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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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 ...
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2answers
168 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?
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5answers
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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 ...
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2answers
275 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 ...
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2answers
3k 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 ...
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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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2answers
139 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 ...
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3answers
92 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 ...
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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 ...
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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', ...
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0answers
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How to disable Symbolic link creation option to users in cPanel server? [closed]

In shared hosting server, one user is trying to upload 100s of symbolic link files and trying to access files out side. Mostly it is for malicious purpose. In this image, you can see 100s of symlink ...
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2answers
97 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 ...
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2answers
3k views

Does Reinstalling windows ensures removal of all malwares/spywares/virus/rootkits etc? [duplicate]

If I re-install Windows, will it ensure that all types of malware/spywares/rootkits and any other malicious software are removed from my laptop?
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7answers
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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 ...
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7answers
2k views

Pursuing a career in Malware Analysis

When I was a kid, I want to become a Malware Analyst and work in a Antivirus company. At that time, I love to try out different antivirus solutions and did a research project on Computer ...
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3answers
2k views

Possible to detect packed executable?

A packer is a way of obfuscating an executable program, i.e., transforming so the result is still executable and has the same effect when run, but looks different (so it won't be detected by static ...
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1answer
90 views

Stuxnet - The background functions [closed]

Stuxnet was a clever worm that aimed to malfunction programmable logic controllers on nuclear networks (Iran was the most affected). Nuclear networks were private networks, not supported on Internet ...
22
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3answers
2k views

Linux-based Turla trojan

There are several articles describing the newly discovered Linux-based Turla trojan. But basically, all these articles repeat the same, very limited, information. Can anybody provide more details, ...
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1answer
137 views

How to detect an image virus?

How can someone detect a malicious code, executable or not, inside an image file ? What techniques and what programs are out there that will help you for the detection procedure ? This question is a ...
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32 views

Can you get infected by viewing an image? [duplicate]

Lets say I have an infected image by some malware, I double-click it and that triggers the default program that handles images to open it for viewing. Will this also trigger the malware inside the ...
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1answer
78 views

What are the heuristics for a malicious url? [closed]

I know that there is nothing like a safe website ,any website which is safe today could be hacked and its visitors could be served with latest malware. What I'm curious about is what checks can we ...
11
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5answers
2k views

Detecting malware-infected USB drives

I'm about to distribute some relatively cheap promotional usb drives to some of my company's clients. I'm fairly confident the company I purchased them from wouldn't intentionally implant malware on ...
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2answers
183 views

How to wipe potentially infected SSD?

I recently fell victim to some Adware (and possible malware). I was installing Firefox and clicked an ad link in Bing and downloaded a "packaged" Firefox install. I believe the ad is still at the ...
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2answers
74 views

Detecting malicious domains/URLs [closed]

Do state of the art commercial URL threat intelligence feeds ( for example, one's by Symantec, Intel-security etc) miss malicious domains? (i.e. domains serving malware,exploit code & phishing ...
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2answers
286 views

using html5 websockets to bypass firewall TCP policy

I've read that html5 enables opening tcp sockets from the client side in its "websocket" feature. Firewalls as I recollect may be configured to block tcp connections initiated from "the outside" by ...
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0answers
78 views

Is it necessary to protect ATM pins against malware that has no access to the physical card? [closed]

I understand that various types of malware attempt to steal ATM pins . Presumably the attackers have no access to the physical card, so what can they do with the pin? In this case, is it needed to ...
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1answer
199 views

Malicious JavaScript warning [closed]

I visited a site yesterday and received no malicious javascript warnngs. Today I visited that same site and got the warnings. Do I need to be worried about being infected with something?
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2answers
227 views

What are ways I can analyze malware in an infected machine, not just clean it?

I often run into infected devices in my environment and would like to learn more about the specific infections that have gotten in. What are the best tools and techniques I could use to do this? I ...
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1answer
107 views

Malware (internet connectivity) and defending against it

I was wondering whether anyone knew if malware could spread without internet connectivity? Also, can you defend against malware by releasing counter-malware that spreads exploiting the same ...
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2answers
84 views

Researchers figured out how to transmit/exfiltrate data using heat

I read article about it here and it says: Researchers at Ben-Gurion University have created a new piece of malware called BitWhisper. Infected machines can transmit data using heat they ...
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3answers
211 views

Besides MBR & BIOS, is it possible for a rootkit to stay persistant after a format of the harddrive?

