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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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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6answers
8k views

Can i get 100% protection from virus by using Deep Freeze?

I have recently installed an application called 'Deep Freeze' that works by "freezing" the state of an operating system and working off delta disks. Rebooting deletes the deltas and reverts back to ...
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5answers
3k views

Is it possible for a phone to be transmitting even while turned off and the battery removed?

Is it technically or theoretically possible for any part of a mobile phone's circuitry to be still on and transmitting even while turned off and the battery has been removed? If so, how? I am ...
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4answers
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How can I detect backdoors?

I have a machine running Mac OS X and I suspect there may be a backdoor installed. I know that I could take it to a professional security firm for analysis, or nuke it from orbit, but I'm interested ...
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6answers
479 views

How to protect the company VIPs

Environment: small engineering company (<50 employees) and everyone is local administrator on their computer, including everyone in the management group. Setup: Some standard security features are ...
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4answers
1k views

Can malware hide their network activity from Resource Monitor (perfmon)?

Is it possible for malware to hide their network activity from tools like the Resource Monitor that ships with windows? How much effort is it for a malware developer to implement such functionality? ...
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3answers
837 views

Phishing virus found on server

I recently had a call from BELL concerning a virus on our Linux ( Debian ) Server. Apparently Google emailed our client about an Italian Database found on our server that was doing phishing. They ...
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Scanning for files than have been encrypted by CryptoLocker

I am just asking in case someone has already done the analysis. A customer has a large set of network drives that were mapped to a CryptoLocker infected machine. The infection itself has been treated. ...
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2answers
2k views

How would I go about rebuilding the IAT of a packed executable?

When executables are packed with a tool such as UPX, the real code and data sections are encrypted or obfuscated, then loaded into memory using an injected decrypter stub. This makes static analysis ...
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1answer
597 views

Downloading suspect files into quarantine?

Are there any tools out there or methods available to download a suspect file for analysis without having to worry about being infected?
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3answers
5k 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 ...
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4answers
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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 ...
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2answers
263 views

What applications are at risk from “Backwards Unicode Names” and what are the mitigations?

There is a vulnerability where some applications (such as explorer.exe) respond to Unicode characters that change the direction of the text (right-to-left vs left-to-right). This may be used to mask ...
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7answers
429 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 ...
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4answers
671 views

How to keep Mac secure from viruses, malware and keyloggers?

How can I download and install software and make sure that it is not infected with viruses, malware or a keylogger? Also, I heard that Macs "don't get viruses". Is this true? Is it a good practice to ...
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2answers
308 views

Do Javascript malware signatures exist?

Are there signatures for malicious JavaScript codes as they exist for other viruses/worms/trojans developed in other programming languages ? If so, are these javascript malware signatures defined ...
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1answer
2k views

Hiding process from Task Manager [closed]

What technique is used to hide a process from Task Manager? I'm currently researching ways I can do this in C++. Is this process called hooking? ...
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1answer
952 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 ...
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4answers
16k views

How to prevent my website from getting malware injection attacks?

My website was banned as a malware website by Google. When I checked the code, I found out that some code injected many files on my server. I cleaned everything manually, edited all files on my server ...
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2answers
772 views

How to detect infected machines on my wifi?

I currently live in a building with around 40-50 other tenants (mostly students) and we all share one connection to the Internet using one of 3 wifi routers that are spread throughout the building. ...
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1answer
118 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 ...
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1answer
153 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 ...
5
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1answer
656 views

Can I isolate a specific computer on my network?

My brother gets malware infections practically every week. Apparently he had a infection over the past 24 hours, I only noticed it because I checked the router logs and saw a massive amount of network ...
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2answers
154 views

How can a font be used for privilege escalation?

Recently Kaspersky released an analysis of Duqu 2.0 and apparently the malware used a True Type Font File to exploit a critical vulnerability (CVE-2011-3402) to "jump directly into Kernel". I haven't ...
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1answer
859 views

ISP glitch or a malware? Has this ever happened to you?

Brief background: I consider myself a relatively paranoid power-user, if not an absolute pro. I regularly update my AV and keep up with all the latest updates on my Windows7 machine. But what happened ...
5
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1answer
333 views

Exploit SoakSoak injected in Wordpress

I have recently received an attack to my website and Google is warning visitors to not load the page. The malware is located in wp-includes/js/swfobject.js of my Wordpress and I had deleted it but ...
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2answers
247 views

Average time before a malware gets detected in the world

I am actually working on a scolar presentation about Careto malware. I was really impressed by the time it took to discover it (at least 6 years, according to some compilation stamps), so to improve ...
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1answer
159 views

Integrity check against package repository?

