Questions tagged [antimalware]

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

Filter by
Sorted by
Tagged with
0
votes
0answers
39 views

Is my high school able to see what I'm doing? [closed]

Can my school see what I'm doing on my personal laptop that is not provided by the school? If they install software can you tell me what that software is?
0
votes
0answers
17 views

Behavior Monitoring in Endpoint Protection Platform

There are some EPP solutions that are considered very innovative (Crowdstrike, SentinelOne...) for the use of Behavior Monitoring. What is the difference with more standard EPP solution (ex. Symantec ...
0
votes
0answers
31 views

How I can I make VBA macro force Run As Administrator

I'm trying to perform Reflective Dll Injection via VBA macro. The main idea behind using Reflective Dll Injection is to bypass Windows Defender as dropping an dll onto the disk seems very loud. The ...
0
votes
1answer
79 views

Are there virus scanners for Windows that can be run without installation? [closed]

I wonder if there are virus scanners that can be run without installation. It would be very practical. Simply insert the USB pen drive and scan... It would be good if the scanner also detects malware....
0
votes
0answers
37 views

Are there any open-source metamorphic engines for AV evasion? [closed]

I was wondering whether there were any open-source metamoprhic engines that can be used to transform binary code. What I am looking for are code transformation tools that do not use encryption, but ...
2
votes
1answer
50 views

Can any tools/tactics produce a higher confidence in a clean system than Microsoft Security Scanner?

In the process of trying to recover data in bulk from what I assumed was a failing hard drive, Windows Security kindly notified me it had found a handful of malicious items among the recovered files. ...
0
votes
1answer
57 views

Are automated steganalysis tools commonly used in malware analysis?

I want to know whether or not it is useful to a malware researcher or AV product to use steganalysis tools to detect or study malware. If so, is there a standard steganalysis tool that's generally ...
0
votes
0answers
17 views

Running MalwareBytes & Spybot without Defender stepping aside [migrated]

For years, I had Microsoft Security Essential on Windows 7, and I installed MalwareBytes and Spybot Search & Destroy. I deactivated real time components of the non-native antimalware products. ...
5
votes
4answers
338 views

How dangerous can a file be with no detected malware?

Let's say there is file which successfully passed all scans by all antivirus software there is on VirusTotal. Does it mean that it can't be dangerous. If no, what kind of dangers we can expect?
0
votes
1answer
98 views

Bypassing Windows Defender VBA custom code

I've recently written a simple keylogger using classic DLL-injection technique. I wanted to simulate a real phishing attack where the user opens an Office document with macros and by enabling them he ...
1
vote
1answer
131 views

Security of a laptop order

What's the likelihood of a laptop being compromised when it comes directly from a trusted computer store or a large, known computer technology company? Would there be any liability if malware or ...
0
votes
1answer
90 views

How to validate file content in php?

We have developed an application with contain file upload functionality. We use that application for internal purpose only. We use core php language. We already use the below validations: File ...
1
vote
2answers
157 views

What is the term for adding benign code/behavior to malware to evade antiviruses?

Some malware authors add benign code/behavior to their malware just to throw off antiviruses and IDSs which employ machine learning to detect malware. There is a name for this technique (and even a ...
1
vote
2answers
94 views

Should Anti Virus and Anti Malware layer be the first layer in web application stack or can it seat behind services?

Can you have Anti Virus and Anti Malware layer sitting deep with the microservice layer and have the malicious file flow through all the services ? Argument being the file is in memory and not getting ...
0
votes
0answers
77 views

Kaspersky TS blocking apt-get upgrade and marking files as HEUR:Trojan.Script.Generic

I have just recently downloaded kali linux onto my VM software and i was doing apt-get upgrade in terminal and some files got blocked by my kts and i was wondering whether it was a false positive as ...
0
votes
2answers
74 views

Python Antivirus comparing hashes [closed]

I'm writing an antivirus in python mostly to learn and for research purposes, I do understand it would be more efficient to do this in something like C and eventually I will port this over. So far I ...
3
votes
1answer
92 views

Is there an alternative to using hashing to identify malware?

