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

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I have a client that is worried about DDOS attacks on their site, and they want penetration testing. Will that help?

My client wants to look into hiring a third party to perform penetration tests on the website that we're developing for them. The website is just a simple 3-month contest site where people can upload ...
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7answers
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?
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3answers
2k views

Fresh Graduate Going into Penetration Testing

As a fresh graduate I'm wondering what my chances are of joining a great pen-testing group. Is there a risk that a career in pen-testing may one day not be needed? If so, how applicable will skills ...
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4answers
4k views

What is a good browser for web application pen testing? [closed]

I am getting started in testing web applications, and I am having trouble verifying vulnerabilities. It seems all modern browsers have protections against things like XSS. When something like Burp ...
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4answers
342 views

Circumventing a “freemail” account form filter

I'll be honest - I want to download a free PDF from a website which requires me to enter my "non freeware" email address. I do have them, but I dont want to use one as I'm afraid of landing up on a ...
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3answers
1k views

Why is tunneling so important in pen testing?

I am curious why tunneling is so important in pen testing. If one has control of one machine in a network, then using that machine, one can run nmap and web apps and try to find out vulnerabilities.. ...
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2answers
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Scanning my network with NMAP

Each computer is assigned one ip address on my network, and my ISP supplies one IP for my network. If I try to scan the ip supplied by my ISP what I got is the OS running on the router, running on the ...
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3answers
4k views

What is a pen tester?

I asked two pen testers what exactly it is that they do. One of them has told me that all he ever does is try to find exploits in the software in order to gain access to internal servers and nothing ...
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TCP Sequence Prediction and it's prominence in modern systems/networks

I have a question regarding your experience of TCP Sequence Prediction that I am hoping someone could help with. I am aware of how TCP Sequence Prediction works and how the connection can be hijacked ...
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Self-teach pentesting/CEH skills ethically

I am a Software Engineer currently and have done quite a bit of systems work as well. I love the idea of Penetration Testing and would love to work towards becoming a pentester/Certified Ethical ...
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743 views

What is the most appropriate way to notify/request permission from an ISP related to white-hat security testing?

In some of the posts I've read on this site such as Is hacking legal when a friend allows you to attempt to hack their system?, and Best way to test my home network from the outside, users who ...
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How do WPA/WPA2 cracking programs know when the PMK/PTK is correct?

I'm doing some pen-testing on my home wlan with aircrack-ng and it got me wondering how programs like these(eg. aircrack-ng, cowPatty, pyrit etc) really work. Specially, when performing a ...
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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 ...
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2answers
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How to pentest Flash file on webapp with alowscriptaccess=samedomain?

In the course of a pentest I found a Flash movie file (swf) that loads another Flash movie through loadMovie. The HTML is this: <embed width="388" height="350" ...
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3answers
2k views

Disadvantages of metasploit Framework for windows

Are there any explicit disadvantages in comparison to running it on a UNIX machine these days?
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399 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, ...
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4answers
12k views

Wifi penetration testing: Why aireplay-ng de-authentication does not work?

I am trying to pentest the security of the password of my wireless network. It is a WPA2 with pre-shared-keys. My current computer is connected to the wifi router and I try to de-auth my own machine. ...
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2answers
671 views

What security measures to have before openly allowing security researchers to hack your site

As some kind of a follow-up from my previous question - which was asked from the security researcher/penetration tester point of view: (Thanks to Rory McCune for pointing this out) There seem to be a ...
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1answer
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Is there any recommended Java library for penetration testing?

Does anyone have any recommendations for a good Java library which can be used for penetration testing? I once read about a library which I think was called 'Attack lib' but I can't find it anymore. ...
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633 views

Penetration test limitations with a virtual machine

What are the limitations when performing a penetration test with a virtual machine instead of a physical one?
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3answers
9k 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 ...
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2answers
216 views

Security Researchers: How do you choose what services or software you are going to audit next?

Security Researchers: How do you choose what services or software you are going to audit next? I am referring to finding vulnerabilities and developing exploits in various applications. I am ...
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2answers
666 views

Client-side attacks with custom malware in penetration tests

I regularly perform pen-tests against web applications, operating systems, etc. Occasionally, I'm luck enough to do a 'red-teaming' exercise and get to attack at all conceivable points of a network ...
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300 views

Do ISP Detect and Block Pen Testing Tools?

I one of the earliest books I read on security - The Basics of Hacking and Penetration Testing (978-0124116443); the author emphasized that you cannot use these Penetration Test Tools over the ...
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1answer
261 views

Should veil framework produce packed and obfuscated binaries which bypass virustotal?

