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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what is the difference between dll hijacking and dll injection

I am confused. I would like to know if dll hijacking and dll injection are the same or are they different. I know that some malware use it to do malicious things. thank you in advance
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100 views

Any “cleaned” virus that's been successfully re-released?

Anti-malware software has to keep track of all bad software there is. To ease this load, it seems like a good idea to stop looking for threats that's been dead for years. Is there any example of some ...
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92 views

Manual malware / adware analysis after SEP scan

My company currently gets malware alerts from several source's i.e. Symantec Endpoint Protection and FireEye. When these alerts are triggered, a manual process of logging onto the user's machine is ...
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337 views

How safe are Firefox addons from official mozilla.org site?

I would like to install the Dictionary Pop-Up addon for Firefox. I usually don't install any addons, but this one looks especially tempting. I could not find any information on the Mozilla page, ...
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59 views
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160 views

Why do sandboxing environments not rely on antivirus programs?

Since years ago, miscreants use JavaScript to craft web malware attacks such as drive-by download attack that is used for example to install the famous CoolWebSearch virus. There are static methods ...
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116 views

Question about “FUDing” with hex editor

I see a lot of materials in Internet about this technique. I'm not really interested in malwares, but I'm curious when you change bytes to an exe with other bytes, wouldn't this corrupt the exe? I can ...
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113 views

SpyProxy: how does it work?

I have been reading about SpyProxy. Can someone explain me this phrase I found in the article ? Here it is: We monitor the guest OS and browser through “triggers” installed to look for sandbox ...
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490 views

Computer worms, propagation and exploiting vulnerabilities

I have been referred here to ask this question, so I am doing a research on computer worms, I have been through several sites and a few caught my attention, I have learnt that worms propagate through ...
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658 views

Does Skype compromise my system (beyond the scope of calls/chats)?

First of all, please don't shout at me for wanting to use Skype. I know that it's evil and I fully expect all the calls and text chats going through it to be stored permanently in govt data centers, ...
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265 views

Shared hosting hacked. Should I report this to someone?

A malware file appeared on a friend's server as described in this question. It's a file called "images.php" that is designed to look like nothing important, whose sole function is to wait for an ...
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358 views

How can this be possible? (malware autoinstall on chrome)

I have a website, using an ads service (qadabra). Yesterday some users reported me that the ads service sometimes redirects to a site containing malware. the url is this: PLEASE DON'T OPEN IT, IT ...
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118 views

Reliability of windows OS security for “program files” safe guard

I want to do inter process communication between Firefox (via extension) and my application. Both reside in "Program files" (of windows 7 OS). I also assume that malware is running in the system and ...
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277 views

Malware hidden on a USB drive, does the malware always need to run to hide itself? [duplicate]

Would malware be able to hide itself in the controller somehow or otherwise be able to effectively hide files itself from both windows and Linux?
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965 views

How to Detect Zimbra Sniffing Trojan

I am a sys admin of our system, we are running zimbra as email server in our environment. I got the following message from the CEO. "Everytime I send or receive an email - I get a SPAM ads a few ...
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250 views

Compromised server with psyBNC - what are our next steps?

One of our VPS servers has an install of psybnc on it. The install has been present for quite some time, and has now been brought to our attention. We have backups, but they also have psybnc on them. ...
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875 views

Where can I find worm traffic sample?

I have a program that has to detect scanning activity of worms. I need some samples of worms' traffic (pcap files) to try the program, and notes about the procedures which must be taken when running ...
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195 views

Where can I find information on existing viruses?

As part of my research, I have created a small malware corpus which I'm conducting my tests against. I would like to categorize them based on Metamorphic / Polymorphic / etc. I am not sure if this is ...
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46 views

Potential worm damage on a physically isolated Tor system

I'm setting up a physically isolated Tor system (with one computer serving as the workstation and another as a Tor gateway), and I'm concerned about methods a worm could use to infect my OS. In the ...
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50 views

Can a compromised OpenSSHD server be used to upload a malicious payload to a client?

Since I'm fairly unfamiliar with the specific details of the SSH protocol, I was wondering if it was possible for a compromised SSHd server to upload a malicious payload (like a Trojan or some other ...
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144 views

How can the Equation Group HDD firmware malware help bypass FDE?

There is currently a lot of discussion going on across the Internet about the "Equation Group" family of malicious hard disk drive firmware. One thing that has me wondering is the claim that ...
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44 views

Does SSL/TLS have the feasibility of detecting malicious things during transmission? [closed]

As per my knowledge the current implementation of SSL/TLS does not have the capability to identify the data is malicious or not during the transmission or before encrypt the data. If its have , kindly ...
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111 views

Is it “cross-platform attack” if first OS is not attacked at all?

I am analyzing a mobile application, which has embedded files(Worms) to attack a desktop OS. But this application does not do any harm to the mobile platform. Mobile is just a medium to deliver ...
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56 views

Apps that require user to install advertised apps in order to get activated

I am analyzing a mobile application, and I am not sure if it is just an adware/greyware or does it enter the category of malwares. This app does not really do any harmful activity. But it forces user ...
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101 views

Which security measures does PyPI and similar third-party software repositories take?