I have a Debian installed. When there are security updates, I review and install them as soon as possible and think about using automatic updates. From time to time I want to boot from a clean boot ...
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2answers
139 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 ...
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1answer
849 views

Are the top ten flashlight apps maliciously stealing data and sending it to China, India, and Russia? [closed]

There's an interesting report from a company called SnoopWall that is detailed in this YouTube video from a Special Report with Bret Baier with Fox News. In the report "Cybersecurity Expert" Gary ...
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1answer
600 views

Google Chrome browser warning for goo.gl

I am getting the solid red screen Chrome browser malware warning for Google's own URL shortening website, goo.gl as well as other sites such as bit.ly and delicious.com when I try to navigate there ...
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1answer
86 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 ...
5
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1answer
407 views

Cufon or Prototype as an attack vector for Blackhole exploit kit?

I've been asked to look into the security of a client site that's apparently throwing antiviral messages when visited. Specifics: It's being detected as a Blackhole exploit kit inside of a Cufon ...
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1answer
449 views

In the light of recent information about RarVM, can we still trust RAR files?

See: http://blog.cmpxchg8b.com/2012/09/fun-with-constrained-programming.html https://github.com/taviso/rarvmtools It would seem according to these two sources that rar files can contain custom ...
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1answer
3k views

What can I do to make sure my computer isn't infected with FinSpy?

What steps have been taken by common free software OS distributions to protect against it? What can Windows users do? What ways are there to rid a system of it?
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3answers
156 views

find if 0-day flash bug was exploited (on a particular machine)

There have been several critical 0-day exploits in the past days/weeks in Flash alone. Nobody knows how long the 0-days have been exploited, and it is reasonable to expect that there are 0-days being ...
5
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2answers
131 views

Are malware detection rulesets publicly discoverable?

I am uncertain about how public malware detection rulesets are? By a "ruleset" I mean the rules, usually written in Yara, that malware detection engines use to determine whether a file or memory ...
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2answers
2k 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 ...
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5answers
401 views

Why wasn't the flame malware flagged by firewalls?

Why didn't any firewalls catch the flame malware siphoning out all of that data? I thought there was firewall software that looks for "suspicious" activity?
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3answers
2k views

How to check if URL/ IP belongs to a zeus bot

I have a set of URL's which might be Zeus hosts / C&C servers since my security appliance says so. Is there a way to check if these really belong to Zeus?
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4answers
420 views

Malware that uses http as a covert channel

I'm working on a http traffic analyzer and I need a collection of malware, which uses http as a way to get commands and respond, to analyze their network behaviour. Is there any database of malware, ...
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2answers
573 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 ...
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3answers
133 views

Duqu and other reference material for security people

I would like to read more on Duqu and similar exploits when they appear. The problem is that most references from google are for laymen. Isn't there a reference website or... that reports on these ...
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4answers
901 views

Site constantly getting infected

I am the webmaster of some websites running Typo3, 2 of which are getting infected constantly. These 2 sites are being owned by the same client. Something happens on those 2 sites that causes ...
4
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5answers
3k views

Strange android app … possibly a mass malware?

I started receiving on my android Samsung Galaxy note strange notifications in Mandarin (the language of the people of china). Once I click on the notification it opens my browser with a blank page ...
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2answers
4k views

Need advice on linux server being hacked

I'm currently trying to find out how one of our centos servers was compromised. We were experiencing malware on our sites. After searching I finally found the malware injecting into the sites. As it ...
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3answers
9k views

Can a PDF file contain a virus?

Could a PDF file contain any type of malwares ?
4
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1answer
747 views

Malicious script analysis

Could somebody tell me what can this malicious code do? I see that in the beginning it turns off the error reporting and logging. Then something with get post method and files stuff. But I am not ...
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3answers
1k views

Is there any way to block LD_PRELOAD and LD_LIBRARY_PATH on Linux?

Preferably with a vanilla Linux kernel i.e. not using SELinux or GrSecurity? Lately there has been a case of in-the-wild UNIX server malware: ...
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4answers
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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 ...