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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2
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1answer
220 views

How does Cryptolocker propagate?

One of the computers in my office has been compromised by Cryptolocker. Once informed, my immediate response was to disconnect the computer from the network - though there was a period of a few hours ...
-3
votes
1answer
46 views

Virus that scans hard drive for utility bill + ID? [closed]

Is it possible a virus or malware could scan a hard drive to find ID documents etc and upload them? Randomly some old files were re-uploaded to Dropbox without any updates to them or modifications. ...
1
vote
0answers
66 views

unsolved issues with dynamic malware analysis? [closed]

I am trying to identify some known unsolved issues currently present in Dynamic Malware analysis. Going further I plan to work on resolving some of the identified issues. After reading some research ...
4
votes
2answers
237 views

Reaction to spam from acquaintance

It often happens that I receive an email like this: From: acquaintance@herbal-viagra.com To: me@domain.com Hi, me@domain.com -- Check this out: http://herbal-viagra.com -- ...
4
votes
2answers
277 views

Is this powershell script an infection?

While I was sitting in front of the computer not using it,my Windows 10 machine quickly flashed a few terminal windows, and then gave me a Windows Security popup, asking for my password. I have no ...
2
votes
2answers
144 views

How to track down and remove Mac malware that is calling out?

Little Snitch periodically brings up a dialog that says: Terminal via node wants to accept an incoming connection from X on port 3000 (remoteware-cl). X are different IPs in eastern europe. A full ...
98
votes
8answers
67k views

How secure are virtual machines really? False sense of security?

I was reading this CompTIA Security+ SYO-201 book, and the author David Prowse claims that: Whichever VM you select, the VM cannot cross the software boundaries set in place. For example, a ...
21
votes
3answers
1k views

Are official browser add-ons really safe?

Almost any browser addon/extension that I install on my Chrome or Firefox (be it Firebug, RESTClient, ...) warns me, saying: It [the add-on] can: Access your data on all website Access ...
3
votes
1answer
67 views

How to verify .plist and .kext files are legitimate?

While scouring through tons of logs generated during an audit of a Mac filesystem after a potential malware infection, and I am wondering if there are any better ways to verify that all kernel ...
0
votes
2answers
167 views

Many suspicious requests are going from my browser whenever open any site

Whenever I open any site there are so many suspicious request are shown in my network panel of browser. I scan my system with many antiviruses too, but still facing the same issue. And sometimes I ...
0
votes
2answers
139 views

Malicious favicon icon?

Is it possible for a favicon icon to be malicious so that you get the virus by just looking at the icon in the search results of a search engine like DuckDuckGo that displays the favicon icons for all ...
2
votes
1answer
183 views

running botnet for analysis

I a very curious to understand botnets practically. I want to run a p2p botnet (storm or waledac) for analysis and learning. I have mainly two issues: Where can i get access to binaries of either ...
3
votes
1answer
68 views

Host based code injection defense vs anti virus?

Recently I came across a paper titled Host-based code injection attacks: A popular technique used by malware. Another paper titled "Bee Master: Detecting Host-Based Code Injection Attacks", suggests ...
41
votes
5answers
11k views

Accidentally came across the source code for some malware, what to do?

I accidentally, the other day, went to a dodgy site, and today I discovered that in my cache there lay a text file. And after reading the contents of the file, I have deduced that it is the source ...
2
votes
1answer
261 views

Can a hacker use someone else's IP address when running a scam?

I have a friend who works on a ship currently in Accra, Ghana. We do video chats but his system is extremely slow and sluggish. There have been times where our only form of communication is IM. A ...
3
votes
3answers
320 views

Is it dangerous to have the built-in Administrator account enabled?

I've seen it said that when using the built-in Windows Administrator account, the best practice is to enable it (net user administrator /active:yes), use it, and then disable it. I do realize it's a ...
1
vote
2answers
106 views

Can virtualization protect me from an infected BIOS?