If a system becomes infected and does not have any other storage units besides the one hard drive. Is it there any other way for a rootkit to stay on the system besides infecting the BIOS OR the MBR ...
21
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2answers
3k views

Can a Trojan hide itself, so its activity doesn't appear in task manager process? [duplicate]

Can malicious software hide itself, so its activity doesn't appear in the list of processes from Task Manager? Can it hide itself so when someone is controlling your computer, even if you open Task ...
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0answers
32 views

Website Link in Signature corrupted while transmission [closed]

We placed our website link in our email signature for last one week. This link apparently converted into something corrupt, so all our mails gets bounced. We scan our web server files using ClamAV ...
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1answer
203 views

At what criteria should an unpatched machine be considered hacked? [closed]

Since every machine connected to the Internet requires security patches, there is a window of time in which those updates have been released and those machines haven't yet been patched. It is ...
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2answers
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How can I detect mode interface of other machine is promiscuous [closed]

I have a project that is to protect my box from attack man in the middle arp poison. I should detect if interface mode of other machine is promiscuous. I must write script python or command linux.
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1answer
48 views

Can standalone malware survive on current mobile devices? [closed]

Can malware run on mobile devices? I don't see how it would be able to (given that those devices have fine-grained permissions and sandboxing). Unlike on a desktop OS, malware cannot access registry ...
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0answers
162 views

Discovered unexplained large salted files in root folder on Linux, possible keylogger?

So I had Linux Mint running on my laptop, just installed it a month ago. It has a small hard drive, just 160gb, and I noticed shortly after installing the system, it ballooned to 80-some gigabytes ...
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Request for links to worm source code [closed]

From where can you download worm source code? Need it for a project i am doing on honeypots. It does not matter whether it is a windows or linux worm.
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2answers
214 views

Hack: anymonous URL on my Joomla Website[Resolve] [closed]

My website has been hacked again. There are many foreign URLs such as here. I've checked the database and there is nothing strange in my database. Does anyone know what kind of hack attack is like ...
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2answers
137 views

Does Android have sufficient app sandboxing?

In a previous question in InfoSec, I asked about how to determine the safety of a sideloaded Android app that requires root permissions. Now I would like to ask a related, but different question: Is ...
10
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3answers
382 views

CSP Reports: Ignoring Client Malware

I'm seeing a lot of Content Security Policy (CSP) reports raised because of client-side malware. Many have "blocked-uri" entries like randomstring.cloudfront.net, something.akamaihd.net and so on. I ...
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8answers
2k views

Best practices for handling computer viruses

I realize this question may be quite broad (and hopefully not a violation of the FAQs), but I'm interested in hearing how many of you handle a computer infected with Malware. In a small-to-medium ...
0
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1answer
51 views

uploading photos to cloud from an infected device [closed]

My computer is infected with Malware and (shame on me) of course I didn't back up my photos or word docs. I also happen to know almost NOTHING about computers. Is it possible to upload photos to cloud ...
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1answer
369 views

Questions about the 2013 php.net malware

On October 24th, 2013, the admins of the famous php.net website said that their website delivered malware to its visitors using a drive-by download attacK. I have several questions about this malware, ...
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4answers
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What are JS malware attack techniques?

Malicious JavaScript (generated by malicious hosted PHP code for example) can lead to attacks. What are the types of attack that malicious javascript could perform? Are the drive-by download attacks ...
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0answers
24 views

How JavaScript malware targets browsers? [duplicate]

What are the main components that JavaScript malware targets on the browsers ? Which aspects of browsers on which JavaScript takes advantage to exploit them ? And which techniques are used by ...
0
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1answer
1k views

How can I detect whether a webshell exploit has been run?

My forum was running MyBB 1.6.10 and maldet found a JPG file with the webshell by Orb malware code at the end (php.cmdshell.unclassed.352). I'm using nginx and had secured against arbitrary files ...
11
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2answers
2k views

Where do I find JavaScript malware?

I am looking for JavaScript malware. I need it just for local tests on my computer for a project I am working on. Are there any Internet resources where I could find this?
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5answers
5k views

Are there actions taken against websites that deliver malware?

There are serious tools and services such as Google Safe Browsing for malicious and phishing websites, and others fully dedicated to phishing websites such as Phishing.org. What is done against these ...
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1answer
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Is this behavior the result of malware?

I have setup a new set of servers to test a software in Amazon EC2, and had set up my application. I've given it public access and a DNS entry, so its easily reachable by those that need to test it ...