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2
votes
0answers
39 views

A window asking me to enter my ssh passphrase is popping up randomly. Why?

I'm on Ubuntu 14.04. For a few weeks now a small window keeps popping up randomly, grabbing my keyboard and asking me to enter the passphrase for my ssh key. The Window's title says "OpenSSH", and it ...
3
votes
2answers
166 views

Updating PHP to Gaurd Against Mayhem Malware

How will making sure my PHP version is updated thwart the Mayhem Malware? Will updating PHP on my Ubuntu server prevent the Mayhem Malware from being able to make it onto the server, prevent it from ...
7
votes
1answer
285 views

How to tell if mysterious programs in nethogs listing are malware?

This is what I see in Nethogs: I'm concerned about the listings with PID ?, running as root. How can I find out what these are? I'm running Linux Mint 14. Please let me know what other information ...
0
votes
0answers
23 views

Ransomware like BitCrypt dangerous for linux system [duplicate]

Can a ransomware similar to BitCrypt be dangerous to a linux desktop user? Since software can be run from the home folder a user might accidently download and run a program that encrypts all personal ...
2
votes
2answers
48 views

Securely inspect email attachment

I received a really classic spam mail stating that I have to pay a bill. The mail included an attachment (.exe). Just for curiosity reasons: What would happen if I click on the attachment? (I am ...
1
vote
1answer
33 views

Scanning a file by multiply antiviruses

I start needing to scan for viruses all files uploaded to my website. I've implemented a pretty simple prototype which I tested locally and it seemed work well. However, I need to make it more complex ...
2
votes
3answers
90 views

How do I disable and re-enable Java whenever I want?

For me Java is just a security threat. Not many legitimate Linux apps use Java. However there is an abundance in Java malware and malicious remote administration tools like Jrat among others. But one ...
96
votes
8answers
8k views

The myths about malware in unix/linux

Is it possible for my Linux box to become infected with a malware? I haven't heard of it happening to anyone I know, and I've heard quite a few times that it isn't possible. Is that true? If so, ...
3
votes
3answers
200 views

Is there way to stop random software packages from remotely transferring your files?

I am running a bitcoin client on my archlinux computer. If somebody can get ahold of the wallet.dat file, located in the ~/.bitcoin/ directory they can steal my coins. I have minimal software ...
2
votes
1answer
360 views

Does this threat still exist: Linux keylogger without root privileges

http://superuser.com/questions/301646/linux-keylogger-without-root-or-sudo-is-it-real Or it's long gone as most of the new distros implement SELinux by default
0
votes
4answers
2k views

Do I really need an antivirus on Debian 7? [closed]

I use Debian 7 and I visit unknown and different websites. I want to know that people say that we get virus form internet and those virus hack our Bank accounts. Do I really need any antivirus? I ...
1
vote
1answer
89 views

Could Autorun Virus, affect my PC via Wine? [duplicate]

I have installed wine and I am afraid that viruses will affect my PC now. I will not open any other .exe file other than mine one (which I use everyday)
6
votes
1answer
357 views

how to make malware file readable with “No read permission on file” on linux ext-4?

There is an ongoing campaign of sending virus/trojans in e-mail messages faked as being from HSBC Bank, Lloyds TSB, Amazon etc. The trojan/virus is sent in a application/zip attachment. I've saved ...
1
vote
0answers
195 views

maldet and possible false positives?

I have been using maldet for many months and it's worked fine up until now. As of about a week ago, it is detecting a mass {HEX}PHP.Bypassshell in nearly every PHP file. I even downloaded a clean copy ...
0
votes
1answer
38 views

Not able to copy original top command executable over a malicious one

Somebody hacked my system and replaced some of the system commands like top, ps, find etc with malicious ones. Now, I am trying to copy the original ones, but the copy or move commands fail, even ...
1
vote
0answers
168 views

How to enable on access scanning and the like in Debian Squeeze?

I am using Debian squeeze. I want to enable on access scanning and scanning of downloaded files and all options which are employed by a proprietary virus scanner for Windows on Linux. I am using ...
1
vote
1answer
1k views

How to stop a windows virus run in Wine from infecting executables?

Yesterday all *.exe files on my machine were infected by Win32.Neshta virus after I ran one program via wine. I cured the machine with rm -rf ~/.wine, but it's no good anyway. So, I decided to set ...
4
votes
4answers
190 views

Virus 'caught' while using Linux lays dormant, becomes active when login into Windows, can it be?

Can I 'catch' a Windows virus, while using Linux - so it will be saved on my hard drive and start working when I log in to Windows? I know it wouldn't affect the Linux itself. I am using 'Dual boot', ...
0
votes
2answers
296 views

FreeBSD's kernel is 'locked'?

I happened to talk to a Mac Genius on the subject of viruses. He mentioned that the FreeBSD kernel on which the Mac OS is based is 'locked' and therefore no viruses can ever harm my Mac. I didn't ...
3
votes
2answers
303 views

GNU/Linux distribution for network virus || malware identification

I'm looking for a GNU/Linux distro that I can install in transparent setup to look for infected hosts on a LAN. I don't need to stop viruses and malwares but only identify them and the host where they ...
0
votes
3answers
143 views

Is it possible to have malware software in Linux without executing untrusted applications?

I'm linux user and I'm thinking about it's vulnerabilities to malware. Can I get any malware if I run only trusted applications from distro's repository?
14
votes
4answers
3k views

How to detect and remove a Linux trojan?

I recently (re)stumbled upon this: Linux Trojan Goes Unnoticed For Almost A Year (Unreal IRCd) Yes, I know that adding some random PPA/software from an untrusted source is asking for trouble (or ...
6
votes
2answers
911 views

Java problem - nearly looks like a virus?

I have a weird problem since about a week. When I wake up my computer from suspend, a java process starts and consumes about 170 % CPU capacity. I analyzed the java process a bit: it connects to ...
1
vote
2answers
273 views

Deleting viruses from USB

When I use my USB drive on Windows computers, then return to my Linux computer, I find many extra files are added to the drive, often exe files and various folders. Is it sufficient to delete the ...
1
vote
2answers
233 views

Is Linux really malware safe? Or people just don't bother creating them for Linux? [duplicate]

Possible Duplicate: The myths about viruses in unix/linux I've never used Linux before and I heard that you don't need to worry about malware on Linux. So, as the title said, is Linux ...
7
votes
2answers
302 views

Can I get infected in this case if I run a live cd?

I recently got rid of a nasty trojan on Windows and want to migrate to Linux(Ubuntu). I want to run a Live CD so that I can format an SD card to put my brand new firmware on my router and format the ...
0
votes
1answer
749 views

How to find out that someone is using a Keylogger on the machine I am using?

HW/SW/whatever keyloggers are there. How to find out? E.x.: Regularly check the cable of the keyboard, because there could be HW keyloggers: http://i.imgur.com/TeMwo.jpg But what about other HW ...
16
votes
5answers
2k views

Does installing and using Wine open up your Linux platform to windows virus'?

Just wondering if installing wine might open up a fairly solid linux desktop to the world of windows virus'. Any confirmed reports about that? Would you then install a windows antivirus product ...
3
votes
1answer
378 views

Is there any Virus attack in Linux?

Is there any virus attack on any of the current distributions of Linux? if there is any, how was it solved? have they used any anti virus programs which are available now?
6
votes
2answers
320 views

Should I install an antivirus?

Are builtin security features allied to secure user behavior enough to protect a Linux system? Or should I install an antivirus software?