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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122 views

Possible Windows 10 Malware [closed]

Data: There are a set of Windows 10 computers. Out of 8 of those computers, three were found to have had the Windows OS altered in an unexpected way. An advanced malware/spyware infection is ...
0
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3answers
94 views

How to successfully prevent advance persistent threats

With the topic of advance persistent threats (APT) getting common nowadays, how do you successfully prevent such an attack in the workplace? Do you have to purchase expensive tools, such as those from ...
1
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1answer
54 views

Social engineering attacks terminology

Let's suppose that a hacker send an email containing a Word document with a malicious macro to a sysadmin. Does this attack fall under the category of spear phishing?
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1answer
49 views

Terminology involving malware/virus/worm [duplicate]

What is the difference between "worms", "viruses", and "malware"? Some sources I've found said both viruses and worms infect files. But others say worms are stand alone programs, and are ...
0
votes
1answer
25 views

Covert Channel Bandwidth [closed]

I have designed a covert channel using ICMP protocol by making use of the data field when sending pings. I am trying now to analyize the bandwith of this channel but I don't know how. Any ideas?
0
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0answers
33 views

Where can I find a dataset of URLs of websites that diffuse malware? [duplicate]

In order to study some malware detection algorithms I am developping in my PhD, I would like to know where I could download a list of malware websites. Thank you
7
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2answers
524 views

Where Does ClamAV Get Its Virus Signatures?

I see that ClamAV has virus definition files which are mostly hash codes in md5, sha1, and sha256 formats, which either look at the whole file or what are called PE sections of an executable file. Of ...
0
votes
1answer
98 views

How do I remove a metasploit infection?

My brother in law sent me a link in a Facebook PM for dummy me to click on. I did, nothing happened, I thought nothing of it. Well he told my husband since I clicked on it he can now hack my Facebook ...
8
votes
2answers
351 views

Can a malware infect just by right clicking?

Someone I know got infected. He sent me the file to analyze. I downloaded the zip and it contained a scr file. I unzipped it and right-clicked to open it in Notepad++. It immediately got quarantined ...
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2answers
174 views

Implications of Intel's SGX extension for malware detection and white hat reverse engineering

Intel's new SGX extension is concerning. It allows the programmer to create enclaves in their program where the data is encrypted until it is used. This is apparently supposed to be used for cloud ...
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1answer
133 views

Can Malware Infect Hardware/Firmware

So, my MacBook Pro packed it in over the weekend after I drunkenly vomited all over the keys. I brought it to the Apple store (without the hard drive installed) for an assessment. The results of this ...
2
votes
0answers
27 views

Can I trust LPS?

LPS protects against spyware/malware by booting an OS from trusted media without reading from hard drives. However, not all components are open source. How do I know the US DoD didn't include ...
2
votes
1answer
101 views

Data Leakage Prevention tips for regular home users

I am a "power user" with a limited knowledge of information security. I frequently store confidential documents on my computer. How can I protect these against a rootkit that gives an attacker ...
37
votes
5answers
4k views

Risk of tampering when hardware shipment is delayed

I am currently receiving an order of computer parts in the mail including an SSD. Tracking showed that the package arrived in my town on day X, and was originally scheduled for delivery on day X as ...
4
votes
2answers
124 views

Can single-purpose PCs be useful as a security measure in this situation?

In the context of a small scale operation, we are considering use of single special purpose PCs allocated to single security-sensitive tasks - for example, certain financial operations. The intended ...
1
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2answers
454 views

How to find why so many host are talking to an IP which is blacklisted

In my SIEM tool, I got multiple alerts for communication with malware sites from Palo Alto firewall. I have seen many outbound communications from internal IPs toward IP: 74.217.31.51 having host ...
0
votes
1answer
57 views

Test the security of my Linux setup [closed]

I have a Ubuntu installation running in VirtualBox. I have made a few modifications to it (some kernel modules and startup scripts) that I hope would make it very secure. Is there anyway I can test ...
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4answers
87 views

What are cookies and cache?

