1
vote
2answers
74 views

Will Ad Block Plus block the ads that give someone Cryptowall 2.0?

Now I already know that making sure your browser plugins are either non-existent or up-to-date is one way of being on the safe side against ransomeware like Cryptowall 2.0; but since clicking ads are ...
2
votes
2answers
56 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
42 views

using multiple Firefox profiles to increase security

I am wondering whether it would increase security in any significant way, if I would use two separate Firefox profiles, one for normal browsing and the other for private/secure websites, such as my ...
1
vote
1answer
82 views

Is it possible to compromise Bing to redirect user to a malware?

I just got a new laptop and the first thing I wanted was to install Chrome. I opened IE and searched for "google chrome" in Bing. The first result was an ad with the link pointing to ...
4
votes
2answers
1k views

Could a malicious JS file pointed on URL/URI attack the browser/computer?

I found some website blacklisted on Google. I mean when you try to visit them, you get something like shown on this picture: After a small search, I found that some of them have a malicious ...
1
vote
1answer
40 views

What are the webmalware effects on Windows XP?

I am redirecting URLs to a virtual machine (Windows operating system) to check if there is malware on the website i want to visit (JavaScript attacks, drive-by download attacks, infected pictures/PDF ...
1
vote
1answer
116 views

Why do sandboxing environments not rely on antivirus programs?

Since years ago, miscreants use JavaScript to craft web malware attacks such as drive-by download attack that is used for example to install the famous CoolWebSearch virus. There are static methods ...
0
votes
1answer
66 views

Is installing malicious add-ons via drive-by attacks the only way to add new toolbars to browsers?

Some attacks on web browsers consist in installing new toolbars on the browser of the user (which is just a small aspect of browser-hijacking. My question: is installing (malicious) add-ons (via ...
0
votes
1answer
96 views

How can a browser hijacking attack change the browser's default homepage?

Some attacks on web browsers consist simply of advertising, so the default homepage of the browser is changed (which is just a small aspect of browser-hijacking). My question: is installing ...
5
votes
2answers
273 views

Exactly how secure is VM browsing?

I generally do all of my web browsing in a VM. I have one "safe" VM running Ubuntu that has guest services installed. I generally only go to sites I deem are trustworthy here. I also have an "unsafe" ...
0
votes
1answer
47 views

are webmalware able to hijack browsers?

Are webmalwares capbale of performing browser hijacking attacks ? Has there been any famous webmalware that functioned this way ?
1
vote
2answers
69 views

Can a drive-by download attack crash the OS?

Are there cases where a serious drive-by download attack could crash the operating system or the browser ?
0
votes
2answers
102 views

Can malware cause firefox to send GET requests?

Is it possible for a site to host malware such that if a certain page is accessed, Firefox is made to send additional GET requests? I'm seeing traffic for attacks coming from me that I haven't done. ...
1
vote
3answers
137 views

Where do suspect requests from logged-in users to my website come from?

I have an ASP.Net MVC 4 web application that is hosted on a Windows 2008 server. The application is secured by a custom ASP.Net membership provider. Only users who are granted permission by the admin ...
1
vote
1answer
68 views

How can I view the contents of a web page without running malicious code? [closed]

I received a strange email which has some strange URL in it. I would like to know what is "behind" the url, but without the risk of running anything malicious. How can see the contents of the URL, ...
0
votes
1answer
173 views

Java Drive By & Stub - Explanation [closed]

I have been trying to make some extensions for chrome lately to block some unwanted stuff. I have also been searching for quite some time to find what a JDB does.So , the applet downloads a file , ...
2
votes
1answer
88 views

Windows: Any method to enforce user confirmation before the browser opens a URL requested by an external desktop app?

A robust outgoing firewall will protect against desktop applications directly connecting to the internet without your permission. However, as the browser is a generally authorized application for ...
15
votes
3answers
736 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 ...
2
votes
1answer
387 views

How Browsers prevents Malware and Phishing attacks

I want to know how phishing and malware protection features are implemented in modern browsers like Chrome, Firefox, IE etc. Are these features heuristic based, or do browsers maintain a list of ...
4
votes
4answers
2k views

Is online banking more secure on iOS than a desktop computer?

Does Apple's iOS provide a more secure environment for online commerce (banking or shopping) than Windows or Mac OS X? Since the only software that can run on iOS must be vetted by Apple, the ...
4
votes
1answer
417 views

How dangerous is a virus introduced to a malicious website in chrome?

