An attempt to penetrate a system's security in an effort to evaluate the protections in place.

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14
votes
3answers
22k views

Why does Hydra return 16 valid passwords when none are valid?

I've been playing around with Hydra and DVWA and I've hit a bit of a snag - Hydra responds letting me know that the first 16 passwords in my password list are correct when none of them are. I assume ...
24
votes
6answers
14k views

What is the difference between a penetration test and a vulnerability assessment?

What is the difference between a penetration test and a vulnerability assessment? Why would you choose one over the other? What deliverables would you expect to receive and how would you rate the ...
63
votes
16answers
50k views

What tools are available to assess the security of a web application?

What tools are available to assess the security of a web application? Please provide a small description of what the tool does. Update: More specifically, I'm looking for tools that assume no ...
41
votes
5answers
30k views

Servers for penetration testing

I am learning to use Metasploit as part of one of my college lessons. As you may know there are software builds like NOWASP (Mutillidae) or Damn Vulnerable Linux that allow you to exercise on pentest ...
32
votes
10answers
7k views

Vulnerable OS's?

Which vulnerable OS's like for example DVL would you recommend for someone to use for the purpose of pentest/exploitation learning?
111
votes
9answers
131k views

Can webcams be turned on without the indicator light?

I've made a series of penetration tests in my network and one of the things I've tried was to record webcam and microphone. Recording an end-user's microphone seems to be a stealth thing, but what ...
13
votes
6answers
2k views

Securely building a local pentest lab in a VM

I'd like to set up OWASP WebGoat or a similar vulnerable web app in a VM (probably VirtualBox on Linux). For convenience's sake, I'd like to get it running on one of the primary machines I use (say, a ...
43
votes
9answers
9k views

Books about Penetration Testing

What are the books you advise describing methods or steps required to make a successful penetration test? I have a base knowledge of common security checks, but it would be great if someone more ...
18
votes
1answer
11k views

How can I spoof a phone call and make it appear to come from another phone?

I'm performing a penetration test against a company. Part of my social engineering procedure is to contact the IT department and try to convince them to that I'm an employee in the company and get ...
43
votes
5answers
7k views

New XSS cheatsheet? [closed]

There is a great list of XSS vectors avaliable here: http://ha.ckers.org/xss.html, but It hasn't changed much lately (eg. latest FF version mentioned is 2.0). Is there any other list as good as this, ...
36
votes
5answers
7k views

How to perform a security audit for a PHP application?

I have a PHP application that I would like to have audited for security. I'm familiar with most of the general security issues, but want to make sure I didn't miss anything. What steps should I take ...
29
votes
6answers
35k views

At what point does “hacking” become illegal? (US)

Hypothetical situation: before I hire a web development company I want to test their ability to design secure web apps by viewing their previous client's websites. Issue: this situation raises a big ...
15
votes
13answers
32k views

How can I intercept and modify HTTP requests?

Are there any free tools available that let me intercept and modify HTTP requests for testing? I am looking for tools which allow me to send custom HTTP headers.
18
votes
6answers
17k views

Penetration Testing Jobs without Experience [closed]

There seems to be a late trend where firms are beginning to hire fresh graduates for security related jobs. This is counter to what I've heard from experienced security professionals (as well as the ...
4
votes
9answers
7k views

Pen Testing Practice Box?

Are there any windows based pen testing vms out there similar to Metasploitable based on ubuntu? Just starting to learn hacking and such a box would be very helpful.
12
votes
4answers
5k views

Legitimately using tools like Havij

I'm a developer, not a security guru. My primary focus is ensuring that I'm not introducing security holes through bad programming. I understand how to code to protect against the OWASP Top 10, as ...
15
votes
2answers
2k views

What are legal/ethical concerns to bear in mind, when hacking websites with open invitations?

