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Questions tagged [anti-exploitation]

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0
votes
1answer
211 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
32 views

Threat Model of -fstack-protector

In -fstack-protector the compiler skip instrumenting certain functions which are not deemed to be unsafe (using heurisitics such as filtering out functions not allocating stack buffers etc). What ...
2
votes
0answers
62 views

Methods of exploiting a Windows executable protected by “Control Flow Guard” and “Return Flow Guard”?

I understand that obtaining code execution by stack buffer-overflows were mitigated by DEP, which in turn lead to SEH and ROP exploit techniques etc. However, I don't see how to exploit an executable ...
82
votes
7answers
16k views

Company claims hardwire connections are a security issue

Someone to whom I am related is at a study camp for their desired profession. This person, let's call her Jane, is supposed to be studying rigorously for two months. The housing provided offers ...
4
votes
3answers
373 views

Stop Rubber Ducky HID attack

I have managed to stop most of the attack vectors using a varity of different group policies. The only one that I'm having issues with is when it uses the HID attack method. Has anybody come up with ...
2
votes
0answers
276 views

Detect kASLR/ASLR within a Linux firmware image without running it

I'm currently looking into exploit mitigation techniques and I've come across a question I can't find an answer to just now. To detect the presence of let's says PIE or Canaries within a binary there ...
0
votes
1answer
690 views

What tools one can use to detect a malicious activity on a computer, aside from antivirus programs?

Some time ago I got a virus on my computer, which is not detected by antivirus programs. Yet I can see the malicious activity in the Windows Event Log and in the TcpLogView: Considering that updates ...
5
votes
0answers
150 views

Using instruction set architecture (ISA) to stop stack overflows

I have been learning about using stack overflows to get arbitrary code execution, one of the tricks used is overwriting the return address to make control flow go the way you want it. Assuming our ...
1
vote
1answer
73 views

Reducing risk from logging

I am following the OWASP Risk methodology and have the threat "Installed software exploitation". I've created this risk based on the idea that a risk is found in say phpMyAdmin which can be exploited. ...
3
votes
1answer
664 views

How to protect open ports for Services/Programs needed for network connectivity?

I've noticed a number of Windows services required for network connectivity maintain open ports. What can be done to ensure Service functionality without allowing the always-open ports to act as a ...
3
votes
2answers
656 views

Is shadow-stack using for anti-BufferOverflows only?

I have some questions about shadow stack conception: Is shadow-stack conception used for bufferoverflows preventions only? Is stack-canary adjacent with shadow-stack? What will happen if return ...
5
votes
1answer
189 views

Is there a need to scan images with real-time scanners anymore?

Historically, there were some exploits for certain types of image files, notably JPEG images. Consequently, many real-time malware scanners (antivirus included) started scanning every JPEG image (as ...
8
votes
2answers
1k views

Did XSS reach its end-of-life with the introduction of the HTTP X-XSS-Protection header?

With the introduction of the HTTP X-XSS-Protection header it seems to me that the vulnerability impact (read: amount of possibly affected users with modern browsers) is drastically reduced. Firstly, ...
0
votes
1answer
103 views

Is virus removal a security risk comparing to reinstalling everything from a clean source? [duplicate]

Why would it be a good idea to run a tool to remove a virus? You know that your system was compromised, but you don't know whether the antivirus tool will work.
5
votes
1answer
751 views

How does reuse attack protection (RAP) work?

The grsecurity folks just released a test patch for the 4.5 Linux kernel which includes Return Address Reuse Attack Protection or RAP, a protection technique against return-oriented programming (ROP). ...
3
votes
2answers
174 views

Proof of concepts for published exploits

Do industry pros have VM's or various workstations setup to go through known exploits after they've been patched or is that less beneficial for learning than i'm imagining? I'm thinking, how can you ...
1
vote
1answer
71 views

Ad-Banner Rendering Sites Serve with malicious content - how to respond?

We've received a random email, which was of-course by the way it looks might be a marketing attempt - however, one always needs for a verification to be done. The email read the following: We have ...
3
votes
3answers
97 views

Preventing buffer overruns when performance is no concern

Anti-exploitation technologies (DEP, ASLR, stack protector, etc.) do not provide complete protection. One reason for this is performance; these technologies are designed to work with a low performance ...