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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What's the Safest Way to Open / View Email Attachments? [duplicate]

I'm aware that opening email attachments is a great way to let malware onto my computer. Friends and relatives often send me videos as attachments, so I'm wondering if there's a way to download and ...
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0answers
126 views

How Skype Click to Call plugin is used to send spam?

My friend had Skype Click to Call plugin installed within browser on Mac OSX. And his Skype account started to send some automatic spam messages linking to lose weight websites (via goo.gl) without ...
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2answers
58 views

How to reinstall Win7 from a D-drive on an infected laptop

The laptop is infected with some sort of bad stuff (virus? Trojan? malware? etc). I am thinking of wiping it clean and reinstal Win7 "from scratch". I am running Win7 from an HP Probook, which has a ...
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2answers
108 views

Bad USB malware and Chrome OS

I have recently been reading about the unpatchable BadUSB and similar malware. I use Chrome OS, which is supposed to be very secure, but could someone with physical access to my system compromise it ...
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0answers
59 views

Detecting Malcode in Excel and Word Documents

There are a bunch of tricks to circumvent potentially malicious macros in office documents you receive. My question is how do I [forensically] detect if there are malicious macros in the documents? ...
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2answers
307 views

Google Chrome on Android constantly being redirected

I have an Android (5.0.1 with December 2015 patches). My problem is with Chrome (latest version as per Google Play Store). Which has malicious redirect going on to ...
27
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2answers
3k views

Identifying the author(s) of a piece of malware

When a new piece of malware appears, people can try to determine where it comes from, and who its authors could be. How do security experts attempt to identify the authors of a new publicly disclosed ...
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0answers
29 views

Access android internal storage for full passive deep malware scan?

Is it possible to passively (with a computer) view/scan all content on an android mobile device's internal storage without crackopen/damaging it? For a deep malware scan of the whole storage of the ...
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2answers
157 views

Difference between antivirus and sandbox?

When reading about how antivirus and sandbox work, my understanding is that an AV scans a file to see whether it matches with known viruses signatures. Sandbox can be used to obtain the behaviors of a ...
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0answers
17 views

Resource of malware source code written in C/C++ [duplicate]

I've started to study malware analysis and have dissected a few binaries. However, I'd like to view the source code of some malware (C/C++) in order to get better insight. I am mainly interested in ...
4
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1answer
71 views

Reducing risk for malware exposure from USB storage devices

I have a somewhat hypothetical situation where I need to re-image a machine using a USB thumb drive, however I cannot be certain that the drive itself is malware free. It is the only thumb drive that ...
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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 ...
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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 ...
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1answer
123 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 ...
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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. ...
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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 ...
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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.
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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
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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 ...
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2answers
69 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?
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2answers
53 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 ...
4
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1answer
60 views

How do I use a directory of YARA files?

I'm going through the Malware Cookbook PEScanner and they want a path to my YARA files to search on. I currently have a directory full of YARA rules for known pieces of malware. What would be the ...
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2answers
79 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 ...
4
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1answer
159 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 ...
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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?
4
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1answer
194 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 ...
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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? ...
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0answers
59 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
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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 ...
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1answer
75 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, ...
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2answers
100 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 ...
27
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3answers
1k views

Are .dll files normally found in system32 but now in a user’s AppData folder always suspicious?

I recently had to read over some malware reports and associated logs for a confirmed malware detection and subsequent infection of a Windows asset. The logs clearly show .dll files in a user’s AppData ...
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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, ...
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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 ...
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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
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2answers
123 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). ...
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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
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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
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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
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0answers
118 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 ...
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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 ...
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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
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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
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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?
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33 views

Where can I find a dataset of URLs of websites that diffuse malware? [duplicate]

In order to study some malware detection algorithms I am developping in my PhD, I would like to know where I could download a list of malware websites. Thank you
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2answers
404 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 ...
0
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1answer
89 views

How do I remove a metasploit infection?

My brother in law sent me a link in a Facebook PM for dummy me to click on. I did, nothing happened, I thought nothing of it. Well he told my husband since I clicked on it he can now hack my Facebook ...
8
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2answers
341 views

Can a malware infect just by right clicking?

Someone I know got infected. He sent me the file to analyze. I downloaded the zip and it contained a scr file. I unzipped it and right-clicked to open it in Notepad++. It immediately got quarantined ...
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2answers
156 views

Implications of Intel's SGX extension for malware detection and white hat reverse engineering

Intel's new SGX extension is concerning. It allows the programmer to create enclaves in their program where the data is encrypted until it is used. This is apparently supposed to be used for cloud ...
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1answer
113 views

Can Malware Infect Hardware/Firmware

So, my MacBook Pro packed it in over the weekend after I drunkenly vomited all over the keys. I brought it to the Apple store (without the hard drive installed) for an assessment. The results of this ...