Detection is the act of discovering and/or determining the existence, presence, or fact of something.

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3
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1answer
92 views

How to detect mimikatz usage on LAN

My boss is has made it clear that we need better ways of detecting mimikatz usage on the network- and I would agree. In place already for detection is suricata/ET PRO rule set on a couple of taps. ...
1
vote
0answers
39 views

circumventing cameras [closed]

We have Samsung wired cameras placed in 9 different places in the home. Somehow they are being circumvented and a laser doesn't seem to be the way it is happening as bright flashes do not appear on ...
2
votes
1answer
34 views

Tap-mode IPS vs IDS

It is my understanding that tap mode IPS, unlike in-line mode, is passive and cannot prevent attacks. In that case, what is the difference between an IDS and a tap mode IPS? I've checked out several ...
1
vote
0answers
11 views

snort spp_sfPortscan Preprocessor Customization [closed]

I am working in snort 2.9.8.0. I want to modify the snort code for Portscanning Detection,i.e spp_sfPortscan.c and its related code to build a customized portScan detector. Ex:suppose A is scanning ...
21
votes
3answers
2k views

Would it be plausible to write your own anti-crypto-ransomware tool? [closed]

Question After reading about how basic ransomware targets and encrypts your files. I was wondering if it would be plausible to write your own script to try and detect such activities? Initial ...
2
votes
0answers
53 views

Rogue Containment on a wired network (mostly)

I work as a security analyst for a large company. The answer must provide remote support. We are currently looking to build a piece of software (integrating existing products with home grown ...
4
votes
1answer
57 views

Security monitoring in the cloud?

I am working for a company which works with PHI, HIPAA, PCI and other highest sensitivity data. Their current security architecture uses hardware network monitoring tools to monitor the network ...
1
vote
4answers
243 views

Fraud detection to avoid fake users

I know there is no 100% solution for fraud detection, but at least I want to set some level of confidence in this use case. Suppose that I have a system where: A user need to make a registration A ...
1
vote
2answers
465 views

Signal listening

Is there a way to know if someone listens to signal I produce (air signal as well as signal on network)? Is there a way to know if the signal was listened along the way until the signal is reached to ...
27
votes
4answers
2k views

Fake users in database for compromise detection

I have read of sites* adding fake users to their databases and then monitoring their usage. One of these fake users being used or even attempted login may mean database compromise etc. This sounds ...
3
votes
1answer
59 views

Detect a Virtual Machine on my Wifi?

Is there a way to detect whether a machine connected to my wifi is a physical machine or a virtual machine?
3
votes
3answers
109 views

Detection and monitoring of important events on OpenVPN server

If an attacker can establish a VPN connection to the company network and have access to internal resources (by getting various certificates and credentials used to authenticate to the VPN server), ...
4
votes
1answer
270 views

Is it possible to detect DPI (Deep Packet Inspection)?

If one suspects one's packets are subject to DPI, how can it be detected?
6
votes
2answers
370 views

Can network admin detect port scan on a certain host?

Say, my laptop is connected to a large WiFi network with many other users. If a port scan is run on my IP by somebody else on the same WiFi network, is it possible for the network admin (or anybody) ...
0
votes
1answer
96 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 ...
69
votes
11answers
6k views

Sanitize computer after Homeland Security seizure [closed]

I flew from overseas back to the USA and all my electronic equipment was seized by Homeland Security, including my laptop computer, external hard drives, flash drives, etc. After more than a month I ...
0
votes
3answers
152 views

If I connect to a website using a cellular network, and change the sim card and connect again with the same phone, will they find its the same phone?

I read on a blog that when you connect to a website with your phone they track the model number id of the device, or something like it. I don't remember what its called. Even if you change your sim ...
-2
votes
2answers
98 views

Unpredictability vs Predictability [closed]

Unpredictability and Predictability in security. I am tasked to come up on which is more important in terms of security, if possible, on cyber security. After reading through several articles on ...
2
votes
1answer
84 views

Effectiveness of Secure Boot on kernel-mode rootkit detection

With so many new patches and updates, how effect is Secure Boot on detecting kernel-mode rootkits?
0
votes
1answer
115 views

How to detect arp spoofing using iptable? [closed]

How can I set iptables to detect arp spoofing on linux?
6
votes
1answer
2k views

How does a website detect proxy? [duplicate]

How can a specific website detect that I'm surfing via proxy? Is there a way to use proxy and not get detected? If so, how?
-2
votes
2answers
112 views

Is it possible for a website, by knowing the public IP only, to detect the exact smartphone device I'm using?

If with the same smartphone device I surf to one website (each time with a different IP, different SIM card and no saved cookies or cache), is it possile to detect that I'm using the same device? If ...
2
votes
1answer
240 views

How can I hide a program from another program?

If program A scans RAM, running processes and whatever, can I hide program B from being detected by A? Basically, I don't want program A to detect program B, or at least, stop it from identifying ...
-1
votes
1answer
226 views

How to detect a Dionaea Honeypot, is it possible or not?

There is a question like this but the answers aren't sufficient to me. I am interested in a honeypot project and I use the dionaea honeypot. This project is really cool, but there is a problem. How ...
1
vote
1answer
227 views

What does the http_uri content modifier do is SNORT

I am very confused about exactly what http_uri does. Can someone explain this to me w.r.t NORMALIZED and UNNORMALIZED uri fields?
2
votes
1answer
93 views

Why do phishing sites use images instead of just copying the HTML?