PyPI is a third-party software repository for Python packages. Everybody can upload packages to it (see The Python Package Index (PyPI)). How does PyPI prevent people from uploading malware? When I ...
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135 views

Can folders [alone] have viruses?

I know that files can be infected, but can a Folder itself have a virus/trojan?
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87 views

Why is there a path to a .pdb file in an exe I am trying to reverse?

My query is ,if I'm seeing a .pdb path in a exe(VC++) what conclusion can I draw from it.Why does the exe have these paths and does it have significance in malware analysis? eg ...
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213 views

Microsoft OneNote being detected as Malware

I am helping a friend install OneNote 2013 64-bit on their Windows 7 (64-bit, SP1) system. We went to the official Microsoft OneNote website, www.onenote.com, clicked on 'Windows' (just to the right ...
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1k views

CloudFlare - prompted for “attention required”

I am getting a CloudFlare - attention required / security check prompt on most of the sites I visit through my Macbook running OS X Yosemite, these sites work perfectly on other devices (such as iPad, ...
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52 views

Javascript file detection

One common technique I use is xor bruteforcing on binary data. In this case, I would like a heuristic approach to determine whether or not any possible candidate plaintexts are javascript. This rules ...
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294 views

Will Ad Block Plus block the ads that give someone Cryptowall 2.0?

Now I already know that making sure your browser plugins are either non-existent or up-to-date is one way of being on the safe side against ransomeware like Cryptowall 2.0; but since clicking ads are ...
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97 views

using multiple Firefox profiles to increase security

I am wondering whether it would increase security in any significant way, if I would use two separate Firefox profiles, one for normal browsing and the other for private/secure websites, such as my ...
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78 views

How do I secure X server against spyware in a GUI application?

Suppose you have a GUI application, that potentionally may be too curious about your environment, such as the list of window titles. How do I limit application's ability to enumerate windows, capture ...
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60 views

blacklisted URLs: what to trust?

This website blacklists URLs: http://hosts-file.net/?s=54.244&view=history&direct=1 Its last database update has been today. When I check the last 5 URLs it published Firefox tells me they are ...
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78 views

Is this behavior the result of malware?

I have setup a new set of servers to test a software in Amazon EC2, and had set up my application. I've given it public access and a DNS entry, so its easily reachable by those that need to test it ...
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215 views

If malware was detected in browser local storage does computer need to be nuked from orbit

I haven't used Windows partition since mid-June and I booted the system once again just a few days ago. My first action was as usual update all programs marked to be updated (including Windows ...
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94 views

Is it safe to create live usb on an infected system?

I am using Ubuntu 13.10. If my laptop is infected with malware, can I get rid of it by creating a live usb on it and using that live usb format and re-install the ubuntu ? I mean is it possible that ...
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59 views

The threat of video metadata

There are various old questions on stack exchange which say that malicious code in file metadata can potentially be executed when the file is opened (here, here, and here for example). They are all ...
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82 views

Live Boot Devices

Found this article on using Live Boot Devices to do sensitive tasks such as online banking. While the article discusses the benefits of avoiding a possibly compromised host OS, it doesn't mention ...
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102 views

Are dialers obsolete?

My antivirus picked up an infection by Dialer/Coulomb. The definition of a dialer is a piece of malware that dials a number that charges money. How would it do this, is this from when modems were ...
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46 views

What are the webmalware effects on Windows XP?

I am redirecting URLs to a virtual machine (Windows operating system) to check if there is malware on the website i want to visit (JavaScript attacks, drive-by download attacks, infected pictures/PDF ...
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150 views

Malware infected ATMs in China via specialized device

Hackers inserted a specialized device which was connected to the notebook into the card reader slot on the ATM and installed malicious software. 100 thousand US dollars were stolen from at least seven ...
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82 views

Can a drive-by download attack crash the OS?

Are there cases where a serious drive-by download attack could crash the operating system or the browser ?
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474 views

Are my Snort rules correct?

I am trying to do a Snort demo and I though it would be nice to detect a real threat. I picked the sasser worm and the jolt/teardrop dos attacks for the demo; no particular reason. Out of the three ...
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223 views

Repercussions of hacked router?

I am staying in Thailand right now on a "long holiday" to do some work on my laptop. A few weeks I noticed that at the condo where I am staying, sometimes I am redirected to ad sites. I researched it ...
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81 views

Malware threats from other mounted hard drives

I am going to install Linux on an external hard drive and my internal hard drive is currently running Windows. When I boot to my Linux and I still have my windows hard drive mounted is it possible for ...
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71 views

How can I view the contents of a web page without running malicious code? [closed]

I received a strange email which has some strange URL in it. I would like to know what is "behind" the url, but without the risk of running anything malicious. How can see the contents of the URL, ...
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551 views

Can signature-based Antivirus detect encrypted malware? [duplicate]

How effective signature-based Antivirus is, in detecting encrypted malware?
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177 views

Can a program change the shortcut location of a browser to itself without UAC (Admin) in Windows?

I was reading an article on .desktop files used to spread malware on Gnome and KDE. I just thought that the same could be applied to Windows. On Windows: Malware is disguised as a picture by ...
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797 views

Static analysis of Android applications using Androguard

I am building a project a part of which involves performing static analysis for Android applications. I know of Androguard and its tools that help in analyzing Android apks. But I am stuck and don't ...