As you know, there are attacks on the firmware of BIOS and HDD. What if I used some kind of VMS, maybe VirtualBox? Will this protect me from an already infected BIOS (and by that, I mean, no one can ...
23
votes
6answers
11k views

How do I safely inspect a suspicious email attachment?

I received a pretty blatantly spammy email to my Gmail account. I'm not really sure how it made it through the spam filters, since it has all of the telltale signs. The FROM field is spoofed as ...
2
votes
1answer
82 views

How long does it typically take to distribute malware signatures?

Are there industry-wide measures that identify how long it typically takes to identify, develop and distribute new malware signatures? I want to understand how long organizations are typically ...
1
vote
2answers
98 views

Confused about whether or not I'm infected

I want to upgrade to Windows 10 (I have 7) and then probably do a clean install as well. I'm not sure because I'm really confused now. I don't know what to believe anymore. It's very important to know ...
4
votes
1answer
185 views

Can source javascript files be infected from a developer's machine?

First a little bit of background, About two weeks back one of the developers in my team said they were seeing advertisement popups and links appearing all over the web app we were developing, when ...
0
votes
2answers
430 views

What is the purpose of this malware code?

This is the code that I found on my client's website: ?><noindex><nofollow> <iframe src="htxp://atluscomdnsup23.ikwb.cxm/main.php?page=1f1214ff37a3022d" height="0" width="0" ...
1
vote
3answers
137 views

Gaming Mods Security Risks

I read the following post, and while the questions was specific to SkyRim, the more general answer was that it depends on the game. I wanted to pose a more generic question here to the security folks. ...
4
votes
2answers
132 views

What is a “roving” backdoor?

What is a "roving" backdoor? I understand the general concept of a backdoor. Emphasis on keyword qualifier: "roving"...
3
votes
2answers
204 views

My IP address switched suddenly and then switched back

Sometimes I look at the login history of my blog account (a Tumblr blog) to make sure no one else is logging in (because I have private posts that I want to keep private). Even though today I ...
2
votes
2answers
723 views

How safe are Firefox addons from official mozilla.org site?

I would like to install the Dictionary Pop-Up addon for Firefox. I usually don't install any addons, but this one looks especially tempting. I could not find any information on the Mozilla page, ...
6
votes
7answers
11k views

How safe/secure are banking applications on Android phones?

I have a mobile banking application installed on my phone which allows me to pay for things, transfer money using my phone from my account to another etc. How safe or unsafe is this application? For ...
5
votes
3answers
255 views

Does Gmail's 'preview' feature for documents in the browser prevent malware?

I'm concerned about opening attached Word documents and other files (images, PDFs, etc). Gmail has a feature that previews these in the browser for you in a popup, without leaving the Gmail screen - ...
11
votes
1answer
212 views

New social engineering tactic that uses printer serial numbers?

We have been getting a new kind of scammer-esque call every couple weeks here at the office (I work at an enterprise web application development company). Basically, the flow of events is this: ...
4
votes
1answer
356 views

Why did this attack use 0.0.0.0 as IP address and why did it work?

Working through this exercise in network forensics, the attacker used a buffer overflow exploit to send commands to the victim's command prompt. The commands open an FTP session and download some ...
5
votes
2answers
198 views

A compromised USB

Assuming that a given USB drive is compromised(infected), what's the best way to deal with it? I mean, obviously, the solution is to nuke(format) the drive. But for that, the device needs to be ...
4
votes
2answers
6k views

Security Alert - Office File Validation - how to decide whether to proceed?

