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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2
votes
3answers
204 views

How to test for presense of antivirus?

I want to test that when user uploads file, then it goes through up-to-date and properly configured antivirus. I think that to test for it I need some malware that is likely to be detected (it doesn't ...
25
votes
5answers
1k views

Why would malware try to remove other malware?

Recently my php-based website got infected with malware (probably by a stolen ftp password). Basically, every 30 minutes a file frame_cleaner_php.php was uploaded, a HTTP-GET was done on it to execute ...
0
votes
1answer
106 views

Changing malware trends in VM

I recently came (Dunno, since when it was happening) to know that malwares can detect if they are running inside a VM like Vmware, and thus can change their behaviour. So my question is how the ...
-1
votes
2answers
124 views

What information is sought by malware researchers and those reverse engineering malware?

I have seen many write-ups on "malware research", what information are they trying to gather? Is it the origins of the malware? Or its behavior patterns? Or something else?
0
votes
1answer
281 views

What is the purpose of this malware code?

This is the code that I found on my client's website: ?><noindex><nofollow> <iframe src="htxp://atluscomdnsup23.ikwb.cxm/main.php?page=1f1214ff37a3022d" height="0" width="0" ...
-2
votes
1answer
143 views

Why did I get unresponsive script when I start my system and open web browser? [closed]

The script on opening web broswersays Warning: Unresponsive Script A script on this page may be busy,or it may have stopped responding.You can stop the script now,or you can continue to see if the ...
1
vote
0answers
158 views

Hidden Registry Strings - possible rootkit? [closed]

Win server 2003 R2 SP2 - no noticeable issues on the machine. When I create new strings in regedit, I hit refresh and they are gone! I try to re-add and it complains the string already exists. I am ...
5
votes
4answers
3k views

Browser hijacked - how to fix and prevent?

For the second time in a month, my work PC has been infected with malware that is hijacking my Google search results in Firefox. A search for the URL hijacked searches end up at turns up nothing on ...
0
votes
1answer
57 views

File directory deletion [closed]

So I heard this guy talkin about how one time he deleted someone's windows directory remotely. He claimed to have gotten into the system and deleted it such that the files are all still there, but the ...
6
votes
3answers
2k views

Any additional security with large blacklisting hosts file?

I run Windows with a pretty hefty c:/windows/system32/drivers/etc/hosts file obtained from http://winhelp2002.mvps.org/hosts.htm. I update this file as regularly as I remember and layer it with ...
0
votes
1answer
4k views

In Metasploit, how to use a custom exe as payload?

Question was once on a mailing list but wasn't answered. I want to use a custom exe as a payload in metasploit. For example when I use exploit/multi/browser/java_atomicreferencearray and want to ...
3
votes
2answers
186 views

What is multi-path malware?

I would like to know, in malware analysis, what is meant by "multi-path execution". I read this when I encounter the words in malware detection literature related to Control Flow Graph (CFG).
6
votes
3answers
3k views

What programming language is Stuxnet written in?

I was listening to a story about Stuxnet and was curious if anyone knew what language it was written in? Is the source code for Stuxnet available anywhere?
6
votes
1answer
546 views

Google showing spam links on my site

When I search the name of my site on Google, I see site links description which are spammy and not related to my site. Sometimes when I click I get redirect to phishing sites. But I have used many ...
3
votes
1answer
198 views

Recover file using Java RanNum Gen + Key

EDIT: Here is some more background. I am basically trying to reproduce this the method outlined here I have been able to hit everything up until the paragraph regarding the decrypting of the data file ...
8
votes
2answers
241 views

Where to find papers / information about spyware, tracking and cookie problems?

I am right now working on a problem and looking for some papers / information about spyware, tracking and cookie problems. I am no expert in that area, so I lack the knowledge where to find material ...
42
votes
5answers
3k views

Is it safe to install malware in a VM

Is it safe to install malware in virtual machines? I would like to investigate malware, but I don't want to infect my own computer. Can I install the malware in a VMWare VM, maybe even without ...
0
votes
3answers
608 views

DNS queries with hex string that is a SHA1 of a domain name! Is it a malware?

My computer does a lot of queries to strange domains such as: 56cea5c2b408989ab067adcb787d0f99209bbe07.mydomain.com The strange thing is that 56cea5c2b408989ab067adcb787d0f99209bbe07 is the SHA1 of ...
2
votes
2answers
1k views

How do I figure out how malware infected my server, and the subsequent sites on the server?

I recently was in charge of fixing our server at work, and cleaning the sites on it. We were infected with some malware that injected some code into some of our clients websites. Apparently, there was ...
5
votes
2answers
1k views

Why should I restrict the content type of files be uploaded to my site?

We are building an application where users can upload resumes in our system for our administrators to download. We are having a debate about restricting the content type of the files that can be ...
2
votes
1answer
148 views

Is there a tool that puts on a webserver some .html or .php files filled with popular malware like java drive-bys or other browser exploit payloads?

As mentioned in the title I'm looking for a tool that puts on a webserver some .html or .php files filled with popular malware like java drive-bys or other browser exploit payloads? Maybe there is ...
4
votes
2answers
518 views

Can one get infected through visiting a site with a PHP script on it and if yes, how?

I can imagine a clientside JavaScript that gets executed in a vulnerable browser to do some harm, but how can this be done with PHP? Since it's serverside it shouldn't have access to the visitor's ...
1
vote
2answers
580 views

Online virus scanning service with remote file submission?

I have some links that contain hacking tool and whatnot and I want to pass them to a virus scanning service. The thing is that I don't want to download them to my pc and upload them to their service, ...
9
votes
4answers
1k views

How would you analyze an image to find out if there are scripts embedded in it?