I'm reading a sans paper on IOCs (indicators of compromise) in malware forensics and I came across this interesting obstacle: polymorphic and metamorphic codes (Paxson, 2011) result in multiple ...
-2
votes
1answer
140 views

How long is a typical malware signature?

I read in Peter Szor's Art of Computer Virus Research and Defense that, in the past, a 16-byte malware signature was sufficient to 16-bit detect malware, but that longer signatures are necessary for ...
0
votes
1answer
213 views

How do i scan my AWS S3 buckets for malicious content/objects?

I am setting up AWS SFTP which uses s3 to store files. I am setting up sftp to exchange files with third party organisations. When i receive files i want to ensure no malicious content is received. ...
0
votes
0answers
70 views

Unknown process attempted to execute code

This morning I booted up my computer and not long afterward, got a notification from ByteFence (unsubscribed) that an unknown process attempted to execute a command that was deemed unwanted. ByteFence ...
2
votes
1answer
239 views

How does the Emotet malware work?

I was searching this site for questions on Emotet and I was kind of baffled when nothing was on here. So the title is kind of self explanatory. See this question as an attempt to "complete" the ...
0
votes
1answer
142 views

Is there a way to download the Firefox Phishing and Malware Protection list?

I'm building an app that needs to check bad websites and was wondering if there is a way to download the Firefox bad site list directly outside of the browser? The list is described in the Mozilla.org ...
2
votes
0answers
128 views

Can developers stop their software from being flagged as malicious by AV products?

This may not be the correct community for this question, I apologize if that's the case. Scenario: A software development company has created a collection of small desktop applications. They have ...
-1
votes
1answer
56 views

Does the term “malware signature” always refer to a pattern of bytes? [duplicate]

I know that traditionally a malware signature is a pattern of bytes in a program. While reading Joxean Koret and Elias Bachaalany's "Antivirus Hacker's Handbook" I saw that the authors categorized the ...
0
votes
0answers
27 views

Is there any anti-virus that only uses behaviour-based malware detection? [duplicate]

I would like to know any antivirus software that uses strictly only a behaviour-based malware detection technique as the aim of my research is to compare behavioural-based and signature-based malware ...
4
votes
0answers
45 views

What is the most efficient approach to automate testing a malware sample on many different AVs without using online services? [closed]

So let's say you want to automate changing parts of malware and testing it on many different AVs, and you want all this process to be automated, i believe people who gave the AVLeak talk in black hat ...
0
votes
1answer
145 views

How do AVs scan the file in websites that claim they don't send the files to AVs like Nodistribute.com? [closed]

So for example one of the famous alternatives to Virustotal aka Nodistribute.com claims that it doesn't send the file to AVs, but if it doesn't, then how can they scan it? just by checking the hash? ...
0
votes
1answer
129 views

What is “rule-based” analysis in malware detection?

I've read a few articles that describe the heuristic detection used by AVs as being either "weight-based" or "rule-based". The weight-based aspect seems to make sense, but I don't understand what "...
1
vote
3answers
140 views

Can any Windows app install a kernel driver? if not, then how can Anti-Viruses install kernel drivers?

Can any application install a kernel driver? if not, then how Windows decides who can and who cannot? If AVs can install kernel drivers, considering they are an application with an installer just like ...
0
votes
0answers
49 views

Are all “behavioral detection” of malware a form of heuristic detection? [duplicate]

A lot of articles I read seem to lump behavioral detection together with heuristic detection. From what I know, one of the defining features of heuristic detection is that it can be used to detect new ...
7
votes
2answers
807 views

How do AV scanners in VirusTotal check if a file is malicious or not and how trustworthy is its report?

So i have seen many times that people provide the virus total report for a file to prove its not a virus but i just checked and when i submit a file its not even uploading it (i checked my bandwidth),...
1
vote
1answer
70 views

Is it correct to say that AVs use the same signature-based detection methods in emulation as they do on static binaries?

Many malwares can be packed or encrypted and AVs will emulate their execution to allow them to unpack or decrypt themselves. Once they do, are AVs simply using the same hashing or pattern-matching ...
1
vote
1answer
58 views

Are the malware signatures used by AVs primarily created by human analysts or by automated means?

