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.

learn more… | top users | synonyms (1)

0
votes
1answer
66 views

When NtUnmapViewOfSection is called?

I'm analyzing an executable and I see that it created a process child and within it there was a call to NtUnmapViewOfSection. I know that this method is almost always malicious and can be used for ...
1
vote
1answer
36 views

What is the purpose of enclosing process spawning?

This file/script is supposed to scan for outdated Node modules and prompt the developer to update them, however I believe it is malware. The instructions were to download the file, set the executable ...
3
votes
3answers
186 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 ...
3
votes
6answers
159 views

What to do with possibly infected files that need to be kept

I have retrieved some old pictures/videos (mp4, many types of avi) of some old events that I want to keep, the problem is that these files have been sitting in confirmed infected machine for a very ...
1
vote
1answer
122 views

How can I send a file with DLL to Cuckoo Sandbox?

I want to submit an executable for analysis in Cuckoo Sandbox. The file must be in the same folder with a DLL I have. How can I request Cuckoo to test my exe and make it run properly? (i.e exe and ...
15
votes
6answers
1k views

Methods of mitigating threats from keyloggers

I am concerned about keyloggers being installed on my system and transmitting sensitive data out of our network. Is there a common method that such malware uses to send its collection back to the ...
0
votes
2answers
136 views

How does malware install itself as a service without requiring user's credential?

I order to understand malware, I've tried to create a toy-example myself. However, I don't understand how the malware install itself on the computer as a service, without the credentials of the user. ...
1
vote
0answers
31 views

cuckoo sandbox - PID exit

I hope someone could help me I've played with cuckoo for a while however I've just done a new installation and it all works however it will not run the binary i would like to scan. the PID exits ...
-5
votes
2answers
36 views

Can a login page be configured to target specific user [closed]

Can a website be configured to only download malware onto a system if a specific user logs in.
1
vote
0answers
84 views

Does this pdf file embeds an exploit or malware?

So a friend of mine was sent a phishing attack(Which was tailored for him and he fell for it) which also downloaded this pdf file: hxxps://www.dropbox.com/s/qw9mcw9p3pmc5j5/resume.pdf?dl=0 and he ...
2
votes
1answer
89 views

Is it there any way to detect payloads generated by veil framework

While pentesting, I used to generate a malicious payloads using the veil framework. The generated payload bypasses antivirus & infects the target system. Is there any way to detect veil payloads ...
0
votes
2answers
68 views

What processes would indicate my computer is infected with malware?

If one opens Task Manager on a Windows machine and looks at all the processes that are currently running, are there any tell-tale signs that one of them is malware?
24
votes
2answers
2k views

How trustworthy is `sudo apt-get install (package name)` in Ubuntu?

One of the easy ways to install a program in Ubuntu Linux is to type a command in the terminal, but how do I know that the program is coming from a trusted source and not from somewhere dangerous? ...
4
votes
1answer
193 views

Is this VM-sandbox idea a good idea for testing viruses? [duplicate]

You want to look at some viruses, so you use something like VirtualBox to create a sandbox environment. But what if we change that environment a lot? What if we do: STEP ONE: Create a bootable flash ...
4
votes
1answer
153 views

Antivirus constantly detecting tmp files as threats

Recently my antivirus has been constantly detecting threats and it's always tmp files. I delete maybe 50 of these files each day. A few days ago it detected a trojan. Last week it detected many ...
0
votes
1answer
57 views

Test the security of my Linux setup [closed]

I have a Ubuntu installation running in VirtualBox. I have made a few modifications to it (some kernel modules and startup scripts) that I hope would make it very secure. Is there anyway I can test ...
0
votes
2answers
51 views

Is there a full-disk-encryption OR file-encryption solution where a trojan can NOT extract the secret key (e.g. from RAM)?