How would you analyze an image to find out if there are scripts or possible malware embedded in it? What tools / methods to use?
4
votes
3answers
131 views

Duqu and other reference material for security people

I would like to read more on Duqu and similar exploits when they appear. The problem is that most references from google are for laymen. Isn't there a reference website or... that reports on these ...
20
votes
4answers
34k views

How to inject executable, malicious code into PDF, JPEG, MP3, etc.?

I wanted to know if its generally possible to inject executable code into files like PDFs or JPEGs etc., or must there be some kind of security hole in the application? And if so, how would one do ...
2
votes
1answer
614 views

How do you remove the Security Sphere malware?

My boss' computer has become infected with something called "Security Sphere". When googling for information on how to remove it I get many pages that have been optimized for the term "Security Sphere ...
5
votes
1answer
456 views

Downloading suspect files into quarantine?

Are there any tools out there or methods available to download a suspect file for analysis without having to worry about being infected?
8
votes
3answers
2k views

Am I protected from USB autorun malware on Windows 7?

As far as I know, the autorun.inf problem (the possibility of automatically executing code when a USB stick is plugged in) was solved through Windows Updates for XP, and on 7 it is no longer possible ...
4
votes
1answer
139 views

The Economics and White Hat Nature of NSS ExploitHub

This question is about the economic model employed by NSS with their ExpoitHub exploit marketplace (site link) and whether it jives with the white hat claims of the company. The company has made news ...
2
votes
1answer
211 views

Detecting Key Loggers

We know that key loggers are the most effective and most annoying means of getting compromised over login id/password on the web or any application.... and your whole privacy is breached. Is there ...
7
votes
5answers
2k views

Browsing on a USB OS (Linux) safe from malware?

Let's say I have a computer. It's a personal computer - the one you'd typically find in homes. In this scenario, it's running Windows XP SP3, although it could run 7, Vista, etc. I have a USB drive ...
3
votes
2answers
182 views

Potentially unsafe files on second hard drive, how to get my files back?

I have my files on a second hard drive (disconnected for now). This drive was connected to a system infected with Virus:W32/Virut. I have formatted my main hard drive and reinstalled Windows XP. Now I ...
6
votes
2answers
234 views

Where can I find good resources on reversing web malware?

I am wondering where I can find a good site with resources on reversing web malware like javascript, flash, html5, and any other stuff that is designed to attack the clients. Does anyone have any ...
18
votes
4answers
574 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 ...
3
votes
1answer
187 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. ...
7
votes
2answers
315 views

Are there any independent organizations doing (publicly available) IT security research?

When looking up security risks on the net I find that all research being cited (if any is cited) always seems to come from the Anti-Malware companies. (just e.g., this article cites F-secure, AVG and ...
6
votes
3answers
159 views

Is it safe to attach a potentially malicious hard drive to a Solaris machine?

We bring in hard drives from un-trusted sources and would like to ensure that they will not contain any harmful content. What kind of risk is there for Solaris? As in, if Solaris is running, and I ...
12
votes
4answers
553 views

Unknown malware, how to report it and whom to report it to?

I'm a professional Windows system administrator, but I've been caught off-guard (or maybe some malware writer has been very clever) and I caught some unknown malware on my home computer (Windows 7 x64 ...
6
votes
4answers
3k views

What are the best ways to fake a web server

I was wondering if anyone had some insight into the best way to fake a web service response rather than setting up a web server. For instance, while doing dynamic analysis of malware it's useful to ...
4
votes
2answers
499 views

Has anyone else seen commands embedded in an ICMP echo request?

My IPS recently detected a type 8 ICMP packet (echo request) with an unusual payload. The echo request command a fragment of a command that looked like part of a route add. Here's a PCAP of the ICMP ...
3
votes
1answer
357 views

quizrace.com - Malware or just a game?

This quizrace.com quiz game is spreading like a virus all over internet forums and sites like 4cahn, minecraft etc (just google for it) - because it requires you to invite 3 friends to continue beyond ...
10
votes
1answer
2k views

Oligomorphism vs polymorphism vs metamorphism in malware

What is the difference between these three? As I understand it, polymorphic malware code actually is always the same, and it's just that it appears to be different (through encryption, data ...
6
votes
3answers
215 views

Spamming exploits without user detection

So I asked this question because I had thought that attackers would have a way to identify client software, because surely if 100 different exploits were spammed against a users machine they would ...
1
vote
1answer
505 views

Firefox Desktop Shortcut Being Renamed

On my Vista PC the Firefox shortcut icon is being randomly renamed. The name changes to some variation of a recently visited URL. This unwanted action has survived several version updates. Of course I ...
2
votes
1answer
157 views

Can a bad guy be judged for gaining access to sensitive information?

Assuming a hacker has sent to somebody a malware. It's a trojan (digitally signed by TeamViewer) which runs automatically when windows starts up and sends the login info to a web site using GET ...
5
votes
2answers
257 views

What applications are at risk from “Backwards Unicode Names” and what are the mitigations?

There is a vulnerability where some applications (such as explorer.exe) respond to Unicode characters that change the direction of the text (right-to-left vs left-to-right). This may be used to mask ...
6
votes
4answers
451 views

What abuses can an infected webpage do to me if I'm using Chrome and Flash is disabled

as a follow-up to this question Can you get virus just by visiting a website in chrome., I've read these pages: http://www.straightsectalk.com/?p=47 ...
5
votes
7answers
399 views

Malicious Websites

Just wanted to get everyone's opinion on this. In Information Security, you get various alerts about particular machines on your network going to sites and/or IPs that have been flagged as ...
2
votes
1answer
428 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 ...