I've only ever read about human analysts creating signatures, but it seems like automated signature derivation would be less time-consuming and I'm surprised that I'm not seeing more about automated ...
0
votes
3answers
159 views

Are there types of malware that are so time-intensive to detect that AV vendors simply choose to not detect them? [closed]

I've been reading a lot about how AVs use different heuristic methods to detect obfuscated malware and it seems like some of these methods are very time/processor intensive. For example, to detect ...
0
votes
0answers
57 views

Detecting cracked Themida packed malware

I'm working in a large SOC and my manager has tasked me with finding some way to provide coverage for Themida packed malware samples. As alluring as it is to suggest just blacklisting all Themida ...
0
votes
1answer
127 views

What are the heuristic detection techniques most often used in modern AVs? [closed]

Whenever I read books or academic papers and the subject of heuristic malware detection is brought up they always say the same thing: "it can be either static or dynamic", "it may use emulation", "may ...
0
votes
1answer
103 views

How do AV vendors select malware signatures?

AVs use signatures to identify malware which are often strings of bytes or regular expressions thought to be unique to that malware. Do reverse engineers select these signatures by hand or do they use ...
1
vote
1answer
217 views

How does android antivirus scan root files like “/data/data”

I want to know how does android antivirus scan packages private files in "/data/data" directory. I read somewhere that they check the file name with their database and declare it as malware but how ...
0
votes
1answer
468 views

Is there something fishy on Kaspersky Internet Security or I am missing something?

Whenever I turn on my computer, a notification pops up - You need to restart you PC (I have added screenshot). I did, but it keeps coming. So went to notification center and saw which application is ...
0
votes
0answers
41 views

Assess anti-malware detection techniques

Are there any known, conventional, ways of assessing the types of detection techniques an endpoint security product might employ? I know AV-Test and AV-Comparatives exist to test the effectiveness of ...
2
votes
1answer
123 views

Antivirus recall and precision not accuracy [closed]

I am studying antiviruses how antiviruses work at my university. This is just the very basics. He asked in our opinion which we think is better: recall or precision. Why does my professor say he ...
4
votes
2answers
200 views

Why malwares need to be light

I am learning about how malwares work and I read that a lot of them are written in assembly or C to keep the binary size as small as possible. In an example C++ source code, authors decided to remain ...
3
votes
1answer
92 views

Verifying Host Sterility After Running Malware Tests on Virtual Machine

I know that "VM escape" is becoming a common issue now with malware testing. I'm just wondering if there's any way of verifying if the host system is clean from any infection after running a malware ...
0
votes
2answers
98 views

Reasons why different antivirus engines detect same malware differently

I think I understand how does signature-based detection work (calculate hash -> compare it with the database of hashes), but I can't understand why some AV engines find the same virus as different. ...
-1
votes
1answer
52 views

How does an antivirus flag homemade malware? [duplicate]

Say I made some malware in python or c# or whatever language, How would an antivirus detect that the program has malicious intent because how does the antivirus know that the program is malicious ...
0
votes
0answers
30 views

What are the steps of making a fully undetectable piece of malware? [duplicate]

I've been recently taught how antiviruses work. I know that there is more to it but they basically have a list of known malware that they have encountered and every time they scan, they check if their ...
-1
votes
1answer
110 views

Online traffic monitoring by ISP for safety purposes [closed]

I have a question regarding approach to online security and protection against viruses, malware and phishing by one of the biggest European ISP. Below you will find my understanding of the topic. Is ...
64
votes
5answers
17k views

Can Beehive detect a Snowden-like actor?

In a seminar, one of the Authors of Beehive: Large-Scale Log Analysis for Detecting Suspicious Activity in Enterprise Networks said that this system can prevent actions like Snowden did. From their ...
0
votes
2answers
156 views

If a host is infected is the sandbox environment infected?

Say my host machine is infected and I have a sandbox program. Will that sandbox environment then be infected also? If the answer is yes, what if I have an AV running inside of the sandbox. Will it ...
3
votes
2answers
229 views

Malware Author's Mindset

I'm studying common malware characteristics, and I'm having a bit of difficulty understanding the design choices the malware authors make. Many of said choices seem to revolve around making life ...

1 2 3 4 5 6