Why do phishing sites use pictures of the full site (e.g., they took screenshot and broke it up) instead of just copying the real HTML and modifying the target for form submission of ...
1
vote
1answer
2k views

How to simulate network attacks and use wireshark to detect them?

I am working on a project which involves me to simulate a network attack and to use wireshark to detect the attack. DOS/MIM etc. I have found the following links that provided help but there are still ...
0
votes
2answers
328 views

Detecting RDP on non-standard ports

How can RDP connections on the network be identified if they are no longer using TCP 3389 and instead using a non-standard port? If the administrator of a system changed the port for remote ...
5
votes
1answer
145 views

What is the proliferation of IMSI Catchers?

We know that IMSI-catcher detectors such as the Android-IMSI-Catcher-Detector project exist, but has anyone done a field study across various parts of the world as to how many there are and where? ...
1
vote
2answers
233 views

How can I detect unencrypted self-executing code in JPEG images?

Assuming that I have an infected image containing a self-executing malicious code that targets my image viewer and executes when I open the file. Supposing also that my computer is completely clean ...
1
vote
2answers
511 views

Malicious self-executing code can only exist in EXIF data in JPEG images?

Let's say we got an infected JPEG image that just by viewing it can automatically execute the malicious code stored inside it. It can do this either by taking advantage of the image viewer's security ...
0
votes
1answer
356 views

How to detect an image virus?

How can someone detect a malicious code, executable or not, inside an image file ? What techniques and what programs are out there that will help you for the detection procedure ? This question is a ...
0
votes
2answers
119 views

Detecting malicious domains/URLs [closed]

Do state of the art commercial URL threat intelligence feeds ( for example, one's by Symantec, Intel-security etc) miss malicious domains? (i.e. domains serving malware,exploit code & phishing ...
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 ...
1
vote
1answer
345 views

Detecting web app attacks by parsing log files [duplicate]

Following up on this question as the answers are now 5 years old: Can I detect web app attacks by viewing my Apache log file? My boss has tasked me with analyzing our access.log and error.log files ...
9
votes
2answers
1k views

Are there / have there ever been viruses that completely evade virus scanners for very long?

Are there, or have there ever been viruses that completely evade all virus scanners for a long time (e.g. longer than a year?)
0
votes
1answer
217 views

Signature Based Malware Detection

I am developing software for detecting malware based on signature, in Java. I have researched a lot for the approach to move ahead. I found that the basic idea is to store the existing malware ...
0
votes
1answer
116 views

DDoS Detection devices available in the market? [closed]

Wanted to know what DDoS detection devices are currently available in the market.My organisation has its dedicated firewalls and routers.But we wanted to know if there are any devices in the market ...
1
vote
0answers
59 views

Airgapped network security: feasable to prevent precompiled code from running to limit vulnerability to hacked firmware?

I'm not sure if this is the right medium to ask this but I'm looking for pointers or if this is being done. I realize that this is still a bit of a open question. When internal network holds critical ...
2
votes
1answer
411 views

How can an online hack be traced back to the perpetrators?

What sort of evidence might be used in linking, say, the Sony hack to North Korea? While I am curious about what was used in this particular case, my question is meant to be a more general question ...
0
votes
1answer
93 views

Integrity-Based Execution

Intrusion Detection Systems (IDS) rely on binary signatures or known-bad-behavior of malware in order to detect threats. It has become very clear that this approach has limited success due to the fact ...
0
votes
0answers
45 views

OpenVPN detection [duplicate]

Is it possible to detect whether or not a visiting computer is using OpenVPN to tunnel from a remote location? I know that through packet inspection I can determine an OpenVPN connection between the ...
4
votes
4answers
3k views

bot detection via browser fingerprinting

I've recently noticed that a few companies have begun to offer bot and scraping protection services based on the idea of browser fingerprinting to detect them, and then blocking the specific ...
6
votes
3answers
14k views

How can I detect a VPN connection (even just in some cases) to get the real location of the user

I'm creating a web site, I would like to allow people to sign-up only from their "real" physical location (not using a VPN). I was thinking maybe comparing local and server time... what else...? ...
29
votes
3answers
2k views

Is there a way to detect web server in case it's not present in HEADER?

I'm trying to detect what web server a particular website uses. For instance whether it's nginX, Apache, Tomcat and so on. I usually use Live HTTP Headers Firefox add-on. The problem is that sites ...
0
votes
1answer
174 views

Can an attacker detect if I have a TARPIT enabled?

Last thing we want to do is provoke an attacker and offer them challenges or puzzles indirectly to give them a flag to stay and continue to hack rather than move on to other hosts. If possible, I do ...
3
votes
1answer
109 views

Obfuscate IDS rules

Are there known techniques to obfuscate IDS rules, so they can't be easily used by attackers to reverse-engineer the vulnerability that they detect? Let me provide some context. Sometimes IDS ...
2
votes
2answers
377 views

How can one find keyloggers in javascript?

Assuming no XSS and a client-side only page, how can a keylogger be identified in javascript code? Should I simply look for the id of the targeted fields and possibly some sort of DOM traversal to ...
2
votes
1answer
2k views

How can illegal downloads (not file sharing) be detected?

I understand that copyright holders can identify illegal filesharing over BitTorrent by simply taking part in the sharing process and noting IPs of peers. But how do they detect illegal downloads ...
3
votes
4answers
97 views

What kinds of attacks would be missed if we don't look at both host and network activity

Suppose I have both network based IDS and host based IDS installed in my environment, will I miss any security attacks if I don't correlate the information from these sources? If so, what are they? It ...