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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3
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1answer
28 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 ...
1
vote
1answer
64 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 ...
3
votes
2answers
44 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
98 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
204 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
160 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
162 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
55 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
67 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
583 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
votes
0answers
67 views

Is This A Run32dll.exe Virus [migrated]

I have two run32dll.exe processes, one in System32 and another in SysWOW64. Is one of them a virus or is it normal? Sometimes only one is there (SysWOW64) and this one uses 60-90 Mbs Of memory. ...
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votes
0answers
58 views

How to download malware binary samples from Virustotal? [closed]

Does anyone know how to get sample malware binaries from virustotal? If yes please tell.
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0answers
25 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 ...
4
votes
3answers
109 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 ...
1
vote
2answers
99 views

How effective is antivirus software? [duplicate]

On one hand, most antivirus websites claim their products are highly effective, and I've seen antivirus "test" videos claiming 95%+ detection rates for new malware (as in less than a day old, not old ...
0
votes
1answer
184 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 ...
0
votes
0answers
63 views

Adblock Plus blocking a lot of ads on webpages that don't even have ads? [migrated]

I was just checking my own website and noticed that Adblock Plus v1.9 blocked 13 ads on one of my pages and another 4 on one other. This is interesting to me because I have no ads on my site. I'm ...
5
votes
1answer
889 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 ...
0
votes
1answer
44 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 ...
0
votes
2answers
56 views

A malicious folder is created automatically?

After i ran a third party game and after uninstalling it , a problem is repeating , my antivirus is showing this message repeatieadly every 7-8 seconds. when i run the antivirus it shows the ...
1
vote
3answers
92 views

How to get started as a Malware Analyst? [closed]

Sorry if this is posted in the wrong section. A little about me: I'm going to be a sophomore in the fall at university, my major is Computer Science (Information Assurance). I've been interested in ...
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 ...
5
votes
3answers
157 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 ...
0
votes
0answers
17 views

Security Data Analytics - Classical Measurements/Metrics

for my new Job I have to prepare information about how Security Data Analysis is actually use in practice. So my question is if someone can provide me with measurements/metrics/queries (don't really ...
5
votes
2answers
157 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 ...
1
vote
1answer
82 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 ...
0
votes
4answers
273 views

“Virus Found” Web Browser Pop-up

I use a website that typically creates a new tab with an ad on the first click. Usually, I can close the tab without even looking at it, but recently a more aggressive strain brings up a pop-up (for ...
5
votes
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? ...
1
vote
2answers
71 views

Malware From from external drive

How do malware start from external drives? Especially on Windows (from > Windows 7) commands like Open=Example.exe on an autorun.inf file have been defaulted disabled to not allow auto run when an USB ...
-1
votes
0answers
65 views

Can installing a Virtual Machine help against existing threats?

I know if your VM gets infected you're offered (some) protection from threats moving to the underlying OS, but that made me wonder if that buffer could work both ways. For a specific example say a ...
5
votes
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 ...
84
votes
7answers
51k 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 ...
1
vote
4answers
260 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
votes
0answers
35 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 ...
1
vote
6answers
4k views

Malware ad.adsmatte infection

My PC is infected with malware, whenever I open a webpage and click on it a new tab opens on "ad.adsmatte.com". I scanned my PC with Malwarebytes but was unable to resolve the problem. So I ...
0
votes
0answers
39 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
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 ...
13
votes
2answers
46k 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 ...
0
votes
1answer
67 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 ...
1
vote
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, ...
1
vote
0answers
31 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 ...
1
vote
0answers
38 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
61 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 ...
1
vote
2answers
176 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
456 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, ...
1
vote
1answer
63 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 ...
1
vote
2answers
54 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 ...
11
votes
2answers
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 ...
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?