I have been working with the veil framework to test an internal IDS system I have in place. I have used a public malware sample which produces an 8/53 hit score on Virustotal and run it through the ...
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1answer
123 views

Automatically enumerate missing patches on penetration test

Nessus, when running a credentialed scan can check patch levels and return vulnerabilities when a package is one that hasn't been updated to the latest, non-vulnerable version. What is a good way of ...
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417 views

Windows netsh pivoting

I am pentesting a windows box to which I have gained system privileges. This box has two network interfaces. I have been able to reach machines on the second interface via the below netsh command. ...
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Using Python for security [closed]

I love using Python for the scripts I need and for work. But I really want to learn Python for network security since I will start a NS course next year. My question would be how would it be the best ...
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Nmap reporting almost every port as open

I have noticed during some assesments when doing a TCP port scan, Nmap will report almost every port as open for a machine. Using for example nmap -sS -PN -T4 target -p0-65535, over 20,000 ports will ...
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4answers
851 views

Regarding cross site scripting?

My application has a user management module which uses fields like username, first name, email-id, password,.. . I tried scanning these fields and filling in malicious JavaScript to test for cross ...
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4answers
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Finding all links under a website

How can i find all directories and links under a website? Note that there is no link from home page to all other pages. For example if i have a domain like this users.company.com and each user will ...
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3answers
10k 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 ...
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776 views

Penetration testing reported ZERO vulnerabilities. Does this mean my web app is secure?

I've spent many hours on whitebox testing to make sure my code was safe. From a theoretical standpoint, the code SHOULD be safe. I then used several widely known testing tools (including one that ...
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851 views

Open source web application penetration testing community

I do web development for a living but my real passion is security. I have worked with countless open source web application/framework and I have found vulnerabilities in most of them. The main cause ...
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459 views

What are the security considerations for setting up a basic security testing environment?

I only have 2 spare machines and both are very old, but I really want to set up an environment so that I can start practicing security. One of these machines has a Pentium 4 processor and 512 MB RAM; ...
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4answers
234 views

Password guessing: Is it more effective to try many passwords against a few accounts or a few (very common) passwords against many accounts?

I was watching a security vid on Irongeek the other day (I immediately lost track of which specific vid, unfortunately) where the creator gave some interesting advice about doing live password ...
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6answers
213 views

Is it useful to determine the name of the server software while doing a penetration test?

Getting the name of the server software through netcat or curl or any other method, is really useful? I mean, OS fingerprinting is useful in order to tailor an attack. For example with regard to OS ...
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Why is penetration testing important

In improving the security of an organization, it seems as though an audit of existing code, procedures, policies, infrastructure, etc. would be absolutely sufficient to reveal any security or policy ...
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Published data sets for IDS/IPS evaluation

I am looking for data sets published by researchers or freelancers which can be used for the purpose of IDS/IPS testing and evaluations. The data sets may be for portscans, DoS attacks, Remote to ...
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Does setting a WiFi AP to channel 14 avoid the most common detection methods used in Europe or the Americas?

The legally allowable band for WiFI in the US covers channels 1-11. Europe goes to 13, Japan to 14. I suspect that most tools use the WiFi driver of the machine and only scan for the channels it is ...
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559 views

The effect of hidden or spoofed service banners on vulnerability scanners

The linked question relates to error pages, although the same information is often available in HTTP headers, if I follow best practise of hiding service banners: Is displaying what server I am ...
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What dangerous characters need to be filtered from user input prior to use in a DB2 SQL query?

I'm looking to fully understand how to properly filter/escape dangerous characters from user input that will be interpolated into a DB2 SQL query. The sanitization routing that I'm analyzing works ...
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316 views

What security concerns should one bear in mind when hacking open-invitation websites?

There's a couple other questions already addressing legalities, ethics, and liabilities of hacking websites with open invitations. What are legal/ethical concerns to bear in mind, when hacking ...
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2answers
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Ruby resources for Penetration testing/testers and ethical hackers [closed]

I'm wondering if there is a place where I can find up-to-date information regarding ethical hacking with Ruby. I do find lot of Python information, which is OK, but I have 4 years of experience coding ...
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1answer
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Pen Testing ASP.NET application with Backtrack

We have developed an ASP.NET Based Enterprise Application which is is soon to be released. Now, we are concerned about the security aspects of the application. I've been looking into Backtrack 5 and ...
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2answers
152 views

How to manage pen testing byproducts?

Often when doing a pen test you need to hammer certain parts of the site that might be visible to other users. If, for example, you suspect that a comment section is vulnerable to XSS, you might ...
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2answers
387 views

Vulnerability testing without the use of exploits?

I was doing some testing on a server to see if it was vulnerable to a 0-day local exploit (the exploit was for gaining root privileges using a bug in the Linux kernel). There was no real information ...
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3k views

Tiger team versus red team?

What's the difference between a tiger team and a red team? Are there any other "color" teams out there (relevant to IT security)?
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374 views

How do I continue pentesting with access to local station?

I started learning hobbyist penetration testing a while ago, and as far as penetrating a computer I have physical access to, all is good. Mainly using Hiren bootCD, it is easy to gain access to an ...
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493 views

Can Penetration Testing be considered as a part of a Vulnerability Management Program?

Can Penetration Testing be considered as a part of an exhaustive Vulnerability Management program? P.S: I realise the difference between penetration testing and vulnerability assessment. But I want to ...