Software which includes anti-spyware, anti-rootkit, anti-phishing, and other technologies that attempt to identify and/or block malicious programs.

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2
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1answer
397 views

EMET and AntiVirus

I've just heard about and started playing with EMET and I am curious, do any AV or security suite applications do what EMET does or is EMET something entirely different?
20
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3answers
2k views

Could malware move during a scan to avoid detection?

I think every AV-Scanner is using some predictable recursive scan to search files for malware. Couldn't malware easily detect a scan and just move to an already checked location, determined by knowing ...
3
votes
1answer
89 views

How do I instantly disconnect from my ISP during an exploit or suspicious activity?

When I was using "Zone Alarm Security" under Windows 98 SE, there was a toggle link feature under Zone Alarm, whereby I could instantly sever connectivity to the web, while a suspicious exploit was ...
0
votes
1answer
68 views

A sneaky way of disabling Microsoft Security Essentials?

For a long time I've been dismissing and ignoring this popup, which is easy since it only appears at boot (or logon) which is once every few months: But recently I became suspicious after a crash ...
1
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0answers
26 views

How should end users respond to Earthlink's “Allowed Sender” feature when blocked by policy?

Some of our users are requested to click on an Earthlink antispam URL below https://webmail.pas.earthlink.net/wam/addme?a=USERNAME@earthlink.net&id=<SOME GUID> However our firewall ...
3
votes
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 ...
36
votes
2answers
5k views

How do antiviruses scan for thousands of malware signatures in a short time?

Most antiviruses have hundreds of thousands or even millions of malware signatures and yet they scan many files in a reasonable short time with high detection rates. Even real-time scanners doesn't ...
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 ...
0
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3answers
161 views

Is it possible to crack ransomware encryption if I have the original file?

Is it possible to crack ransomware encryption if I have 2 versions of a file: before and after the encryption? Are there any tools for such a thing?
1
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3answers
536 views

Virus/Malware: Force Java Download

I have two separate pieces of security software that run regularly - Webroot and Microsoft Security Essentials, and even though neither of these have detected anything is wrong with my computer, every ...
1
vote
1answer
73 views

Invoke an antimalware scanner from code on azure Roles

We have a requirement to scan uploaded images via azure services. I found that Azure has a free out of the box solution http://azure.microsoft.com/en-us/support/legal/endpoint-protection/ However ...
1
vote
0answers
58 views

Why use oddly compiled ELF files for Linux malware?

I ran file on some Linux malware ELF files that I've acquired over the last couple of years. I noticed some oddities: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), statically linked, for ...
1
vote
3answers
116 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 ...
1
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0answers
34 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 ...
0
votes
1answer
70 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 ...
4
votes
3answers
470 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
votes
1answer
136 views

Offline malware / script scanner for webfiles (PHP and HTML) [closed]

I have downloaded an entire copy of a website that has been used as a spam relay. I think I have tracked down the problem to a loophole in a contact form (now closed, but was not used, but still ...
6
votes
3answers
2k views

Possible to detect packed executable?

A packer is a way of obfuscating an executable program, i.e., transforming so the result is still executable and has the same effect when run, but looks different (so it won't be detected by static ...
-1
votes
1answer
78 views

What are the heuristics for a malicious url? [closed]

I know that there is nothing like a safe website ,any website which is safe today could be hacked and its visitors could be served with latest malware. What I'm curious about is what checks can we ...
23
votes
6answers
24k views

How to scan a PDF for malware?

Can anyone suggest an automated tool to scan a PDF file to determine whether it might contain malware or other "bad stuff"? Or, alternatively, assigns a risk level to the PDF? I would prefer a free ...
2
votes
1answer
107 views

Malware (internet connectivity) and defending against it

I was wondering whether anyone knew if malware could spread without internet connectivity? Also, can you defend against malware by releasing counter-malware that spreads exploiting the same ...
9
votes
4answers
3k views

How to detect Meterpreter and similar malware?

Is it possible to find Meterpreter or similar malware which doesn't modify the hard disk but is only stored in RAM? Most common anti-rootkit software like rkhunter and chkrootkit don't find it.
0
votes
1answer
51 views

What kinds of PE file infection can AV software detect?

I wonder what kind of infections AV software is capable of detecting: only if the file is signed? also if the entry point isn't changed? does it also have hashes for non system files? what if the ...
2
votes
1answer
105 views

Has an antivirus ever failed to detect malware for “non-technical” reasons? [closed]

I'm wondering if an antimalware vendor has ever whitelisted (or otherwise failed to detect) a piece of malware because the author/sponsor either paid them, threatened them, or legislated against them. ...
21
votes
2answers
3k views

Can a Trojan hide itself, so its activity doesn't appear in task manager process? [duplicate]

Can malicious software hide itself, so its activity doesn't appear in the list of processes from Task Manager? Can it hide itself so when someone is controlling your computer, even if you open Task ...
0
votes
3answers
2k views

How to detect the so-called “undetectable” Gameover Zeus?

The media are currently (and have been) creating a huge ruckus surrounding the supposedly "undetectable" Gameover Zeus malware. The Daily Mail The Mirror The Independant PC World The Telegraph ...
3
votes
1answer
68 views

Any reason for a user to use an email scanner if they don't use any offline mail clients?

