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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3answers
74 views

Malware in RevSlider plugin?

Maybe my WordPress site is hacked, because it's always send spams (5000 / day). I found one file in plugins folder which contains this base64 code. What shoul I do? EDIT: Oh, i found another one: ...
12
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6answers
1k views

Ads appearing in our application when they should not be

I received a strange issue reported by one of my web application users. Apparently they are getting "ads" within the browser window when using my application. I didn't add advertisements at all. It's ...
3
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1answer
124 views

Is this the end of malware use of DNS?

I read about the release of a free dataset of malware related DNS queries called "Predict". A researcher or network security team can download or query this data set and use it to identify malware ...
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3answers
55 views

What File Types Should I Scan Before Opening? [on hold]

In general, a person downloads some files from the Internet. Secure practice is to, at least, scan them before opening them. In light of this, what file types (i.e. extensions) should a normal user ...
2
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0answers
141 views

Open source database of malware signatures [on hold]

I'm looking for an open source database of malware signatures/hashes (if possible regularly updated and well documented) that I could use in one of my software for scanning a huge numbers of files ...
1
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2answers
58 views

Actual use of covert channel in malware

I have seen several academic sources mentioning covert channels in computers, such as one process sending data to another process/thread on the same machine in a way that attempts to avoid detection. ...
2
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2answers
69 views

How does malware performs a UDP hole punch?

I want to know how do malware like ZeroAccess hole punch the network without using a external server? Or do they just mainly infect non-NAT users? Does that mean all NAT users are safe?
4
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1answer
99 views

Would DLL hijacking work with load-time linking?

I was wondering if DLL hijacking would work with all types of linking or just run-time linking. I hear that malware uses it and wanted to know how it works
1
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3answers
110 views

Large amount of foreign IPs hitting out firewall, is this automated scans or are we under attack?

I just got put in charge of a network. In the logs on our firewall I noticed that we had a large amounts of machines trying to connect to port 53 as well as about a dozen other ports. Are these ...
4
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3answers
210 views

Windows: unknown program/service etc. sends HTTP request to download a file; how can I find the origin of that request?

The firewall of my company has detected and blocked a repetitive (every 15 min) HTTP request from a PC, which tries to start a download of a file called ..._chrome_installer.exe(or so) from the host: ...
6
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3answers
129 views

Does it matter which platform a file is scanned on for malware?

Different operating systems use different file types and file systems. Does it make a difference to a virus scan which system it is being run on and what type of malware it's looking for? I ask ...
3
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2answers
7k views

Does Chrome OS Allow Executable Files?

My company has some real security issues and I am wondering if using Chrome OS can be some solution to my problem. Typical Windows computers seems all to vulnerable to attacks from malicious images ...
26
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2answers
30k 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
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1answer
87 views

Malware code in WordPress?

I'm pretty sure that we have malware code in our WordPress website - Here is the code in question, it is located at the top of every php file in the website; { ...
3
votes
1answer
406 views

Zeus botnet source code

I am doing my project on botnets and wanted to understand the source code of the Zeus botnet. Where is the right place to get started with some analysis of zeus botnet source code? I need a good ...
3
votes
1answer
236 views

Does malware which infects the BIOS/ Firmware always need 'root' access to do so?

There are very few hardened Operating Systems who restrict or totally disable Terminal 'root' access for the user. Would this feature prevent persistent BIOS rootkits from writing into BIOS or ...
5
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4answers
10k views

Can a PDF file contain a virus?

Could a PDF file contain any type of malware?
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1answer
83 views

AV isn't dead, so why network appliances differ in handling malicious code [closed]

when taking a look under the hood of some firewall appliances there can be observed a tremendous difference on how they handle malicious code. mostly, av-scanning is restricted to well-known protocols ...
0
votes
1answer
55 views

Website Loading Content from Malicious Sites

I own a website. Now today I find that when I load the site, Chrome shows "waiting for xxx.com" and some other unknown sites. I never added content or links from these sites. The website is running on ...
7
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0answers
59 views

How to isolate persistent pop-up browser hijack [closed]

There's a persistent browser pop-up affecting Mozilla Firefox which has evaded a number of security pre-cautions and attempts to find a remove it. It's gone on for at least 3 months. The pesky pop-up ...
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votes
2answers
80 views

What are the chances of a normal Internet user being hacked or infected by malware?

