A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes.

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18
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7answers
1k views

Why do malware creators use such clever technologies for such silly purposes?

Some days ago I got infected by a malware, probably something new and very clever, as it went in unstopped and no scanning tool was able to detect it afterwards (see this question). It was a ...
8
votes
6answers
832 views

What is preventing the widespread common use of MAC-type systems?

Overall question what is preventing the uptake of MAC systems such as SELinux/AppArmor in corporate and desktop computing environments? Why don't you think it isn't already widespread? I do not ...
12
votes
5answers
1k views

Detection and analysis of unknown malware

Suppose I have a binary which is suspicious. How can I determine whether it is malicious, and if it is, reverse-engineer how it works and what it does? For example, maybe using static analysis? Are ...
35
votes
2answers
12k views

What malicious things can happen when clicking on links in email?

I've received a spam from one of my friends (well I'm sure he didn't send it). so there's this link, and i'd thought what exactly would be the implications of clicking the link (i've not clicked it ...
2
votes
2answers
297 views

What steps can I take to identify what type of compromise of my computer has occured

I got involved in a strange scenario today :-) . Some 'UDPAgent.exe' file/worm/virus was trying to access my collegue's system and the antivirum program was showing that this particular thing is ...
1
vote
2answers
502 views

Where can I find some “real time” discussion forums for security issues? [closed]

The place where I work was hit by the new Qakbot variant (3rd generation) a couple of days ago and it has been brutal. Unfortunately a lot of the documentation out there is from the 1st iteration of ...
2
votes
1answer
526 views

Can anyone give me more info on this sketchy url I recently visited, is it an attack site?

My girlfriend was browsing images on google when suddenly her browser redirected to this url: defender-iies.co.cc/scan3/167 The site seemed to be posing as an anti virus, saying your computer is at ...
8
votes
4answers
983 views

Is disabling auto-run enough to protect against malicious code from removable media automatically infecting a machine?

If I block auto-run on a windows machine, is this enough to protect it from malicious code (assuming I don't run any files manually)? Or are there known vulnerabilities that may cause infection?
8
votes
6answers
15k views

How can I prevent viruses/malware from infecting my flash drive?

I've a pen drive that I carry to the college lab . It seems all the systems in lab is infected. I need to be able to write to the drive, so I can't simply write protect it. Everytime I insert a ...
5
votes
3answers
329 views

Some good resources on viruses/worms?

I am searching good info on sophisticated viruses/worms. One example would be STUXNET and the very good analysis made by folks from Symantec. Any ideas?
6
votes
3answers
659 views

Malware nomenclature

If there a generally agreed upon naming convention for types of malware/virus? For example, are there agreed upon terms for virus, trojan, worm and the like? If one exists could someone explain it or ...
17
votes
4answers
4k views

What is the corrupted image vulnerability? How does it work?

What exactly happens when someone injects malicious binary code into an image file (on Windows)? How is that done?
20
votes
2answers
4k views

How does a crypter for bypassing antivirus detection work?

I am talking about crypters used to encrypt files like viruses and keyloggers for the sole purpose of bypassing antivirus detection. How do they work?
7
votes
2answers
992 views

Recently had a virus, can I use backed up files on clean system?

I had to reinstall my OS (windows) recently due to a virus. I backed up my source files onto a flash drive. How can I get to those files without problems? I know flash drives can have nasty things in ...