I typically recommend that users enable a real-time email scanner (aka a mail shield) in order to detect a possible vector used by malware. Even if they don't use an email application, the rationale ...
14
votes
7answers
2k views

How is it possible to embed executable code in an image

I was reading up on FireEye and came across this NYTimes article detailing a Skype chat where an image was sent that was laden with malware: Quote: To gain access to information on the ...
2
votes
2answers
77 views

Virus - by-pass with binairies repackaging

Why don’t « hackers » (or more accurately, « virus maker ») just do repackaging over their malware to by-pass antivirus software? Because it resolves the issue of the virus signature (kind of hash), ...
0
votes
3answers
103 views

It is possible detecting threat by only with file information?

It is possible detecting threat by only with file information of a file like file's hash(md5,sha1,sha256, etc), file size, mime type, etc with ClamAV or Comodo AV for linux with shell command? It ...
1
vote
3answers
84 views

Gaming Mods Security Risks

I read the following post, and while the questions was specific to SkyRim, the more general answer was that it depends on the game. I wanted to pose a more generic question here to the security folks. ...
1
vote
2answers
560 views

Do thin-clients need antivirus?

I've just taken over as IT Manager in an environment where most of the end-users are using HP-based Win7 thin clients (approx 50 seats) to access a remote desktop server. All the servers & fat ...
1
vote
0answers
79 views

Detecting reflective DLL injection any other ways?

any way to detect it? maybe using mcafee hips rules? Are there any known Techniques to detect it ? like walking the VAD tree or something?
2
votes
1answer
311 views

How is the file overlay read by an exe/virus?

According to what I know ,Overlay is the part of PE file that is not covered by the PE header and therefore isn't part of the virtual image in the Loaded PE. My question is if the overlay is not ...
3
votes
3answers
100 views

Remove pdf malware by re-printing to new pdf or text extract?

Consider you have a suspicious pdf file that might contain malware. Would it be sufficient to either: (1) open the pdf file in a virtual environment and let the pdf viewer or pdf-creator program ...
2
votes
1answer
118 views

Will 3rd party antivirus/antimalware programs compromise OSX's built-in security?

There is a very interesting post written by @TechZen. Here's the excerpt from the original post (bold emphasis mine) Should I get an antivirus for my Mac? There's never been a an actual Mac OS X ...
3
votes
6answers
146 views

When is an antivirus program needed/useful?

Let's say I buy a computer and use the internet for services but rarely download anything and when I do it is from legitimate sources with a minimal to non-existent chance of malware. What benefits ...
1
vote
1answer
101 views

Why is there a path to a .pdb file in an exe I am trying to reverse?

My query is ,if I'm seeing a .pdb path in a exe(VC++) what conclusion can I draw from it.Why does the exe have these paths and does it have significance in malware analysis? eg ...
9
votes
4answers
8k views

Why Adobe is recommending McAfee security scan during flash player installation?

Why is Adobe recommending a McAfee security scan during the installation of flash player?
1
vote
2answers
101 views

Any “cleaned” virus that's been successfully re-released?

Anti-malware software has to keep track of all bad software there is. To ease this load, it seems like a good idea to stop looking for threats that's been dead for years. Is there any example of some ...
0
votes
1answer
269 views

What is the difference between YARA and CLAMAV?

Can any one explain the difference between YARA and ClamAV ? Are they just two different ways of writing AV or Malware signatures ?
-1
votes
2answers
217 views

Open Source Malware Scanner/Cleaner [closed]

What is the best Open Source Malware Scanner/Cleaner? Malware-bites is good but it requires licensing for companies.
0
votes
1answer
353 views

Find and kill process that create malicious connections

State Recv-Q Send-Q Local Address:Port Peer Address:Port FIN-WAIT-1 0 3640 my.public.ip.xx:https xxx.xx.xxx.xx:56206 SYN-SENT 0 1 ...
1
vote
1answer
152 views

Efficacy of self-made ransomware protection

I was recently wondering about how to circumvent malware such as the infamous Cryptolocker a while back and was wondering about the efficacy of having a set of files with known content in a known ...
2
votes
1answer
73 views

When does it make sense to whitelist some subdomains but not others for a given domain?

Little Snitch has been useful to get a better handle on all the connections my computer tries to make. It's main dialog to allow or deny connections allows customizing (e.g. require specific port, or ...
42
votes
8answers
8k views

Can we trust antivirus software?

There are a lot of free antivirus software and free versions of commercial anti-malwares. Can we really trust these free antivirus programs? The same question about commercial antivirus software. ...
3
votes
1answer
1k views

Enterprise Anti-virus for Linux?

I know this question is probably at risk of offending the guidelines but our IaaS provider was unable to offer us an anti-virus solution for our Linux servers. We are deployed in an enterprise cloud ...
5
votes
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 ...
17
votes
8answers
2k views

Are signature based antivirus or antimalware effective?

Are signature based antivirus or antimalware solutions effective? Has the battle been lost against the ever increasing amount of malware, particularly rootkits, that are in the wild?
0
votes
1answer
86 views

Google safe browsing vs traditional anti-malware scanners

What is the difference between using Google Safe Browsing and using other traditional anti-webmalware tools ? Which one is more efficient to protect against malicious web content ?