I am using Google's Chrome browser under Linux (Ubuntu) 64 bit for web browsing. If I a virus uses for example a leak in the flash player, the virus will get the privileges of the user who started ...
1
vote
2answers
2k views

How is it possible that a virus can infect the system if the browser is started with non-admin rights

If I open my web browser (for example firefox) in Windows 7 with activated UAC as normal user (non admin) a virus - which uses a security leak in my browser - will only gets privileges of the normal ...
2
votes
3answers
404 views

How hard it would be to infect a system with malware through a portable web browser

If I use a portable web browser on a USB device like Google Chrome Portable how hard it would be to get infected by a malware/virus in the system to which the USB device is connected? Google Chrome ...
15
votes
3answers
841 views

URL Shortening - How to verify if it is a non-malicious URL?

Again, I must mention that I have just started to learn about security. So, please bear with my newbie questions. If I receive a shortened URL from somewhere, say in an my-email or in a social media ...
5
votes
1answer
738 views

When and Why does Chrome display malware detection warning?

Google Chrome contains malware detection feature. When user visits some site, browser may display warning that site contains malware. What does it mean that site contains malware? Does it mean that ...
20
votes
2answers
2k views

From a technical standpoint, how does the zero-day Internet Explorer vulnerability discovered in September 2012 work?

I'm looking for an answer that explains the issue from the prespective of a developer/engineer. What is exactly being exploited and why does it work? Please note that I am not looking for ...
5
votes
3answers
4k views

Javascript Malware: How does it work, and how can it be mitigated?

I am wondering how malware gets served through Javascript. I've noticed a few illegitimate pop-ups while visiting some financial websites. I wonder how malware exploits work against the application ...
3
votes
2answers
557 views

Why do I get AV alerts when browsing a web page?

I'm using the latest version of Firefox and Windows is up to date. When I was browsing a webpage and clicked a link the browser displayed "connection has been reset" and AVAST poped-up saying "Alert!" ...
0
votes
1answer
391 views

How securely use Firefox Add-on to prevent steal data?

Some videos on YouTube demonstrate how a Firefox extension can collect login information used to login to websites such as Facebook. After installing this tool/malware as Firefox Add-on, I observed ...
10
votes
2answers
362 views

How do you visit a link without risking your computer?

I got a link from: http //61.19.247./~naowit/dustin.html (removed the last digits so you don't accidentally click it! (they were 192)), which was masked as a youtube.com link via email. Now I'm not ...
4
votes
2answers
512 views

Can one get infected through visiting a site with a PHP script on it and if yes, how?

I can imagine a clientside JavaScript that gets executed in a vulnerable browser to do some harm, but how can this be done with PHP? Since it's serverside it shouldn't have access to the visitor's ...
6
votes
3answers
2k views

Any additional security with large blacklisting hosts file?

I run Windows with a pretty hefty c:/windows/system32/drivers/etc/hosts file obtained from http://winhelp2002.mvps.org/hosts.htm. I update this file as regularly as I remember and layer it with ...
3
votes
1answer
185 views

How can I assess the trust worthiness of a browser add-on?

Having learned a bit more about what add-ons/extensions can do in Firefox, I want to minimize my risk and use some safer mechanism to download videos (FLV in particular) for later viewing. ...
17
votes
6answers
2k views

What are the security implications of people downloading addons, wrongly thinking that they are safe?

I recently learned about a plugin for Firefox called Fire Sheep, which was featured on the Security Now podcast. I downloaded F.S. and began examining it. To my surprise it includes C++ code that must ...
11
votes
4answers
528 views

Unknown malware, how to report it and whom to report it to?

I'm a professional Windows system administrator, but I've been caught off-guard (or maybe some malware writer has been very clever) and I caught some unknown malware on my home computer (Windows 7 x64 ...
1
vote
1answer
500 views

Firefox Desktop Shortcut Being Renamed

On my Vista PC the Firefox shortcut icon is being randomly renamed. The name changes to some variation of a recently visited URL. This unwanted action has survived several version updates. Of course I ...
6
votes
4answers
444 views

What abuses can an infected webpage do to me if I'm using Chrome and Flash is disabled

as a follow-up to this question Can you get virus just by visiting a website in chrome., I've read these pages: http://www.straightsectalk.com/?p=47 ...
22
votes
2answers
16k 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 >> ...
4
votes
4answers
3k views

Browser hijacked - how to fix and prevent?

For the second time in a month, my work PC has been infected with malware that is hijacking my Google search results in Firefox. A search for the URL hijacked searches end up at turns up nothing on ...
5
votes
7answers
393 views

Malicious Websites

Just wanted to get everyone's opinion on this. In Information Security, you get various alerts about particular machines on your network going to sites and/or IPs that have been flagged as ...