While surfing on the Internet, I am often afraid that I may have downloaded some malware program along with some files on my computer. Furthermore, I have been told that the reason for that are ...
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votes
2answers
84 views

Need tool to detect malware in several pdfs in Windows environment [closed]

I am looking for a Windows product that could detect malware in several pdfs in Windows environment. I don't want to use Python and I don't want to use Stream Dumpler. I am looking for something ...
0
votes
0answers
339 views

Tradeadexchange everywhere. On my mac, android and every browser

The tradeadexchange malware seems to have infected me in every possible way. It pops up new tabs whenever I am browsing on my Mac or Android devices, and also in any browser-Firefox/Chrome/.. ...
0
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1answer
72 views

Malicious .scr file partially executed: sohanad?

I executed a .scr file, (without prior checking of the file ending, because the filename was longer than what the explorer showed) and there was a popup saying something. Instant realization that I ...
0
votes
1answer
83 views

Dealing with a malware infected server

I have a web server which is heavily infected by malware. That is, around 12 websites (Outdated CMS) are infected by PHP shells and XSS. My websites are banned and are not accessible anymore. I have ...
45
votes
3answers
5k views

Can USB drive infect my PC with malware if I don't allow any autorun.inf to run?

Assuming that I'm using a trusted USB flash drive (meaning that it's not some device that looks like a USB drive and whose purpose is to damage my PC), is it possible for my PC to get infected from ...
1
vote
4answers
412 views

iPad infected with virus (popup - admobinew.com)

This morning I was reading some news on some websites (I think one of them was haaretz.com) using my iPad (ios 9.0.1), I clicked on a news and I was redirected to some dodgy website and I started ...
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1answer
65 views

Access to email without antivirus [duplicate]

I am doing a test where we want to asses whether an email with a benign virus in it, exits a network. I need a means to receive the test emails I am sending from inside the network, without any ...
0
votes
1answer
100 views

Strange browsing problem, unknown images

When I open any site, I sometimes see unknown images replacing the original images on the website. They are not ads and can't be clicked. Just random images of people, cartoons etc. When I refresh ...
7
votes
2answers
208 views

Can malware infect more than one operating system?

Is is possible for malware to be written in a low-level language such as C or C++ and do the following: Infect a single operating systems(such as Windows) Detect other machines on the same network ...
0
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1answer
54 views

Why only Google warn us about attackers?

There are so many search engines like ask.com, yahoo.com and many more, but only Google warn us about attackers. Why so?
29
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3answers
2k views

Can malware be transmitted via a USB charger plugged into a wall socket?

I have a smart phone that I often plug into a wall socket for charging via a small adapter that rectifies the AC to DC power and transforms the voltage from line (120V or 240V) to 5 V DC, probably ...
30
votes
6answers
4k views

How safe are employee laptops in China against International corporate espionage?

I recently took a business trip to China. Our IT department told me I could not take my normal machine, and instead gave me a loaner. This loaner had MS Outlook and was linked to my normal company ...
4
votes
3answers
258 views

How do professional hackers to test their own malwares/viruses without harming their own computer?

Yesterday I started some hacking tutorials on http://xeushack.com/tutorials/ by curiosity. I used the Android app to read the different articles about different ways of "hacking". The author clearly ...
0
votes
1answer
220 views

ISP has informed us that our server is launching brute force attacks on WordPress sites, how do we end this? [duplicate]

Misc Situation: -Server login is obtained by hacker, hacker places malicious brute force file in /hacked/bruteforce/ -Server password is then changed, hacker can still run script by navigating to ...
0
votes
2answers
154 views

Removing malware from a USB drive

Let's suppose I plugged in my UBS flash drive in my friends' PC and it got infected with malware. Is there a way I can wipe the USB drive without connecting it my or some other computer (and infecting ...
1
vote
1answer
535 views

ClamAV Flagging application .swf files as malware

ClamAV scans on our application servers are identifying some of our legitimate Flex .swf files as malicious, specifically citing CVE-2015-5548 (specifically, "Swf.Exploit.CVE_2015_5548 FOUND"). ...
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2answers
78 views

Why does malware modify proxy settings?

