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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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 ...
6
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1answer
541 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 ...
6
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4answers
616 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 ...
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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?
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2answers
6k views

Can Keyloggers get passwords from Windows 7/8 Logon Screen?

If yes, do you know some examples of Keyloggers capable of perform this? EDIT: I mean when logon in the windows right after power on the PC and/or when locked with Win+L.
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2answers
640 views

Does the Mebromi BIOS flashing rootkit mean APTs for personal computers are here?

With the recent discovery of the Mebromi BIOS firmware virus/MBR rootkit http://www.theregister.co.uk/2011/09/14/bios_rootkit_discovered/ in the wild are we now actually in the age of Advanced ...
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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 ...
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3answers
212 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 ...
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3answers
693 views

How could malware like Stuxnet be detected?

Stuxnet and others in this list of state-of-the-art Internet worms had certain features that they were very stealthy in leaking out the information they harvested. Thus it managed to go under the ...
6
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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 ...
6
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3answers
512 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 ...
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3answers
683 views

What methodologies are useful when reverse-engineering malware / shellcode?

Whilst I'm familiar with reverse engineering techniques from a technical standpoint, I've never found a good methodology for approaching and dissecting malware / shellcode. I've found hundreds of ...
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2answers
245 views

How does the predator network prevent outside control by an attacker?

I read several articles saying some of the command and control fleet for the US robotic attack planes may have been infected with a virus. Does this command and control system communicate with the ...
6
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2answers
232 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 ...
6
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2answers
383 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)? ...
6
votes
3answers
799 views

Possible to detect packed executable?

A packer is a way of obfuscating an executable program, i.e., transforming so the result is still executable and has the same effect when run, but looks different (so it won't be detected by static ...
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2answers
347 views

How a malware executes remote payload

Let's assume a malware was installed (on a UNIX-based platform) with some social engineering tricks. The original installed code itself may be benign, but the only malicious activity is that the ...
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3answers
3k 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 ...
6
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2answers
218 views

Process authentication for Linux

Is there any possibility to authenticate a running process in Linux to be sure that this is the original/right one? I know that an Linux operating system is only that secure like the way you use it. ...
6
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2answers
231 views

Example of malware in the wild?

I'd like to test an application that detects malware on my network. In order to do that, I have a Windows VM set up that I'd like to infect with malware. But for the life of me, I can't seem to find ...
6
votes
4answers
722 views

Has my network/computer been breached?

I'm not sure if this is the right site to ask, so I apologise if it isn't, but here goes. A while ago I started noticing some odd behaviour. My Gmail account was compromised, it seemed, and I had to ...
5
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6answers
5k 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 ...
5
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7answers
3k views

How to safely view a malicious PDF?

I have a PDF with important information that may contain malware. What would be the best way to view it?
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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 ...
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4answers
837 views

Can malware hide their network activity from Resource Monitor (perfmon)?

Is it possible for malware to hide their network activity from tools like the Resource Monitor that ships with windows? How much effort is it for a malware developer to implement such functionality? ...
5
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3answers
719 views

Phishing virus found on server

I recently had a call from BELL concerning a virus on our Linux ( Debian ) Server. Apparently Google emailed our client about an Italian Database found on our server that was doing phishing. They ...
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2answers
2k views

How would I go about rebuilding the IAT of a packed executable?

When executables are packed with a tool such as UPX, the real code and data sections are encrypted or obfuscated, then loaded into memory using an injected decrypter stub. This makes static analysis ...
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1answer
435 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?
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3answers
4k 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 ...
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7answers
20k views

Scanning for files than have been encrypted by CryptoLocker

I am just asking in case someone has already done the analysis. A customer has a large set of network drives that were mapped to a CryptoLocker infected machine. The infection itself has been treated. ...
5
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2answers
241 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 ...
5
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7answers
393 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 ...
5
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2answers
273 views

Exactly how secure is VM browsing?

I generally do all of my web browsing in a VM. I have one "safe" VM running Ubuntu that has guest services installed. I generally only go to sites I deem are trustworthy here. I also have an "unsafe" ...
5
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2answers
238 views

Do Javascript malware signatures exist?

Are there signatures for malicious JavaScript codes as they exist for other viruses/worms/trojans developed in other programming languages ? If so, are these javascript malware signatures defined ...
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3answers
3k 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 ...
5
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7answers
931 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 ...
5
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1answer
738 views

When and Why does Chrome display malware detection warning?

Google Chrome contains malware detection feature. When user visits some site, browser may display warning that site contains malware. What does it mean that site contains malware? Does it mean that ...
5
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2answers
561 views

How to detect infected machines on my wifi?

I currently live in a building with around 40-50 other tenants (mostly students) and we all share one connection to the Internet using one of 3 wifi routers that are spread throughout the building. ...
5
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2answers
162 views

Average time before a malware gets detected in the world

I am actually working on a scolar presentation about Careto malware. I was really impressed by the time it took to discover it (at least 6 years, according to some compilation stamps), so to improve ...
5
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1answer
131 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 ...
5
votes
1answer
319 views

Cufon or Prototype as an attack vector for Blackhole exploit kit?

I've been asked to look into the security of a client site that's apparently throwing antiviral messages when visited. Specifics: It's being detected as a Blackhole exploit kit inside of a Cufon ...
4
votes
2answers
1k views

Could a malicious JS file pointed on URL/URI attack the browser/computer?

I found some website blacklisted on Google. I mean when you try to visit them, you get something like shown on this picture: After a small search, I found that some of them have a malicious ...
4
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5answers
389 views

Why wasn't the flame malware flagged by firewalls?

Why didn't any firewalls catch the flame malware siphoning out all of that data? I thought there was firewall software that looks for "suspicious" activity?
4
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5answers
1k views

Is it possible for a phone to be transmitting even while turned off and the battery removed?

Is it technically or theoretically possible for any part of a mobile phone's circuitry to be still on and transmitting even while turned off and the battery has been removed? If so, how? I am ...
4
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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 ...
4
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4answers
5k views

How can I detect backdoors?

I have a machine running Mac OS X and I suspect there may be a backdoor installed. I know that I could take it to a professional security firm for analysis, or nuke it from orbit, but I'm interested ...
4
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4answers
756 views

Site constantly getting infected

I am the webmaster of some websites running Typo3, 2 of which are getting infected constantly. These 2 sites are being owned by the same client. Something happens on those 2 sites that causes ...
4
votes
4answers
392 views

Malware that uses http as a covert channel

I'm working on a http traffic analyzer and I need a collection of malware, which uses http as a way to get commands and respond, to analyze their network behaviour. Is there any database of malware, ...
4
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2answers
512 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 ...
4
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2answers
3k views

Need advice on linux server being hacked

I'm currently trying to find out how one of our centos servers was compromised. We were experiencing malware on our sites. After searching I finally found the malware injecting into the sites. As it ...