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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33 views

Why an attacker would use a trojan over a spyware?

I'm trying to figure out some possible attack scenarios for a project I'm conducting. I've read plenty of material about malware and, in particular, spyware and trojans. While it's hard to find unique ...
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0answers
44 views

Identify Known Malware By Hash (MD5) Across Network [migrated]

I need to design a solution that will allow me to submit a series of MD5 hashes and then be alerted if these hashes are found on any machine (Windows) on the network. I'm open to existing solutions ...
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2answers
71 views

Can malware cause firefox to send GET requests?

Is it possible for a site to host malware such that if a certain page is accessed, Firefox is made to send additional GET requests? I'm seeing traffic for attacks coming from me that I haven't done. ...
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2answers
144 views

I have discovered a botnet during testing [on hold]

Whilst testing a server I discovered a botnet. I have the executable downloaded to the server and decompiled the file to get the strings from it. My question is what would the next logical step be ...
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2answers
322 views

Is a C plugin safe if I read it through an echoing parser before?

I wanted to use sharable plugins for an application. However, the plugins were extremely time critical, so I wanted to distribute them as C libraries. Now, these are not guaranteed to be safe (the ...
2
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1answer
32 views

After restoring from a (valid) full disk backup can malware still persit?

In the comments to this question it is mentioned that even after a backup recovery malware still can persist. Do I understand that correctly? How is this possible? If Acronis True Image is used to ...
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1answer
36 views

Legality of adding malice to an open source software? [closed]

With the heartbleed bug in the news recently and after reading Bruce Schneier's commentary on the issue I started wondering if there would be any legal implications for intentionally adding malice to ...
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0answers
14 views

Can ping the ip-Address but not the site and neither browse to it [migrated]

Due to some malware or virus, I was unable to connect to any site while the connection showed "Internet Access". On experimenting, I found that I was able to ping the I.P. address of google. But when ...
2
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3answers
46 views

Simple methods of preventing infection from external drives

What are some simple methods of preventing my computer from being infected by USB drives and other storage devices? I'm not asking for any bullet-proof methods, just something that can prevent ...
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1answer
136 views

How does CryptoDefense ransomware encrypt large data with a (relatively) small RSA key?

I recently encountered some news about the recently new Ransomware called CryptoDefense: it uses RSA 2048 to encrypt your valuables and offers the private key for a price. (It's already been solved ...
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0answers
36 views

Enabling virutalization, addressing the bluepill risk?

Background to this question is the ambivalence I assume with virtualization. Also to start directly with clarity: the term bluepill should here be a placeholder to denote "malware that uses ...
3
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1answer
71 views

How to identify and analyze malware that checks for security tools before running?

I've been reading about the ZeroAccess and looking into some bot's code source* and I found this piece of code which checks if filemon is running in the infected computer before running the bot. ...
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0answers
27 views

Exploit.Win32.CVE-2010-2568.gen malware detected [migrated]

I am not very good with computers. Actually, I am very bad :( so if you are willing to answer my question, could you please explain your answer in very simple terms, like to a complete dummy? Thanks ...
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2answers
66 views

Verifying integrity of text files

While I was away from my home I needed to do some work on a java program so I booted a friends netbook(windows 8) I had with me and finished most of the works I needed to do there. Tho when I returned ...
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0answers
23 views

How to find a FUD trojan that infected my os? [migrated]

recently I've been trying to understand how to apply some courses on analyzing some malwares, but it seems that during this process my pc was infected,after seeing the led of the webcam turned on for ...
3
votes
2answers
79 views

Can viewing an email message in Outlook 2013 install malware on my computer?

I routinely get spam messages which state "Your account for [Insert game here] has been flagged. If you don't click this link/send us this info/go to this website in the next 72 hours, your account ...
3
votes
1answer
98 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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1answer
55 views

Unusual image may contain hidden data

I have received an image from a friend. This is the image. is there any way to detect any anomalies in this image. Thanks
1
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1answer
114 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 ...
1
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1answer
150 views

What does a Remote Desktop Connection risk for both computers?

I recently had a malware issue called "mysearchdial" that installed itself into my home computer's browser because someone didn't pay attention to what they were installing. I RDP'd into my work ...
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3answers
109 views

Are virtual keyboards themselves secure? [closed]

It is advised to use on-screen keyboards on, for example, banking operations (especially if the site doesn't have a virtual keyboard) to beat keyloggers (at least minimize the risk). There is some ...
0
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1answer
253 views

Potential problem in public Maven repository

Problem This morning I found that, what I thought was one of our proprietary artifacts, had been published to a public repository: http://repo.grails.org/grails/simple/codehaus-cache/com/ If you ...
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2answers
80 views

Why does host's antivirus detect guest's malware?