During dynamic analysis, I have noticed that Adware and some Trojans modify the proxy settings within the Windows Registry. What is the purpose behind making this modification? The most common keys I ...
0
votes
1answer
920 views

Help me understand this adware (compute-1.amazonaws.com)

I ran TCPdump on my Macbook and saw a lot of communication going back and forth between 10.239.68.143 and compute-1.amazonaws.com. I looked up my private IP address with ifconfig and found that that ...
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3answers
85 views

Root access and malware

Would it help to defend against malware if I use a less privileged Windows 7 account for my day-to-day work?
0
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2answers
230 views

Can somebody explain what this obfuscated JS code received by email does? It fools AVG, MWB, Spybot, which all report it SAFE!

Below is the JS code. I would like to understand how it extracts the malware code, and what it does. I tried to Google parts of the original str, as well as convert it from hex to ASCII: (URR^ $ ...
2
votes
1answer
644 views

HTML iframe security exploit

Can somebody explain if there's something malicious in this HTML, The width and height of the iframe ares set to 1 and it's out of the view with top: -100px; statement. I believe it takes some some ...
3
votes
1answer
154 views

Android ransomware difficulties [closed]

My phone is a Samsung Galaxy S2. I have somehow gotten some ransomware that is displaying device information, including my name and recent contacts' data. The ransomware starts basically right away, ...
3
votes
0answers
51 views

“Segmented” malware

I've been researching how anti-malware tools function and I feel like I'm missing something with heuristic analysis. What I've learned so far Anti-malware programs can use heuristic analysis and ...
2
votes
0answers
155 views

How to scan large .bin files for malware?

I know about websites like VirusTotal, and programs like herdprotect. I'm using Avira and Superantispyware, but once the large bin files are scanned, usually nothing is found. But after running an ...
24
votes
2answers
5k views

Why is spreading malware.scr instead of malware.exe more common?

Both are binaries and I guess that AV products know that .scr files that are not screensavers should be dealt with with "special care". I see quite a lot of "Document.pdf.scr" malware samples and ...
1
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0answers
180 views

Is checking out network traffic for suspected malware useless if the malicious actor is in a different timezone? [closed]

I had recently upgraded from OS X 10.10 (Yosemite) to OS X 10.11 (El Capitan) from a bootable drive that the Genius Bar of one of the my city's Apple stores has, and I installed the 10.11.1 update ...
7
votes
3answers
938 views

How do virtual machines help security?

Can using a VM help to protect my passwords or other data? I'm asking this because I'm using a PC that others have access to, so there is possibly of some malware. I don't want to login to my web ...
10
votes
2answers
948 views

Effectiveness of flattening a PDF to remove malware

I'm currently looking at ways to prevent malicious PDF files at the network boundary. This will include virus scanning - but there are known limitations to that. I see a common approach is to flatten ...
99
votes
11answers
14k views

Is there any way to safely examine the contents of a USB memory stick?

Suppose I found a USB memory stick lying around, and wanted to examine its contents in an attempt to locate its rightful owner. Considering that USB sticks might actually be something altogether more ...
9
votes
1answer
123 views

In VMs, do shared folders reduce security effectiveness?

VirtualBox offers the option of using shared folders, others probably offer the same thing. I am not sure whether the host is directly accessing the memory of the guest, or if there some process which ...
2
votes
0answers
73 views

Open source firmware as mitigation against firmware persistent malware?

I am concerned about the threat of persistent malware entrenched in device firmware. I am not familiar with the intricacies of firmware security, so I am turning to SE for help. I recently learned of ...
2
votes
2answers
102 views

Disabling downloads in the browser; are there any benefits?

I was playing around with the security settings in my browser (IE) after being attacked by malware. I noticed an option to disable downloads. If I were to disable downloads, and re-enable them when ...