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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Hiding process from Task Manager [closed]

What technique is used to hide a process from Task Manager? I'm currently researching ways I can do this in C++. Is this process called hooking? ...
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Can a malware jump from a virtual to the physical machine? [duplicate]

Possible Duplicate: How secure are virtual machines really? False sense of security? I found out that malware authors check if the hard drive volume name, or network card MAC matches ...
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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 ...
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What happened with badBios [duplicate]

Maybe some of you remember that in November 2013 the respected researcher Dragos Ruiu claimed that he was infected by some super advanced virus that no one ever heard of before. Experts agreed that ...
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114 views

How does malware hooks ASEPs?

What are the operations made by malware to hook the auto start extensibility points in order to be able to run at the startup of the computer that runs Windows operation system ?
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What security problems does copying .Xauthority to another user present?

If I want to use a GUI application with another user (example: webbrowser), I can copy the .Xauthority file to that given user's home then I can "su - user" and start the GUI app. Question: but what ...
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find if 0-day flash bug was exploited (on a particular machine)

There have been several critical 0-day exploits in the past days/weeks in Flash alone. Nobody knows how long the 0-days have been exploited, and it is reasonable to expect that there are 0-days being ...
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108 views

Is there a way to check for “hollow” processes, or malware hidden within “normal” processes

I recently came across an article on the The Verge, which centers around the concept of commercial malware production and how it's used around the world. The article introduced me to a number of ...
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Malware known for stealing private ssh keys

The ssh private key file, stored under ~/.ssh/id_rsa in many *nix distros, is typically owned by the user, allowing any program invoked by that user to read the file, and perhaps upload it to a remote ...
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Would DLL hijacking work with load-time linking?

I was wondering if DLL hijacking would work with all types of linking or just run-time linking. I hear that malware uses it and wanted to know how it works
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457 views

How dangerous is a virus introduced to a malicious website in chrome?

I am using Google's Chrome browser under Linux (Ubuntu) 64 bit for web browsing. If I a virus uses for example a leak in the flash player, the virus will get the privileges of the user who started ...
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142 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 ...
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Does it matter which platform a file is scanned on for malware?

Different operating systems use different file types and file systems. Does it make a difference to a virus scan which system it is being run on and what type of malware it's looking for? I ask ...
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771 views

How can NSA implants and backdoors be detected? [closed]

It has been a while now since the Snowden revelations of various NSA malware and backdoors. For instance: March 12, 2014: NSA has developed implants to take over targeted computers’ microphones ...
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Writing malware in java?

To me, it seemed like malware could never be written in java. Those who taught me java said it was "secure" and did not allow "low-level access" like c,c++. But, I discovered that it can be done - ...
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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 ...
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Where a sysadmin deletes a company's data, why can't they just restore from backups

As an example, in the UBS Duronio case, Mr. Duronio executed code that deleted everything in its path, but isn't there a backup server? Why was UBS hit by the loss of data? If the backup is available, ...
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Is bit.ly a malware distributor?

I clicked this link http://girlsguidetosurvival.wordpress.com/ Chrome gave me this warning - Attackers currently on bit.ly might attempt to install dangerous programs on your computer that ...
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How to check if URL/ IP belongs to a zeus bot

I have a set of URL's which might be Zeus hosts / C&C servers since my security appliance says so. Is there a way to check if these really belong to Zeus?
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I found a malicious website embedded in Malware spam. What should I do?

An email is using social engineering to get users to click on a malicious URL that downloads javascript and then runs malicious code. Who should I report these malicious URLs to? (Microsoft ...
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Malware infections from visiting or using YouTube

Is it possible to be infected by viruses or other malware while visiting YouTube? What kind of measures do the YouTube staff take to prevent viruses and malware?
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Can the USB standard be altered to prevent the “firmware attack”? [duplicate]

Wired, and others are reporting on a research paper by Karsten Nohl and Jakob Lell. The paper apparently shows how any USB device (not just memory sticks) can be infected with malware at the firmware ...
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I accidentally installed an adware filled Firefox [solved]

I installed Firefox using a download site, rather than the correct site. After running and installing Firefox I noticed my Chrome had an addon called swift browser added to it by a third party. After ...
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Malware via power outlet

This is perhaps a very dumb question, but as I have no knowledge nor experience of IT security I have no option but to ask here. Is it possible to get malware onto your computer or smartphone by ...
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Is there any way to block LD_PRELOAD and LD_LIBRARY_PATH on Linux?