Say I'm a normal Internet user, I visit some well-known social networks like Facebook, twitter, play flash-based games in Facebook, visit some big websites that are known to be safe and trusted and ...
1
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0answers
32 views

Browser Popup Survey Scam [closed]

I am looking for information on a new phishing threat that I have personally encountered. What happens is that during normal web surfing, a tab is opened that directs you to a survey regarding your ...
1
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2answers
75 views

A malicious folder is created automatically? [closed]

After I ran a third party game and uninstalled it, my antivirus is showing this message repeatedly every 7-8 seconds. When I run the antivirus it shows the malware detected and removed, but again ...
2
votes
2answers
234 views

What do I do, I got a virus warning on a webpage

I went to the web address (hxxp://www.asanka.com) (WARNING: BE CAREFUL WHEN VISITING) on Safari, then suddenly I got a warning message [image below] What do I do? I'm freaked out. I have a lot of ...
2
votes
1answer
54 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 ...
1
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0answers
1k views

How do I get rid of the Total Ad Performance malware from my Android? [closed]

My Sony Xperia Z3 Compact has been infected by a malware that redirects my browsers to either one of the two websites: www.totaladperformance.com or www.admomi.com. I have the paid version of ...
2
votes
2answers
410 views

Prevent a file from being encrypted

Is it possible to prevent a file from being encrypted, or at least being easily decrypted in case of encryption? For instance; with the Crypto Locker malware attacking users, could you set up a ...
1
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1answer
98 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 ...
11
votes
3answers
4k views

Detecting reflective DLL injection

In the past few years, malware (and some pen-test tools like Metasploit's meterpreter payload) have begun to use reflective DLL injection (PDF) to load a DLL into the memory of a process. The benefit ...
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votes
1answer
35 views

indicators of compromise via email servers

Malicious files are commonly infiltrated on to the network via email attachments. Besides awareness and education to my staff to refrain from clicking on suspicious attachments, I would also like to ...
2
votes
1answer
5k views

In Metasploit, how to use a custom exe as payload?

Question was once on a mailing list but wasn't answered. I want to use a custom exe as a payload in metasploit. For example when I use exploit/multi/browser/java_atomicreferencearray and want to ...
1
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1answer
181 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 ...
-2
votes
0answers
12 views

Prefetcher in registries [migrated]

I`m working on a malware & found the malware modifies these registries: HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Prefetcher\TracesProcessed: 0x00000086 HKLM\SOFTWARE\Microsoft\Windows ...
7
votes
1answer
121 views

Javascript phishing attack sucker: Do I need to be worried? [closed]

So, I'm an idiot. I opened a javascript phishing attack file. I would really, really appreciate some help with decoding the Javascript to figure out whether I'm in trouble, and what sort. I'm on OS X ...
4
votes
1answer
105 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 ...
14
votes
2answers
49k views

Is it possible to make a phone call appear to come from another phone, even to the network provider?

Quick Question Is it possible that I could call a mobile number, but have the call forwarded through another number active on a different phone that someone else has? I have had unlimited access to ...
6
votes
1answer
1k 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 Windows 7 machine. But what ...
7
votes
6answers
37k views

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. ...
3
votes
1answer
41 views

Secure online server -> Airgap transport?

I'm facing the issue to develop a system which archives some data, which was available via a web-server some time before (to selected users). Now the question arises on how to securely transport the ...
2
votes
1answer
113 views

Mystery IP address Hijack

I'm working on a customer's new website. To get things up and running quickly, we're maintaining his domain name service and hosting the website on another server. Customer bought the URL name years ...
4
votes
2answers
137 views

Malware: extract private keys from smartcard?

We all appreciate smartcards because they secure private keys so they don't get exposed to the world. But in a production-environment it's often the case that smartcards are staying inserted for a ...
2
votes
1answer
156 views

How to avoid ransomware

Malware files execute themselves after downloading them. Let's look at it from the point of view of a piece of ransomware like CryptoLocker, from Wikipedia: Crypyowall 3.0, uses a payload ...
2
votes
2answers
231 views

Can malware provide hidden remote access to a user's desktop?

Is there a possibility that malware on a computer could be providing remote access to an external party without the computer user being aware? I.e., some kind of hidden active remote access tool? ...
2
votes
2answers
173 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 ...
4
votes
2answers
197 views

How do cryptographic algorithms help hackers to bypass Antivirus software?

I was wondering how do hackers use cryptography for bypassing antivirus software. I don't have some deep understanding on how antivirus software works, but I know that every antivirus has base of ...
3
votes
1answer
61 views

Hooking an *unexported* API

I want to know is there any way to hook (inline hook) an unexported API of a PE? I have this binary (PE 32 bit) which does not uses any DLL (A statically linked binary) and I would like to know what ...
2
votes
0answers
16 views

Cuckoo with pfSense [migrated]

I am trying to set up Cuckoo with pfSense, and it is either not getting the information from the Cuckoo server, or it is not correctly sending the info back to the result server. I am using a LAN ...
3
votes
2answers
75 views

How to sanitize archive files?

I am looking for a way to make sure that a particular archive file does not contain any sort of malicious code. From time to time new vulnerabilities pop up (e.g. gzip, 7zip) so I though a good idea ...
9
votes
5answers
607 views

Is there anything I can do about IDN homograph attacks?

I have been reading about IDN homograph attacks, and I cannot think of any better way than Tell my users not to trust emails asking for passwords, etc Buy all domains similar to mine (expensive and ...
1
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0answers
30 views

Open Source Software & Android Malware Campaigns [closed]

I am looking to find a report that lists malware campaigns launched against Open Source Software (OSS) and/or Android OS. Ideally, this report would have been published in 2014. I am trying to ...