Software which includes anti-spyware, anti-rootkit, anti-phishing, and other technologies that attempt to identify and/or block malicious programs.

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18
votes
4answers
2k views

Reverse engineering malware/viruses

Assuming a machine has malware, regardless of how it got there, one thing I would like to learn to do is to take the binary file and reverse engineer it to see what the malware is doing/has already ...
15
votes
8answers
1k views

Are signature based antivirus or antimalware effective?

Are signature based antivirus or antimalware solutions effective? Has the battle been lost against the ever increasing amount of malware, particularly rootkits, that are in the wild?
2
votes
4answers
386 views

What is nuke it from orbit? [duplicate]

I was reading this Windows 2003 Enterprise infected by Conficker; post-infection problems continue And they talk about nuking it from orbit (which apparently means wiping out the system and starting ...
19
votes
6answers
14k views

How to scan a PDF for malware?

Can anyone suggest an automated tool to scan a PDF file to determine whether it might contain malware or other "bad stuff"? Or, alternatively, assigns a risk level to the PDF? I would prefer a free ...
32
votes
8answers
4k views

Are two anti-virus better than one in protecting your computer?

A century old adage: The more the merrier. In general, does this adage hold true in regards to the number of anti-virus software you should have on your PC? Are there any limits before it actually ...
17
votes
4answers
533 views

Malware - are removal tools acceptable or is bare metal re-install the only safe option?

I see a number of companies offering "malware removal" services. I see some software that claims to be able to remove malware from an infected machine. Is using a removal software tool to 'clean' an ...
5
votes
3answers
2k views

How to detect Meterpreter and similar malware?

Is it possible to find Meterpreter or similar malware which doesn't modify the hard disk but is only stored in RAM? Most common anti-rootkit software like rkhunter and chkrootkit don't find it.
-2
votes
6answers
4k 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 ...
8
votes
3answers
987 views

Using MD5 for malware ids: collision attack risks?

It has been known since 2004 that the MD5 hash is vulnerable to collision attacks (update - not "preimage" attacks - my mistake....). Yet it still seems that people are using it to identify malware. ...
5
votes
6answers
2k views

How can I tell whether this computer is part of a botnet?

One of the computers that I manage (in the family, not business) has a weird set of files in its boot: bash.exe, curl.exe, uname.exe, sed.exe, rm.exe, tail.exe, cut.exe, awk.exe, cat.exe, chmod.exe, ...
3
votes
1answer
176 views

How can I assess the trust worthiness of a browser add-on?

Having learned a bit more about what add-ons/extensions can do in Firefox, I want to minimize my risk and use some safer mechanism to download videos (FLV in particular) for later viewing. ...
2
votes
3answers
3k views

Javascript Malware: How does it work, and how can it be mitigated?

I am wondering how malware gets served through Javascript. I've noticed a few illegitimate pop-ups while visiting some financial websites. I wonder how malware exploits work against the application ...