3answers
309 views

How could an iPhone be transmitting abnormal loads of data without apparently running anything?

My iPhone has sent/received 900MB in 15 days from "com.busuu.japanese.a" I got this information from Onavo, which 'compresses' my data. I have never heard of Busuu until today. It is a language ...
4
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1answer
157 views

Securing a Site: Diversity over Simplicity?

This question was derived from my off-topic questioning here: Does Centralisation Decrease the Probability but Increase the Damage of Exploits? Like before, I suspect this may be overly abstract as a ...
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1answer
214 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 ...
3
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1answer
318 views

Why does broad based malware use XOR obfuscation?

As per title... The malware can easily be de-obfuscated if it was obfuscated using common and known XOR techniques. Why don't malware authors use any other method that make it much harder to ...
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1answer
96 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 ...
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3answers
414 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 ...
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1answer
531 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 ...
3
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1answer
88 views

Recovering from malware in the registry

I'm an intern who writes malware samples to later be tested. A rather basic piece I wrote in C++ kills explorer.exe, taskmgr.exe and repeats this every second. I used a bit of code to add my ...
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1answer
871 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 ...
2
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1answer
163 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 ...
15
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3answers
633 views

Are official browser add-ons really safe?

Almost any browser addon/extension that I install on my Chrome or Firefox (be it Firebug, RESTClient, ...) warns me, saying: It [the add-on] can: Access your data on all website Access ...
2
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1answer
684 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, ...
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2answers
6k 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 ...
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3answers
1k views

Are there faux/fake malicious websites to test web reputation services similar to EICAR?

Antivirus writers have agreed for their software to recognize a standard "fake" virus file - the EICAR file, to let users check, that the software is up and running. Are there any equivalent test ...
2
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1answer
314 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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2answers
226 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 ...
2
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3answers
416 views

does switching to linux remove existing computer virus

if you change from a malware/spyware infected windows setup to a linux setup will infections migrate to linux if they were on the computer? (when you are hacked/infected is it the op system that is ...
13
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2answers
10k views

Is it possible to make a phone call appear to come from another phone, even to the network provider?

Quick Question Is it possible that I could call a mobile number, but have the call forwarded through another number active on a different phone that someone else has? I have had unlimited access to ...
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2answers
152 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 ...
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2answers
303 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? ...
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3answers
3k views

Do I really need an Anti-Virus software if I'm careful about where I browse?

A friend told to me the following: I don't use Anti-Virus software at all, I am just careful about where I go and what I click on. I've also heard this from other people as I've repaired their ...
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2answers
2k views

Does Chrome OS Allow Executable Files?

My company has some real security issues and I am wondering if using Chrome OS can be some solution to my problem. Typical Windows computers seems all to vulnerable to attacks from malicious images ...
4
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1answer
395 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
145 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 ...
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1answer
130 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?
8
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3answers
536 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 ...
15
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5answers
1k views

Becoming a malware analyst?

So, I'm currently 16 and am considering a career in IT when I finish school. The thing that has intrigued me the most while growing up is malware. I've come across it so often and have often had to ...
20
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6answers
3k views

Malicious Links that Respond to Browsers but not curl or wget

There are some emails with links to people's cracked websites with a malware download Like this kind of email: fake DHL pack station email ... the links often take the form of: http:// ...
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2answers
604 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 ...
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2answers
244 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 ...
5
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6answers
579 views

Safe to connect to external drive?

A customer provided an external drive (USB 2.0 and Firewire 800 connections), and wants me to copy files onto the drive. The drive is not new. I have no particular reason to suspect the customer ...
0
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2answers
1k 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 ...
3
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2answers
511 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 ...
3
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5answers
1k views

How can I find the source of traffic allegedly originating from my IP address?

I have a problem that has been going on for at least 6 weeks. I have Time Warner for my Internet provider and some websites hosted at GoDaddy. From what GoDaddy tells me the reason I can not view ...
0
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2answers
162 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 ...