Is there a full-disk-encryption OR single-file-encryption solution like an operating system or a combination of devices or services ... that make sure that the master-decryption-key can NOT be ...
3
votes
2answers
105 views

How to know the time of compilation

I've read that a malware found by kaspersky was compiled at the moscow time zone. How they know the time of compilation ?
1
vote
2answers
77 views

Malicious email attachments analysis

I have a question regarding incoming emails with malicious attachments on my email server. So, my idea, in my ideal setup, is to have a machine aside running virtualization software. This would run ...
19
votes
5answers
3k views

Is it possible for a file that is non-executable and read-only to run malicious code?

On a POSIX system, is there a possibility for a file which is non-executable and read-only (aka with a mode 444) to run malicious code on a machine? If so, can you explain how it would do so?
14
votes
4answers
1k views

Skype called someone and connected to them with no action on my part. What do I do?

This happened to me today, September 12, at about 6pm. Any ideas about what happened, what's going on, and what I should do? I was at home alone with my 2 year old -- I was feeding her dinner. All of ...
55
votes
7answers
5k views

Is it safe to install malware in a VM

Is it safe to install malware in virtual machines? I would like to investigate malware, but I don't want to infect my own computer. Can I install the malware in a VMWare VM, maybe even without ...
18
votes
4answers
34k views

Can a PDF file contain a virus?

Could a PDF file contain any type of malware?
3
votes
0answers
58 views

All Devices on Network Being Redirected to Malware Download [closed]

I have a curious problem. I received a compromised email from an address on my university's domain. Not realizing it was faked, I clicked a link in the email to a url on my university's domain, and ...
3
votes
1answer
65 views

How To Remove Possible Virus Files

See the original question. Using both AutoRun, where I disabled anything that wasn't verified or highlighted (that seemed suspicious), I looked at Process Explorer and found the above unverified. In ...
5
votes
4answers
257 views

Steps after getting hit with malware or browser exploits on Xubuntu

Well, today I was browsing the internet and I suddenly got redirected to a chinese hosted malware site and firefox started going crazy. I checked the url on virustotal with my phone and it found other ...
1
vote
1answer
258 views

Network setup for malware analysis lab in a corporate view

I am planning to setup a malware analysis lab in the Incident Response team of the company I work for. As I am basically a malware analyst I some how managed to get up with the malware analysis lab ...
4
votes
3answers
827 views

What do I do, I got a virus warning on a webpage

I went to the web address (hxxp://www.asanka.com) (WARNING: BE CAREFUL WHEN VISITING) on Safari, then suddenly I got a warning message [image below] What do I do? I'm freaked out. I have a lot of ...
-1
votes
1answer
74 views

Griefing in the social circles of security experts? [closed]

When I was in college more than 15 years ago, I had some friends who were taking CS degrees with focus on Information Security. These folks knew how to write fuzzers, knew how use ring 0 debuggers, ...
65
votes
6answers
36k views

Should I get an antivirus for Ubuntu?

Considering the recent thread regarding anti-virus for the Mac I wonder how many of the arguments put forth are relevant today to Linux systems, specifically Ubuntu. There are no known Ubuntu ...
5
votes
2answers
95 views

Can malicious software be installed inside Linux swap partition?

Is it possible for a virus of any kind to be installed inside Linux swap partition? If so, could it be transferred to the system even after formatting the Linux partition only and reinstalling the OS ...
8
votes
3answers
21k views

How to prevent my website from getting malware injection attacks?

My website was banned as a malware website by Google. When I checked the code, I found out that some code injected many files on my server. I cleaned everything manually, edited all files on my server ...
1
vote
3answers
106 views

Methods to have multiple Anti Virus installed on one machine

I am running Windows 8.1 Pro, Ideally I would like to have the top 5 Anti Virus installed but I am aware it is not advised as they can clash with each other. I was wondering if there is a favoured ...
1
vote
1answer
90 views

Malware, RAT's and backdoors

Is there any kind of malware or RAT that cannot be gotten rid of by a thorough wipe with DBAN, flashing the BIOS and re-installing OS? More importantly, if you've been ratted and did all these things, ...
15
votes
3answers
3k views

Router being infected by malware

If you connect a computer that is infected with malware (the government grade, kernel infecting, extremely persistent, easily spreadable kind) to a router or modem, can the router or modem or its ...
4
votes
2answers
120 views

Are malicious drive-by-downloads detectable based on file type/mime type?