Preferably with a vanilla Linux kernel i.e. not using SELinux or GrSecurity? Lately there has been a case of in-the-wild UNIX server malware: ...
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Is this code harmful? Why?

Code: http://pastebin.com/kJ8ZGP82 That code gets retrived from http://ui.sidepage.co for every HTTP page I visit (not HTTPS) and load it into the body tag of the page. Is it harmful in any way? ...
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Security/Malware implications of storing data in a BLOB as opposed to the file system

From a programming perspective, there has long been a debate over whether to store files in a BLOB or Binary field in a database, or on the file system. The debate always seems to center around ...
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Can malware physically damage a hard drive?

I recently responded to an incident of supposed malware infection. The symptoms were simply, "My computer freezes at random times." The response ended with replacement of the physical hard drive and ...
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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 ...
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Why do I get AV alerts when browsing a web page?

I'm using the latest version of Firefox and Windows is up to date. When I was browsing a webpage and clicked a link the browser displayed "connection has been reset" and AVAST poped-up saying "Alert!" ...
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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 ...
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830 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 ...
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How can I know if my PC is getting infected?

I have installed an antivirus, but as no antivirus is perfect, what can I do to diagnose if my PC is getting infected? For example, keeping a close eye on what programs and tasks run when I turn my ...
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How to deal with resistant malware

Everytime I visit Gmail, Facebook, YouTube, or Yahoo mail, I get a popup "Please update Internet Explorer" (while I'm using Chrome!). I don't have screenshots but this website describes the problem. ...
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What patterns does a signature based anti-virus look for?

I'm working on a uni project where I will attempt to create a malware that uses some form of genetic algorithm to "evolve" itself out of being recognized by a signature based AV software. For this I ...
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How to check if computer is controlled remotely

My laptop has windows 7 installed. One Saturday night I couldn't fall asleep and was just lying in bed. Then suddenly at around 2 in the morning I heard the fan of the laptop start up and lights on ...
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258 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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516 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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What are some ways to steal a password/PIN using this system?

http://cups.cs.cmu.edu/soups/2007/posters/p147_lim.pdf Essentially uses an on-screen keypad that does not show the complete keypad numbers at a time. The image is refreshed at the rate of the ...
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146 views

At what criteria should an unpatched machine be considered hacked? [closed]

Since every machine connected to the Internet requires security patches, there is a window of time in which those updates have been released and those machines haven't yet been patched. It is ...
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How content-type:image can lead to infected JAR file?

Symantec published a news about a malvertising campaign targeting IE users with Java exploits (already known vulnerabilities). At some point they explain that the users are redirected on malicious ...
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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. ...
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What are ways I can analyze malware in an infected machine, not just clean it?

I often run into infected devices in my environment and would like to learn more about the specific infections that have gotten in. What are the best tools and techniques I could use to do this? I ...
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137 views

Can my phone be affected by malware through mobile phone signal?

My phone is newly bought. Can a hacker actually scan the mobile phone signal around me, detect it, and put virus/malware into my phone THROUGH the mobile phone signal of my mobile service provider? ...
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75 views

How to securely install software on Ubuntu?

How to install a software like Sublime Text on Ubuntu 14.04 LTS and mitigate against a MITM attack? There is a PPA available, but the PPA must be added manually. I don't see any PGP keys or MD5 ...
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226 views

Sticky keys on RDP

A recent report on page 18 states that: [black hats] have even leveraged [systems administration tools] as a means of maintaining additional persistence via setting “sticky keys” for RDP sessions. ...
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130 views

Drive-by downloads

I am aware of the problem of drive-by downloads, which happens when one visits a malicious site and a malware is downloaded to the PC. I want to ask that when such a program is downloaded, how does it ...
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347 views

How big is the threat of Desktop Linux malware? [closed]

Most malware one hears about on the news seems to fit into one of two categories: Windows viruses, trojans, rootkits etc. Linux server "worms", backdoors and similar How big is the threat of ...
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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 ...
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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 ...