I'm analyzing some malicious files on a VM and I'm noticing that every time I open a file, the host's antivirus detects it. Why does this happen? Is the malicious content escaping to the host?
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2answers
113 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 ...
11
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3answers
219 views

Retrieve files from possibly infected USB

I work in a lab environment, and save data to a shared PC. This PC is not networked, and so the only way to get the data from that PC to my own, is through USB. The lab director has mentioned that the ...
2
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3answers
415 views

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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3answers
87 views

What are the pros and cons of using live CDs vs VMs for malware analysis?

I'm planning on doing some malware research for a research project, and I was wondering what would be a better option for keeping my system safe from viruses accidentally infecting it. I'm only ...
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1answer
46 views

ensuring that compiled (and signed) packages don't contain malicious code

I would like to understand how the packaged Linux distributions (i.e. Debian) ensure that their packages don't contain any malicious code. I know that packages are signed, and that I can download the ...
1
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1answer
62 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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votes
1answer
59 views

does any botnet/malware traffic use ssh or anything else other than TCP/IP? [closed]

if i sniff all traffic leaving my router, if botnet traffic is present will it be IP traffic or does any malware use other protcols such as SSH, FTP, TFTP, etc?? do antivirus software programs ...
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0answers
61 views

Is winmail.dat a malware propagation vector?

Some of my coworkers use Microsoft Outlook (I believe) and have it configured in such a way that mail attachments are encapsulated in winmail.dat files. Apart from the general annoyance and lack of ...
3
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2answers
97 views

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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2answers
107 views

Is anti virus software supposed to clean up registry entries made by malware?

I just cleaned up a virus infection on my computer (running windows) by running an Anti Virus Scan. The malicious executable files are now deleted. However, the registry entries made by it remain. ...
0
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1answer
52 views

How to prevent malware to know when removable devices are plugged in

The question is clear, I'm a programmer and wrote a software to disinfect the USB devices when they got the malware which hides the files and creates a shortcut of the virus . Using this soft we can ...
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3answers
132 views

Malware stole an executable file on my computer? Seems unlikely

If you don't want to read all of the details, skip to the bottom; I'll make a summary. I created a computer program as a proof of concept (I threw it together in 12 hours, so I wrote it in Visual ...
1
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2answers
57 views

Where do suspect requests from logged-in users to my website come from?

I have an ASP.Net MVC 4 web application that is hosted on a Windows 2008 server. The application is secured by a custom ASP.Net membership provider. Only users who are granted permission by the admin ...
0
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1answer
46 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, ...
1
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1answer
221 views

My home PC was hacked and accessed my bank! Advice on next steps? [duplicate]

I recently setup a new Win8.1 PC while still working on my main development PC so it did not have all of the security tools that I usually install, e.g. malwarebytes, adaware, etc. Since it takes me a ...
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2answers
223 views

Can I get a malware on Windows without administrative rights?

I'm a Linux user and I installed Windows recently, I need it for some software. I don't want to use any anti-malware programs, I don't plan on giving administrative rights to applications I don't ...
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2answers
145 views

USB Flash drives and data theft: x355

Can somebody have stolen files and data from my desktop PC just by inserting a USB Flash drive in my computer, without dragging files over to the Flash drive?
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votes
1answer
61 views

Meaning of webpage link containing www23 [closed]

I have come across a number of websites which include links such as www32.example.com and also www2.example.com. Why is there a number in the www part of the link? Are these sites not legitimate? ...
2
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2answers
523 views

What is the ultimate goal of hacking a webserver? [closed]

Recently I noticed a lot of traffic generated by automated bots that were checking for vulnerabilities in my web server. They were mainly looking for ways to hack into plesk/wordpress which I don't ...
2
votes
1answer
465 views

How does Ram Scraper work?

I heard that during Christmas a lot of customer data was stolen using malware attack called Ram Scrapers. What exactly is a Ram Scraper?How would one infect a machine with it?What information can you ...
0
votes
1answer
102 views

Java Drive By & Stub - Explanation [closed]

I have been trying to make some extensions for chrome lately to block some unwanted stuff. I have also been searching for quite some time to find what a JDB does.So , the applet downloads a file , ...
0
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2answers
136 views

Getting detailed information about an infected website

I have a set of bad URL's. I want to know the nature of infections affecting these URL's . Running an online scanner such as VirusTotal gives me some basic information from various engines about the ...
1
vote
5answers
176 views

“Safe” public WiFi [duplicate]

Is there any danger of any of my computer's files being read or changed (mainly - infected by malware) in the following scenario (I'm using Windows 7): I have file sharing turned off (in "advanced ...
3
votes
1answer
571 views

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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3answers
506 views

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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1answer
83 views

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

How effective signature-based Antivirus is, in detecting encrypted malware?
3
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1answer
75 views

opening random extensions with notepad

I get files with random extensions sometimes in order to bypass corporate firewalls. Usually I would just ask the other party what it is that I just received. Other times I get curious and open the ...