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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16k 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
621 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
135 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 ...
1
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1answer
375 views

Detecting Malware in the android App [closed]

I've been given an APK file, and before re-distributing to the "market" I want to make sure the given android app does not contain the malware. How can I do that ? Business use case is similar like : ...
0
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1answer
48 views

Photo Attachment's Feature For Some Mail Servers [duplicate]

You already know google started new service which is related to gmail. http://gmailblog.blogspot.com/2013/11/attachments-in-gmail-now-with-power-of.html When we send new mail to friends.If it ...
2
votes
1answer
14k views

How much can someone see from my iPhone by connecting to my wifi

How much can someone see from my iPhone by connecting to my wifi and can they copy my messages files documents etc
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1answer
190 views

One or two machines in a network have been compromised. How to proceed [duplicate]

Edit This post has been marked as duplicate. While I have read the referenced thread I see some differences in the descibed situation. My scenario below is a non-server home network with both machines ...
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3answers
249 views

What is the safest way to copy a file from an untrusted system?

Scenario: There are two computers running GNU/Linux, U and T. U is untrusted and T is trusted. A non-executable file F (which may however have been infected with malware) resides on U. (For ...
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1answer
1k views

Hacked site - encrypted code

Couple days ago I gave noticed that almost all php files on my server are infected with some encrypted code and in almost every file is different. Here is the example from one of the files: ...
7
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1answer
230 views

Why Apache runs as unprivileged user?

Apache Web server as a security measure relinquishes its system privileges and runs as a normal unprivileged user before accepting clients over a networks. My Question is How this measure prevents ...
0
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2answers
366 views

NGO Joomla! site: Infected with malware? JavaScript injection?

Please help us with this NGO site running Joomla! 1.5. They can't pay a security professional right now, so maybe you guys can help isolate the problem? If you go to http://casatrespatios.org you ...
0
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2answers
101 views

Course of action with this malware [duplicate]

After clicking in a fake "download here" button in a webpage for film downloads, a computer has got infected with what I believe to be an adware. I have located the file, VirusTotal gives this ...
2
votes
1answer
92 views

very bad malware that masquerades as spyware?

Has there ever been a known case where a machine acquired spyware like a browser toolbar, or plugin but that spyware also deployed more dangerous malware like a trojan, botnet, or worm?
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4answers
777 views

How would a keylogger bypass Wireshark sniffing?

I often see malicious keyloggers being advertised as having anit-wireshark feature. Meaning their data can't be sniffed. Is it possible to do so? How would they do it? My guess is that they just ...
1
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1answer
191 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 ...
3
votes
1answer
459 views

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 ...
5
votes
4answers
690 views

How to keep Mac secure from viruses, malware and keyloggers?

How can I download and install software and make sure that it is not infected with viruses, malware or a keylogger? Also, I heard that Macs "don't get viruses". Is this true? Is it a good practice to ...
2
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1answer
137 views

Sonar power saving. Attacks and how to mitigate

I recently came upon a program called Sonar power saving that uses speakers and microphone to put the computer in power saving mode as long as you move away from the screen. ...
1
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1answer
123 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 ...
-1
votes
1answer
406 views

Removing Persistent MBR Malware [closed]

I do have a problem, how do I remove a persistent MBR malware? probably the malware hides itself in HDD sector that an OS couldn't even access. Already tried to format it and remove clean all ...
0
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3answers
1k views

Prevention against Cryptolocker virus by requesting password for all installing apps in Windows 7

Is it possible to protect Windows like Linux? I mean, I have Ubuntu installed on my laptop and when some program wants to install something etc. the pop up shows up and I need to type the password. ...
0
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1answer
124 views

Strange Virus Infecting My Server

I am currently working on a Web App on my dedicated server (LAMP) and it seems like it might be infected with some strange malware/virus of some kind. When I access some domains on that server (every ...
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0answers
59 views

Any Suggestion Exchanging shared key between process via port in untrusted machine (infected my malware)?

I am trying to get shared key between Firefox extension and a java program running in same machine. I am communicating both application via socket. My assumption is that malware is running in ...
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3answers
4k views

How to deal with a hacked laptop that's being remotely monitored

One of friends hacked my laptop and now whenever I come online he can tell what tabs are opened in my browser, so I think he is remotely monitoring me. I don't know how he did this, since I didn't ...
0
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1answer
166 views

someone claims to have created such a malware, can he be true?