Drive-by-downloads are automatic downloads without user interaction. We provide a free service for uploading large files and notifying users by email (this one, something like ge.tt or WeTransfer). ...
1
vote
0answers
15 views

Can attempting to extract an encrypted .rar file install a malware? [duplicate]

Recently, I have accidentally found myself on a phishing website that looked extremely similar to another website. From there I downloaded a .rar file and proceeded to extract it. However, the .rar ...
-4
votes
2answers
63 views

php malware file-names [closed]

The following is a list malware php file-names that I found on my server some time ago, looking at the source these were clearly to allow a hacker to take full control of my server. I'm posting these ...
2
votes
2answers
3k views

Is this a valid Windows update page

In my chrome browser if I google for Windows Update the first hit is windowsupdate.microsoft.com/‎ When I click on it I am redirected to ...
2
votes
0answers
87 views

Linux machine continuously transferring data over the network to random servers in china and across the globe [duplicate]

I have been using Linux for about 5 years now but I am not very skilled with the commands to monitor and figure out internal issues. I recently was having trouble with the Internet. My roommates were ...
4
votes
0answers
79 views

Detect malicious content on enourmous multi-site CMS [closed]

My Goal: My hope is to catch pages and content that would be flagged by Google Safe Browsing or others like it, except more proactive than waiting for a crawl by Google or being added to a ...
3
votes
0answers
117 views

Possible Windows 10 Malware [closed]

Data: There are a set of Windows 10 computers. Out of 8 of those computers, three were found to have had the Windows OS altered in an unexpected way. An advanced malware/spyware infection is ...
0
votes
3answers
93 views

How to successfully prevent advance persistent threats

With the topic of advance persistent threats (APT) getting common nowadays, how do you successfully prevent such an attack in the workplace? Do you have to purchase expensive tools, such as those from ...
1
vote
1answer
52 views

Social engineering attacks terminology

Let's suppose that a hacker send an email containing a Word document with a malicious macro to a sysadmin. Does this attack fall under the category of spear phishing?
1
vote
3answers
185 views

how to protect my data from malware/spyware that infected my BIOS?

we all know that some countries do their best to spy on their citizens and the citizen of other countries and that countries maybe have specialized spying agencies wither they are known or not, and, ...
1
vote
1answer
48 views

Terminology involving malware/virus/worm [duplicate]

What is the difference between "worms", "viruses", and "malware"? Some sources I've found said both viruses and worms infect files. But others say worms are stand alone programs, and are ...
0
votes
1answer
24 views

Covert Channel Bandwidth [closed]

I have designed a covert channel using ICMP protocol by making use of the data field when sending pings. I am trying now to analyize the bandwith of this channel but I don't know how. Any ideas?
29
votes
3answers
2k views

Can malware be transmitted via a USB charger plugged into a wall socket?

I have a smart phone that I often plug into a wall socket for charging via a small adapter that rectifies the AC to DC power and transforms the voltage from line (120V or 240V) to 5 V DC, probably ...
-1
votes
1answer
93 views

Website Loading Content from Malicious Sites

I own a website. Now today I find that when I load the site, Chrome shows "waiting for xxx.com" and some other unknown sites. I never added content or links from these sites. The website is running on ...
7
votes
2answers
394 views

Where Does ClamAV Get Its Virus Signatures?

I see that ClamAV has virus definition files which are mostly hash codes in md5, sha1, and sha256 formats, which either look at the whole file or what are called PE sections of an executable file. Of ...