I was reading another question which mentions a site that had a page inviting people to try to hack it, and it made me wonder. Lets assume, for the sake of this rather hypothetical question, that a ...
15
votes
5answers
4k views

Automated tools vs. Manual reviews

What are the advantages of using automated tools, as opposed to manual review? What are the disadvantages? This applies both to external blackbox vulnerability scanning, and to static code analysis. ...
10
votes
4answers
10k views

How does this test prove my application is vulnerable to clickjacking attacks?

I want to know more about clickjacking. I have been reading an article about clickjacking, where the HTML code to test for clickjacking vulnerability was provided. I tried the same as described in ...
10
votes
6answers
4k views

Security review: “HTTP header user-agent has been set to (something)”

We got a security review done of our PHP code and they team advised this in their report (amongst other things): /appdir/ Details The HTTP header user-agent has been set to \" . Request GET /...
2
votes
2answers
190 views

XSS in JavaScript

I was recently figuring out thing in a web application and found that the URL is reflected among the source of the page, which make it bit obvious for XSS, but the input from URL which is reflected on ...
6
votes
5answers
3k views

What are good resources to do hands-on practice on network penetration testing?

Can anyone provide a good list of resources to learn network penetration testing? I am specifically looking for those having hands on exercises (kind of virtual labs/ISOs) which are free. I know web-...
11
votes
3answers
4k views

iOS/Android Pen-Test

This question might be vague, that is because I am not sure where to start. There are a lot of books and courses on pentest focusing on networks, systems, and OS such as windows, yet I haven't been ...
10
votes
2answers
4k views

How can I find websites owned by a particular company?

I wanted to know how can I get info on what sites are owned by a certain company. I need it for bug bounty programs. For example, how can I find what sites are owned by PayPal, like what sites have ...
7
votes
3answers
11k views

Replacement for DVL (Damn Vulnerable Linux)?

I've recently spotted that DVL (Damn Vulnerable Linux) has gone inactive. My first question is what happened to cause them to stop releasing it? Secondly, I have found some references to other ...
57
votes
4answers
7k views

I think I accidentally DoS'd a website. What should I do?

I was browsing a website, and stumbled across a sample scheme for password-protecting web pages. The owner of the website specifically had a page that invited people to attempt to hack it. I wanted ...
17
votes
3answers
5k views

White-box vs. Black-box

What are the relative advantages and disadvantages of each form of testing? I.e. What is the difference between static code analysis and runtime/dynamic penetration testing? What are the pros and cons ...
7
votes
3answers
10k views

Android/iOS application security testing checklist

According to OWASP, we have a list of top ten mobile application vulnerabilities. But we are damn sure that the number of vulnerabilities on mobile apps, especially android apps are far more than ...
11
votes
2answers
2k views

Custom Metasploit payload with UAC bypass

The machine I am attacking has anti-virus installed. I have managed to use Veil Framework in order to create an initial reverse shell payload that is undetected by the AV. However, UAC is enabled on ...
7
votes
6answers
4k views

Designing a Capture The Flag target and game management system

I've attended several CTF contests and I'd like to implement a CTF system for my students. I asked Google about designing such system but it's fruitless. Any ideas?
23
votes
1answer
9k views

Mac OS X from an IT Security Practitioners' Perspective? [closed]

What does the Mac OS X offer that it has been recently attracting users with IT security focus? There are sites that specifically focus on "hacking" with OSX, such as machacking.net. Defcon has an ...
5
votes
3answers
12k views

How do you detect load balancing?

Scenario You need to PenTest XYZ.com. You expect, because it is a high traffic site, that multiple servers are being used with a load balancer. Question Aside from pulling the MACs (which are ...
21
votes
2answers
3k views

Is it possible to write shellcode in C++?

Usually I write assembly programs and then dump their contents to get the shellcode. What I was wondering is whether I could write a C++ program instead of assembly, then dump and use that instead of ...
10
votes
4answers
4k views

What features should I look for in a Wifi card used for wifi snooping / penetration testing?

