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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How to Secure My DropBox Installation?

I am sharing a DropBox Folder with by Friends for a project so that we can be updated with each other progress. But i was not very convince after reading the How secure is Dropbox?. What if one of my ...
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329 views

Any one know about UDP traffic on source port 26221?

On my captured network traffic i observe a flow having a source udp port of 26221 and have different destination udp ports. Some of these destination ports were standards IANA ports. The average ...
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178 views

Appilicability of Theoritical Computer Science/Formal methods in Malware research

I would like to know the importance of Theoritical CS/Formal methods in Malware research. Due to the large volume of new malware variants received per day (~50,000 samples/day according to McAfee), ...
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71 views

Malware From from external drive

How do malware start from external drives? Especially on Windows (from > Windows 7) commands like Open=Example.exe on an autorun.inf file have been defaulted disabled to not allow auto run when an USB ...
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63 views

Data collection when responding to malware alerts

When investigating malware alerts I would like to collect some information from the system before the decision gets made to take the system off of the network and re-imaged, or if further forensics is ...
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4answers
257 views

Malware script uploaded - CPU has been maxed out

I received notifications that the CPU was maxed out. Using Process Manager in WHM, I could see that commands named "fuckyou" was running some kind of cron sript on our server. The file it was calling ...
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54 views

Is it safe to load a forensic image which might contain malware?

So you get a raw image of a compromised system and then you load it on an application suite like Autopsy. If the system had some kind of malware, could it spread to the operating system in which ...
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131 views

Executed malicious exe file. Help please [closed]

windows 8.1 Im not very computer savvy i was wondering if someone could help me out with this. So I downloaded an exe file then ran it as administrator. It turns out it was a virus. Yeah I'm a genius. ...
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84 views

How to analyze why Chrome downloaded a particular file?

I had a very few Chrome tabs open (see appendix) and other safe websites. Suddenly, without any prompt or action from me, chrome starts downloading the file "NEW!_iPhone7_LEAKED_PHOTO.JPG.exe" which ...
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157 views

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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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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95 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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393 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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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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117 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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119 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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548 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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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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277 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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382 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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75 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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121 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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289 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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996 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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258 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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903 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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196 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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How to get started as a Malware Analyst? [closed]

Sorry if this is posted in the wrong section. A little about me: I'm going to be a sophomore in the fall at university, my major is Computer Science (Information Assurance). I've been interested in ...
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53 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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53 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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174 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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484 views

How should I deal with adware in chrome on ubuntu?

I use chrome (but also have firefox) on ubuntu 14.04 32-bit. Recently I started getting popups from 'softwareupdaterlp.com'. I had the sense to realize it was not legitimate and I didn't click install ...
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48 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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112 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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57 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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108 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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136 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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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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233 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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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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56 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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301 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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100 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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82 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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79 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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226 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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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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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 ...