Recently, when opening a Microsoft Word document that came from a trusted source, I received the following warning message: The warning message is titled "Security Alert - Office File Validation". ...
3
votes
1answer
371 views

Rogue WPAD server attack

Today I encountered something I have certainly not seen before first hand. Our IDS blocked some outbound traffic attempts from 5 servers with no WAN access. This traffic was leading to an inactive ...
4
votes
0answers
171 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 ...
2
votes
1answer
528 views

What's with the Facebook malware which posts obscene posts in all the groups? [closed]

How to get rid of the Facebook malware which sends pornographic posts in all the groups you belong to? I always made fun of people who became victim of this malware/virus saying they are not cautious ...
6
votes
2answers
2k views

Can a piece of malware/virus inject itself into an ISO

Let's say that I have an infected PC. I download a copy of the Windows ISO(obviously clean) and burn it to an USB. Is it possible that the malware on my computer can inject itself in this process/ISO ...
32
votes
3answers
46k views

Can you get virus just by visiting a website in Chrome?

I've recently read Google Chrome: The End of Drive-By Downloads. Is it true to say that drive-by-downloads are history in Google Chrome? So if I have a link (from a spam email) I can right-click >> ...
1
vote
1answer
105 views

How do I track IPs my computer is accessing?

Month or two my Mac OS machine in ~5% cases goes aviasales.ru instead of imgur.com links that I click. The history in newly opened tab has only the current Aviasales URL, and the link I click looks ...
39
votes
4answers
6k views

Have computer criminals been known to exploit easily-edited websites like Wikipedia to embed malicious scripts?

When I was reading a page on Wikipedia several months ago (December 2014) I saw what looked like a pop-up window from BT, but I soon realized that when I closed the page the pop-up disappeared. I then ...
0
votes
1answer
217 views

Does CryptoWall needs a internet connection to encrypt my files?

Does CryptoWall 3.0 use some resource on the internet to encrypt my files? I watched this video on YouTube - in this video a tool is used to sniff network traffic and find information about ...
2
votes
1answer
77 views

Patching Mac DMA attack

I want to know a few things about the blackhat attack that attacks thunderbolt. Is there anyway to wipe or patch a currently infected computer? I am not versed per se in THAT level of security. I was ...
9
votes
1answer
9k views

Looking for URL Blacklists of Malicious Websites [closed]

Is there a maintained list of URLs that contain malicious content. These URLs may be involved in Phishing, Scams, Viri, or other Malware. Please indicate in your answer if the list is freely ...
3
votes
3answers
389 views

How to avoid fake “Windows Virus Alert”

I was recently browsing online when I came across this page: When I chose to close the tab, I received this message: And after choosing "Leave this page" twice, I receive this message: ...
0
votes
1answer
140 views

Can a ratter use your webcam undetected? [duplicate]

The Black Hat conference (I wasn't there) had a session on "ratters" (RAT for Remote Access Trojan) who take illicit footage of users (usually female) by hijacking their systems. The question I have ...
2
votes
1answer
471 views

Is there any known encrypting ransomware that attacks Macs?

Just about every article I read about Cryptowall, Cryptolocker, and its ilk seems to assume that the reader is running some flavor of Windows. When I Google "ransomware OSX", I get a long list of ...
2
votes
1answer
616 views

JS malware detection

Is there a way to detect a malicious JavaScript code within a webpage before the script runs on my computer ? I want to develop a Python script that prevents from 8 JS malwares that I can embed on my ...
3
votes
1answer
183 views

Can malware spread via bluetooth file transfer in Android?

I am aware of some malware that spreads when two devices are paired using Bluetooth; but can malware spread when sending a clean file to someone or receiving it via bluetooth ? If so, does it need ...
1
vote
1answer
55 views

Detecting the source of dll injection

Is it possible to determine the process that performed DLL injection against a victim process?
3
votes
2answers
293 views

Is it possible for malware to be in the BIOS or in hardware?

Is it possible for malware to be written in the BIOS section and loaded on every fresh Windows Install? If it is possible, can this affect Linux (Ubuntu and others) operating systems as well?
1
vote
7answers
5k views

Malware ad.adsmatte infection

My PC is infected with malware, whenever I open a webpage and click on it a new tab opens on "ad.adsmatte.com". I scanned my PC with Malwarebytes but was unable to resolve the problem. So I ...