I'm looking to purchase a wifi card to help me learn about wifi network penetration testing and other associated issues but I was wondering if there were any features of a wifi card I should look out ...
6
votes
2answers
409 views

What fraction of vulnerabilities does black-box pentesting find?

Black-box penetration testing is one to check a web application for vulnerabilities. It can find some vulnerabilities, but not all. What fraction of vulnerabilities does black-box pentesting find, ...
5
votes
1answer
3k views

Why does Directory traversal attack %C0%AF work?

Introduction: I am trying to learn the basics of Directory Traversal. Question: While trying to understand the 2-Byte Unicode conversion of characters, I came across this_SANS ARTICLE that explains ...
4
votes
1answer
930 views

iOS application pentest without jailbreak

Is it possible to run a security assessment on an iOS application using a non-jailbroken device? My device was recently restored (recovered - no SHSH blobs) to iOS 8.4.1 (as Apple doesn't like ...
3
votes
1answer
497 views

Non English password dictionaries [closed]

What is a good resource for wordlists used in auditing passwords in non english languages. I have extensive wordlists in English ranging to several GB's, but can't find similar resources for other ...
2
votes
2answers
10k views

Sqlmap testing HTTP headers

I was wondering whether sqlmap is able to test HTTP headers for SQL vulnerabilities. I know that if I use --level>=3 then it will automatically check for User-Agent and Referrer HTTP headers, but I ...
18
votes
0answers
616 views

Where can I find a vulnerable operating system to practice pentests on? [duplicate]

I am looking for vulnerable operating systems that are used for practicing pentests. Damn Vulnerable Linux (DVL) is not maintained anymore. Are there any other simillar OS´s to download somewhere that ...
4
votes
1answer
841 views

Do blackbox penetration tests make sense if a whitebox audit would be possible as well?

Lets assume I am responsible for an application in my company and I decide to hire security experts to perform a security audit. Lets assume further that my company owns the source code of the ...
3
votes
1answer
64 views

using netcat as a handler for windows/meterpreter/reverse_tcp payload

How we can use netcat as a handler for windows/meterpreter/reverse_tcp payload. I am getting the connection but unable to run any command.
0
votes
1answer
433 views

Looking for [intentionally made] vulnerable applications suitable for practicing different penetration techniques (NOT a web apps, user side ones)

I'm looking for different kinds of applications which is intentionnaly (or not) made vulnerable and so are suitable for practicing different penetration techniques, like SQL injections, buffer ...
-1
votes
2answers
113 views

What kind of information does a penetration tester require? [closed]

We are planning for a penetration testing for our network and application. What should be shared with the penetration tester? For example, should we share the topology of our network? Should we ...
99
votes
7answers
32k views

How does hacking work?

I am specifically talking about web servers, running Unix. I have always been curious of how hackers get the entry point. I mean I don't see how a hacker can hack into the webpage when the only entry ...
111
votes
8answers
6k views

Is it acceptable that a skilled professional pentester deletes or modifies sensitive data in production unintentionally during a pentest?

Today I experienced a situation where a person responsible for the security of a company required a pentesting company to withdraw a clause in the contract that says that: "during the pentest there ...
35
votes
5answers
4k views

Open-source penetration-test automation

What order do typical open-source penetration tests operate? Which tools are run first, second, third -- and how do you control them? Does one simply use Metasploit RC files? A network vulnerability ...
29
votes
8answers
34k views

What defines a programming language as useful for hacking?

I know that scripting languages (Perl, Ruby, Python, javascript, and even Lua!!!) are most suitable for hacking and penetration testing. My question is: What is it that makes those languages suitable?...
27
votes
5answers
2k views

How to improve as a security expert

I'm a professional software developer with a high interest in web application security. I'd say that I probably have a better understanding of the security of web applications than the average ...
19
votes
7answers
18k views

Comparing online security courses: eLearnSecurity vs. Offensive-Security [closed]

I'm a web programmer, using the Linux environment for 2 years.(I have experience with Web app hacks +Web app security techniques) I want to start studying security in-depth, but I have limited time ...