These are not my lines they are by someone else on the internet. I also want to know is that malware that unique? How will it work in GPU and is there a way to sandbox such application? "HERE GOES ...
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1answer
310 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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votes
2answers
4k views

How do worms spread over LAN? [duplicate]

I've been researching LAN recently, and I came across a post talking about viruses spreading over LAN, and I was wondering, how is this possible? Would it not be a huge security issue to allow files ...
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2answers
428 views

Transmitting malicious code over audio speakers

In a post that reads like science-fiction, a security researcher claims that malicious code was being passed between computers. A few quotes: ... "badBIOS," as Ruiu dubbed the malware, has the ...
26
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3answers
2k views

Malware that can survive BIOS re-flashing

The well-respected security consultant Dragos Ruiu is reporting that he has been infected with mysterious malware that can survive re-installation of the OS and re-flashing of the OS. In other words, ...
0
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1answer
191 views

Is “Small HTTP server” malware?

I have used Small HTTP server in the past, years ago. I went to its website do download it again, but it has a dubious WOT rating: some say it is malware, some say it isn't. I proceeded to check it ...
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6answers
37k 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. ...
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0answers
387 views

Adobe Install Redirect

I have heard of the Flash virus floating around, but after reading more I do not believe I have it. When I go to http://get.adobe.com/flashplayer/ So that I can update, 'Install Now' will redirect ...
0
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3answers
3k views

Statistics about malware targeting different OS

Are there any reports or statistics that describe the numbers or types of malware attacks on different operating systems, such as Linux, Unix, Windows, MacOS?
0
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1answer
202 views

Mac OS: keylogger vulnerability & FileVault 2

I'm configuring my mac and encrypting my disks with FileVault 2. As the boot disk is encrypted at startup I have to login via the EFI partition before the OS will boot. From my understanding, most ...
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2answers
131 views

VM security, how to access main OS

Is there any way for me to access the main computer if the VM has been infected? Let's say that I am running Debian or ubuntu in a VM and the main computer uses Windows (or other way around just so ...
6
votes
3answers
965 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 ...
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1answer
81 views

Are virtual “canary” systems used to detect malicious programs?

I was wondering if malicious programs are detected using a virtual system. For example a "canary" system would be set up in a virtual environment then unknown and untrusted programs would be executed ...
1
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1answer
758 views

Orbit Downloader botnet program removal [solved]

Recently (shortly after midnight on 10/8/2013) I installed and ran Orbit Downloader. After learning that the latest version (4.1.1.8) has a botnet-like module included I immediately stopped the ...
6
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3answers
2k 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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1answer
264 views

Can someone remotely get into my computer and make it look like I typed something in a search? [closed]

Is it possible for someone to remotely manipulate the keys on my computer to make it look like I was typing?
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2answers
550 views

How does the Mega-D BotNet send spam?

I have just been reading an report that analyzed the Mega-D Botnet, but what I haven't fully understood is how they are used to send spam? What email address is the mail sent from? Does each bot ...
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0answers
36 views

Removing PHP Shell from server [duplicate]

I have looked at a few other questions related to this but nothing specifically answered what I was wondering about. Say for example you have a server that is infected with a php shell such as c99. ...
2
votes
2answers
330 views

Using a virtual machine as a buffer between USB media and OS

I was directed here from the Unix & Linux site. I've gone through some of the related questions, but they seem to be more concerned about whether a guest OS can access the host OS in someway. ...
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votes
1answer
114 views

Stuxnet Blacklist

I want to find out different pattern for the Stuxnet virus ,I have searched for these patterns on internet but could not found the patterns . Your help is appreciated
0
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3answers
3k views

Malware Suddenly Uploaded To My Website! [duplicate]

This is my first question here on the IT Security section of Stack Exchange, so if there is any problems with my question I apologize. Basics Suddenly Google says that my website contains Malware! ...
0
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2answers
240 views

Random File downloaded

Okay so I was setting up stuff on my new mac earlier, downloading flash and office. They both downloaded and installed smoothly, but after I noticed a weird new file in my 'downloads' folder: ...
0
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0answers
16 views

How to remove popup malware - sponsorship/bigfintuna/milesandkms [duplicate]

I have a malware problem similar to the one described here and here and I'm looking for information on how to remove it. Spybot Search and Destroy and Malwarebytes Antimalware both give my computer a ...
0
votes
1answer
135 views

What is “KDV” in antivirus databases?

I scanned a file (virus) on VirusTotal and 3-5 antivirus labelled it as Generic.KDV.549626 Is there any central "KDV" database where all the entries related to a virus are stored?
2
votes
1answer
251 views

Where's the virus in this web site?

I made my friend go to this web site and it immediately infected his machine with malware (AntiVirus SecurityPro). It happened just by going to the front page. It seemed the malware started up, but ...
3
votes
5answers
172 views

Windows: Any method to enforce user confirmation before the browser opens a URL requested by an external desktop app?

A robust outgoing firewall will protect against desktop applications directly connecting to the internet without your permission. However, as the browser is a generally authorized application for ...